Re: Linux 4.4.7

From: Greg KH
Date: Tue Apr 12 2016 - 17:02:07 EST

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diff --git a/MAINTAINERS b/MAINTAINERS
index d826f1b9eb02..4c3e1d2ac31b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -230,13 +230,13 @@ F: kernel/sys_ni.c

ABIT UGURU 1,2 HARDWARE MONITOR DRIVER
M: Hans de Goede <hdegoede@xxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/abituguru.c

ABIT UGURU 3 HARDWARE MONITOR DRIVER
M: Alistair John Strachan <alistair@xxxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/abituguru3.c

@@ -373,14 +373,14 @@ S: Maintained

ADM1025 HARDWARE MONITOR DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/adm1025
F: drivers/hwmon/adm1025.c

ADM1029 HARDWARE MONITOR DRIVER
M: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/adm1029.c

@@ -425,7 +425,7 @@ F: drivers/video/backlight/adp8860_bl.c

ADS1015 HARDWARE MONITOR DRIVER
M: Dirk Eibach <eibach@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/ads1015
F: drivers/hwmon/ads1015.c
@@ -438,7 +438,7 @@ F: drivers/macintosh/therm_adt746x.c

ADT7475 HARDWARE MONITOR DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/adt7475
F: drivers/hwmon/adt7475.c
@@ -615,7 +615,7 @@ F: include/linux/ccp.h

AMD FAM15H PROCESSOR POWER MONITORING DRIVER
M: Andreas Herrmann <herrmann.der.user@xxxxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/fam15h_power
F: drivers/hwmon/fam15h_power.c
@@ -779,7 +779,7 @@ F: drivers/input/mouse/bcm5974.c

APPLE SMC DRIVER
M: Henrik Rydberg <rydberg@xxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Odd fixes
F: drivers/hwmon/applesmc.c

@@ -1777,7 +1777,7 @@ F: include/media/as3645a.h

ASC7621 HARDWARE MONITOR DRIVER
M: George Joseph <george.joseph@xxxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/asc7621
F: drivers/hwmon/asc7621.c
@@ -1864,7 +1864,7 @@ F: drivers/net/wireless/ath/carl9170/

ATK0110 HWMON DRIVER
M: Luca Tettamanti <kronos.it@xxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/asus_atk0110.c

@@ -2984,7 +2984,7 @@ F: mm/swap_cgroup.c

CORETEMP HARDWARE MONITORING DRIVER
M: Fenghua Yu <fenghua.yu@xxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/coretemp
F: drivers/hwmon/coretemp.c
@@ -3549,7 +3549,7 @@ T: git git://git.infradead.org/users/vkoul/slave-dma.git

DME1737 HARDWARE MONITOR DRIVER
M: Juerg Haefliger <juergh@xxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/dme1737
F: drivers/hwmon/dme1737.c
@@ -4262,7 +4262,7 @@ F: include/video/exynos_mipi*

F71805F HARDWARE MONITORING DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/f71805f
F: drivers/hwmon/f71805f.c
@@ -4341,7 +4341,7 @@ F: fs/*

FINTEK F75375S HARDWARE MONITOR AND FAN CONTROLLER DRIVER
M: Riku Voipio <riku.voipio@xxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/f75375s.c
F: include/linux/f75375s.h
@@ -4883,8 +4883,8 @@ F: drivers/media/usb/hackrf/
HARDWARE MONITORING
M: Jean Delvare <jdelvare@xxxxxxxx>
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
-W: http://www.lm-sensors.org/
+L: linux-hwmon@xxxxxxxxxxxxxxx
+W: http://hwmon.wiki.kernel.org/
T: quilt http://jdelvare.nerim.net/devel/linux/jdelvare-hwmon/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git
S: Maintained
@@ -5393,7 +5393,7 @@ F: drivers/usb/atm/ueagle-atm.c

INA209 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/ina209
F: Documentation/devicetree/bindings/i2c/ina209.txt
@@ -5401,7 +5401,7 @@ F: drivers/hwmon/ina209.c

INA2XX HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/ina2xx
F: drivers/hwmon/ina2xx.c
@@ -5884,7 +5884,7 @@ F: drivers/isdn/hardware/eicon/

IT87 HARDWARE MONITORING DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/it87
F: drivers/hwmon/it87.c
@@ -5920,7 +5920,7 @@ F: drivers/media/dvb-frontends/ix2505v*

JC42.4 TEMPERATURE SENSOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/jc42.c
F: Documentation/hwmon/jc42
@@ -5970,14 +5970,14 @@ F: drivers/tty/serial/jsm/

K10TEMP HARDWARE MONITORING DRIVER
M: Clemens Ladisch <clemens@xxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/k10temp
F: drivers/hwmon/k10temp.c

K8TEMP HARDWARE MONITORING DRIVER
M: Rudolf Marek <r.marek@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/k8temp
F: drivers/hwmon/k8temp.c
@@ -6485,27 +6485,27 @@ F: net/llc/

LM73 HARDWARE MONITOR DRIVER
M: Guillaume Ligneul <guillaume.ligneul@xxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/lm73.c

LM78 HARDWARE MONITOR DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/lm78
F: drivers/hwmon/lm78.c

LM83 HARDWARE MONITOR DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/lm83
F: drivers/hwmon/lm83.c

LM90 HARDWARE MONITOR DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/lm90
F: Documentation/devicetree/bindings/hwmon/lm90.txt
@@ -6513,7 +6513,7 @@ F: drivers/hwmon/lm90.c

LM95234 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/lm95234
F: drivers/hwmon/lm95234.c
@@ -6580,7 +6580,7 @@ F: drivers/scsi/sym53c8xx_2/

LTC4261 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/ltc4261
F: drivers/hwmon/ltc4261.c
@@ -6749,28 +6749,28 @@ F: include/uapi/linux/matroxfb.h

MAX16065 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/max16065
F: drivers/hwmon/max16065.c

MAX20751 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/max20751
F: drivers/hwmon/max20751.c

MAX6650 HARDWARE MONITOR AND FAN CONTROLLER DRIVER
M: "Hans J. Koch" <hjk@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/max6650
F: drivers/hwmon/max6650.c

MAX6697 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/max6697
F: Documentation/devicetree/bindings/i2c/max6697.txt
@@ -7303,7 +7303,7 @@ F: drivers/scsi/NCR_D700.*

NCT6775 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/nct6775
F: drivers/hwmon/nct6775.c
@@ -8064,7 +8064,7 @@ F: drivers/video/logo/logo_parisc*

PC87360 HARDWARE MONITORING DRIVER
M: Jim Cromie <jim.cromie@xxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/pc87360
F: drivers/hwmon/pc87360.c
@@ -8076,7 +8076,7 @@ F: drivers/char/pc8736x_gpio.c

PC87427 HARDWARE MONITORING DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/pc87427
F: drivers/hwmon/pc87427.c
@@ -8415,8 +8415,8 @@ F: drivers/rtc/rtc-puv3.c

PMBUS HARDWARE MONITORING DRIVERS
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
-W: http://www.lm-sensors.org/
+L: linux-hwmon@xxxxxxxxxxxxxxx
+W: http://hwmon.wiki.kernel.org/
W: http://www.roeck-us.net/linux/drivers/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git
S: Maintained
@@ -8610,7 +8610,7 @@ F: drivers/media/usb/pwc/*

PWM FAN DRIVER
M: Kamil Debski <k.debski@xxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Supported
F: Documentation/devicetree/bindings/hwmon/pwm-fan.txt
F: Documentation/hwmon/pwm-fan
@@ -9882,28 +9882,28 @@ F: Documentation/devicetree/bindings/media/i2c/nokia,smia.txt

SMM665 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/smm665
F: drivers/hwmon/smm665.c

SMSC EMC2103 HARDWARE MONITOR DRIVER
M: Steve Glendinning <steve.glendinning@xxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/emc2103
F: drivers/hwmon/emc2103.c

SMSC SCH5627 HARDWARE MONITOR DRIVER
M: Hans de Goede <hdegoede@xxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Supported
F: Documentation/hwmon/sch5627
F: drivers/hwmon/sch5627.c

SMSC47B397 HARDWARE MONITOR DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/smsc47b397
F: drivers/hwmon/smsc47b397.c
@@ -10830,7 +10830,7 @@ F: include/linux/mmc/sh_mobile_sdhi.h

TMP401 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/tmp401
F: drivers/hwmon/tmp401.c
@@ -11564,14 +11564,14 @@ F: Documentation/networking/vrf.txt

VT1211 HARDWARE MONITOR DRIVER
M: Juerg Haefliger <juergh@xxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/vt1211
F: drivers/hwmon/vt1211.c

VT8231 HARDWARE MONITOR DRIVER
M: Roger Lucas <vt8231@xxxxxxxxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/vt8231.c

@@ -11590,21 +11590,21 @@ F: drivers/w1/

W83791D HARDWARE MONITORING DRIVER
M: Marc Hulsman <m.hulsman@xxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/w83791d
F: drivers/hwmon/w83791d.c

W83793 HARDWARE MONITORING DRIVER
M: Rudolf Marek <r.marek@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/w83793
F: drivers/hwmon/w83793.c

W83795 HARDWARE MONITORING DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/w83795.c

diff --git a/Makefile b/Makefile
index 87d12b44ab66..5a493e785aca 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 6
+SUBLEVEL = 7
EXTRAVERSION =
NAME = Blurry Fish Butt

diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h
index 57c1f33844d4..0352fb8d21b9 100644
--- a/arch/arc/include/asm/bitops.h
+++ b/arch/arc/include/asm/bitops.h
@@ -35,21 +35,6 @@ static inline void op##_bit(unsigned long nr, volatile unsigned long *m)\
\
m += nr >> 5; \
\
- /* \
- * ARC ISA micro-optimization: \
- * \
- * Instructions dealing with bitpos only consider lower 5 bits \
- * e.g (x << 33) is handled like (x << 1) by ASL instruction \
- * (mem pointer still needs adjustment to point to next word) \
- * \
- * Hence the masking to clamp @nr arg can be elided in general. \
- * \
- * However if @nr is a constant (above assumed in a register), \
- * and greater than 31, gcc can optimize away (x << 33) to 0, \
- * as overflow, given the 32-bit ISA. Thus masking needs to be \
- * done for const @nr, but no code is generated due to gcc \
- * const prop. \
- */ \
nr &= 0x1f; \
\
__asm__ __volatile__( \
diff --git a/arch/arc/include/asm/io.h b/arch/arc/include/asm/io.h
index 694ece8a0243..27b17adea50d 100644
--- a/arch/arc/include/asm/io.h
+++ b/arch/arc/include/asm/io.h
@@ -129,15 +129,23 @@ static inline void __raw_writel(u32 w, volatile void __iomem *addr)
#define writel(v,c) ({ __iowmb(); writel_relaxed(v,c); })

/*
- * Relaxed API for drivers which can handle any ordering themselves
+ * Relaxed API for drivers which can handle barrier ordering themselves
+ *
+ * Also these are defined to perform little endian accesses.
+ * To provide the typical device register semantics of fixed endian,
+ * swap the byte order for Big Endian
+ *
+ * http://lkml.kernel.org/r/201603100845.30602.arnd@xxxxxxxx
*/
#define readb_relaxed(c) __raw_readb(c)
-#define readw_relaxed(c) __raw_readw(c)
-#define readl_relaxed(c) __raw_readl(c)
+#define readw_relaxed(c) ({ u16 __r = le16_to_cpu((__force __le16) \
+ __raw_readw(c)); __r; })
+#define readl_relaxed(c) ({ u32 __r = le32_to_cpu((__force __le32) \
+ __raw_readl(c)); __r; })

#define writeb_relaxed(v,c) __raw_writeb(v,c)
-#define writew_relaxed(v,c) __raw_writew(v,c)
-#define writel_relaxed(v,c) __raw_writel(v,c)
+#define writew_relaxed(v,c) __raw_writew((__force u16) cpu_to_le16(v),c)
+#define writel_relaxed(v,c) __raw_writel((__force u32) cpu_to_le32(v),c)

#include <asm-generic/io.h>

diff --git a/arch/arm/boot/dts/at91-sama5d3_xplained.dts b/arch/arm/boot/dts/at91-sama5d3_xplained.dts
index ff888d21c786..f3e2b96c06a3 100644
--- a/arch/arm/boot/dts/at91-sama5d3_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d3_xplained.dts
@@ -303,6 +303,7 @@
regulator-name = "mmc0-card-supply";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
+ regulator-always-on;
};

gpio_keys {
diff --git a/arch/arm/boot/dts/at91-sama5d4_xplained.dts b/arch/arm/boot/dts/at91-sama5d4_xplained.dts
index 569026e8f96c..da84e65b56ef 100644
--- a/arch/arm/boot/dts/at91-sama5d4_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d4_xplained.dts
@@ -268,5 +268,6 @@
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&vcc_3v3_reg>;
+ regulator-always-on;
};
};
diff --git a/arch/arm/mach-s3c64xx/dev-audio.c b/arch/arm/mach-s3c64xx/dev-audio.c
index ff780a8d8366..9a42736ef4ac 100644
--- a/arch/arm/mach-s3c64xx/dev-audio.c
+++ b/arch/arm/mach-s3c64xx/dev-audio.c
@@ -54,12 +54,12 @@ static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)

static struct resource s3c64xx_iis0_resource[] = {
[0] = DEFINE_RES_MEM(S3C64XX_PA_IIS0, SZ_256),
- [1] = DEFINE_RES_DMA(DMACH_I2S0_OUT),
- [2] = DEFINE_RES_DMA(DMACH_I2S0_IN),
};

-static struct s3c_audio_pdata i2sv3_pdata = {
+static struct s3c_audio_pdata i2s0_pdata = {
.cfg_gpio = s3c64xx_i2s_cfg_gpio,
+ .dma_playback = DMACH_I2S0_OUT,
+ .dma_capture = DMACH_I2S0_IN,
};

struct platform_device s3c64xx_device_iis0 = {
@@ -68,15 +68,19 @@ struct platform_device s3c64xx_device_iis0 = {
.num_resources = ARRAY_SIZE(s3c64xx_iis0_resource),
.resource = s3c64xx_iis0_resource,
.dev = {
- .platform_data = &i2sv3_pdata,
+ .platform_data = &i2s0_pdata,
},
};
EXPORT_SYMBOL(s3c64xx_device_iis0);

static struct resource s3c64xx_iis1_resource[] = {
[0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256),
- [1] = DEFINE_RES_DMA(DMACH_I2S1_OUT),
- [2] = DEFINE_RES_DMA(DMACH_I2S1_IN),
+};
+
+static struct s3c_audio_pdata i2s1_pdata = {
+ .cfg_gpio = s3c64xx_i2s_cfg_gpio,
+ .dma_playback = DMACH_I2S1_OUT,
+ .dma_capture = DMACH_I2S1_IN,
};

struct platform_device s3c64xx_device_iis1 = {
@@ -85,19 +89,19 @@ struct platform_device s3c64xx_device_iis1 = {
.num_resources = ARRAY_SIZE(s3c64xx_iis1_resource),
.resource = s3c64xx_iis1_resource,
.dev = {
- .platform_data = &i2sv3_pdata,
+ .platform_data = &i2s1_pdata,
},
};
EXPORT_SYMBOL(s3c64xx_device_iis1);

static struct resource s3c64xx_iisv4_resource[] = {
[0] = DEFINE_RES_MEM(S3C64XX_PA_IISV4, SZ_256),
- [1] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_TX),
- [2] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_RX),
};

static struct s3c_audio_pdata i2sv4_pdata = {
.cfg_gpio = s3c64xx_i2s_cfg_gpio,
+ .dma_playback = DMACH_HSI_I2SV40_TX,
+ .dma_capture = DMACH_HSI_I2SV40_RX,
.type = {
.i2s = {
.quirks = QUIRK_PRI_6CHAN,
@@ -142,12 +146,12 @@ static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)

static struct resource s3c64xx_pcm0_resource[] = {
[0] = DEFINE_RES_MEM(S3C64XX_PA_PCM0, SZ_256),
- [1] = DEFINE_RES_DMA(DMACH_PCM0_TX),
- [2] = DEFINE_RES_DMA(DMACH_PCM0_RX),
};

static struct s3c_audio_pdata s3c_pcm0_pdata = {
.cfg_gpio = s3c64xx_pcm_cfg_gpio,
+ .dma_capture = DMACH_PCM0_RX,
+ .dma_playback = DMACH_PCM0_TX,
};

struct platform_device s3c64xx_device_pcm0 = {
@@ -163,12 +167,12 @@ EXPORT_SYMBOL(s3c64xx_device_pcm0);

static struct resource s3c64xx_pcm1_resource[] = {
[0] = DEFINE_RES_MEM(S3C64XX_PA_PCM1, SZ_256),
- [1] = DEFINE_RES_DMA(DMACH_PCM1_TX),
- [2] = DEFINE_RES_DMA(DMACH_PCM1_RX),
};

static struct s3c_audio_pdata s3c_pcm1_pdata = {
.cfg_gpio = s3c64xx_pcm_cfg_gpio,
+ .dma_playback = DMACH_PCM1_TX,
+ .dma_capture = DMACH_PCM1_RX,
};

struct platform_device s3c64xx_device_pcm1 = {
@@ -196,13 +200,14 @@ static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)

static struct resource s3c64xx_ac97_resource[] = {
[0] = DEFINE_RES_MEM(S3C64XX_PA_AC97, SZ_256),
- [1] = DEFINE_RES_DMA(DMACH_AC97_PCMOUT),
- [2] = DEFINE_RES_DMA(DMACH_AC97_PCMIN),
- [3] = DEFINE_RES_DMA(DMACH_AC97_MICIN),
- [4] = DEFINE_RES_IRQ(IRQ_AC97),
+ [1] = DEFINE_RES_IRQ(IRQ_AC97),
};

-static struct s3c_audio_pdata s3c_ac97_pdata;
+static struct s3c_audio_pdata s3c_ac97_pdata = {
+ .dma_playback = DMACH_AC97_PCMOUT,
+ .dma_capture = DMACH_AC97_PCMIN,
+ .dma_capture_mic = DMACH_AC97_MICIN,
+};

static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);

diff --git a/arch/arm/mach-s3c64xx/include/mach/dma.h b/arch/arm/mach-s3c64xx/include/mach/dma.h
index 096e14073bd9..9c739eafe95c 100644
--- a/arch/arm/mach-s3c64xx/include/mach/dma.h
+++ b/arch/arm/mach-s3c64xx/include/mach/dma.h
@@ -14,38 +14,38 @@
#define S3C64XX_DMA_CHAN(name) ((unsigned long)(name))

/* DMA0/SDMA0 */
-#define DMACH_UART0 S3C64XX_DMA_CHAN("uart0_tx")
-#define DMACH_UART0_SRC2 S3C64XX_DMA_CHAN("uart0_rx")
-#define DMACH_UART1 S3C64XX_DMA_CHAN("uart1_tx")
-#define DMACH_UART1_SRC2 S3C64XX_DMA_CHAN("uart1_rx")
-#define DMACH_UART2 S3C64XX_DMA_CHAN("uart2_tx")
-#define DMACH_UART2_SRC2 S3C64XX_DMA_CHAN("uart2_rx")
-#define DMACH_UART3 S3C64XX_DMA_CHAN("uart3_tx")
-#define DMACH_UART3_SRC2 S3C64XX_DMA_CHAN("uart3_rx")
-#define DMACH_PCM0_TX S3C64XX_DMA_CHAN("pcm0_tx")
-#define DMACH_PCM0_RX S3C64XX_DMA_CHAN("pcm0_rx")
-#define DMACH_I2S0_OUT S3C64XX_DMA_CHAN("i2s0_tx")
-#define DMACH_I2S0_IN S3C64XX_DMA_CHAN("i2s0_rx")
+#define DMACH_UART0 "uart0_tx"
+#define DMACH_UART0_SRC2 "uart0_rx"
+#define DMACH_UART1 "uart1_tx"
+#define DMACH_UART1_SRC2 "uart1_rx"
+#define DMACH_UART2 "uart2_tx"
+#define DMACH_UART2_SRC2 "uart2_rx"
+#define DMACH_UART3 "uart3_tx"
+#define DMACH_UART3_SRC2 "uart3_rx"
+#define DMACH_PCM0_TX "pcm0_tx"
+#define DMACH_PCM0_RX "pcm0_rx"
+#define DMACH_I2S0_OUT "i2s0_tx"
+#define DMACH_I2S0_IN "i2s0_rx"
#define DMACH_SPI0_TX S3C64XX_DMA_CHAN("spi0_tx")
#define DMACH_SPI0_RX S3C64XX_DMA_CHAN("spi0_rx")
-#define DMACH_HSI_I2SV40_TX S3C64XX_DMA_CHAN("i2s2_tx")
-#define DMACH_HSI_I2SV40_RX S3C64XX_DMA_CHAN("i2s2_rx")
+#define DMACH_HSI_I2SV40_TX "i2s2_tx"
+#define DMACH_HSI_I2SV40_RX "i2s2_rx"

/* DMA1/SDMA1 */
-#define DMACH_PCM1_TX S3C64XX_DMA_CHAN("pcm1_tx")
-#define DMACH_PCM1_RX S3C64XX_DMA_CHAN("pcm1_rx")
-#define DMACH_I2S1_OUT S3C64XX_DMA_CHAN("i2s1_tx")
-#define DMACH_I2S1_IN S3C64XX_DMA_CHAN("i2s1_rx")
+#define DMACH_PCM1_TX "pcm1_tx"
+#define DMACH_PCM1_RX "pcm1_rx"
+#define DMACH_I2S1_OUT "i2s1_tx"
+#define DMACH_I2S1_IN "i2s1_rx"
#define DMACH_SPI1_TX S3C64XX_DMA_CHAN("spi1_tx")
#define DMACH_SPI1_RX S3C64XX_DMA_CHAN("spi1_rx")
-#define DMACH_AC97_PCMOUT S3C64XX_DMA_CHAN("ac97_out")
-#define DMACH_AC97_PCMIN S3C64XX_DMA_CHAN("ac97_in")
-#define DMACH_AC97_MICIN S3C64XX_DMA_CHAN("ac97_mic")
-#define DMACH_PWM S3C64XX_DMA_CHAN("pwm")
-#define DMACH_IRDA S3C64XX_DMA_CHAN("irda")
-#define DMACH_EXTERNAL S3C64XX_DMA_CHAN("external")
-#define DMACH_SECURITY_RX S3C64XX_DMA_CHAN("sec_rx")
-#define DMACH_SECURITY_TX S3C64XX_DMA_CHAN("sec_tx")
+#define DMACH_AC97_PCMOUT "ac97_out"
+#define DMACH_AC97_PCMIN "ac97_in"
+#define DMACH_AC97_MICIN "ac97_mic"
+#define DMACH_PWM "pwm"
+#define DMACH_IRDA "irda"
+#define DMACH_EXTERNAL "external"
+#define DMACH_SECURITY_RX "sec_rx"
+#define DMACH_SECURITY_TX "sec_tx"

enum dma_ch {
DMACH_MAX = 32
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 82074625de5c..e212f9d804bd 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -65,6 +65,7 @@
#include <linux/platform_data/usb-ohci-s3c2410.h>
#include <plat/usb-phy.h>
#include <plat/regs-spi.h>
+#include <linux/platform_data/asoc-s3c.h>
#include <linux/platform_data/spi-s3c64xx.h>

static u64 samsung_device_dma_mask = DMA_BIT_MASK(32);
@@ -74,9 +75,12 @@ static u64 samsung_device_dma_mask = DMA_BIT_MASK(32);
static struct resource s3c_ac97_resource[] = {
[0] = DEFINE_RES_MEM(S3C2440_PA_AC97, S3C2440_SZ_AC97),
[1] = DEFINE_RES_IRQ(IRQ_S3C244X_AC97),
- [2] = DEFINE_RES_DMA_NAMED(DMACH_PCM_OUT, "PCM out"),
- [3] = DEFINE_RES_DMA_NAMED(DMACH_PCM_IN, "PCM in"),
- [4] = DEFINE_RES_DMA_NAMED(DMACH_MIC_IN, "Mic in"),
+};
+
+static struct s3c_audio_pdata s3c_ac97_pdata = {
+ .dma_playback = (void *)DMACH_PCM_OUT,
+ .dma_capture = (void *)DMACH_PCM_IN,
+ .dma_capture_mic = (void *)DMACH_MIC_IN,
};

struct platform_device s3c_device_ac97 = {
@@ -87,6 +91,7 @@ struct platform_device s3c_device_ac97 = {
.dev = {
.dma_mask = &samsung_device_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &s3c_ac97_pdata,
}
};
#endif /* CONFIG_CPU_S3C2440 */
diff --git a/arch/ia64/include/asm/io.h b/arch/ia64/include/asm/io.h
index 9041bbe2b7b4..8fdb9c7eeb66 100644
--- a/arch/ia64/include/asm/io.h
+++ b/arch/ia64/include/asm/io.h
@@ -436,6 +436,7 @@ static inline void __iomem * ioremap_cache (unsigned long phys_addr, unsigned lo
return ioremap(phys_addr, size);
}
#define ioremap_cache ioremap_cache
+#define ioremap_uc ioremap_nocache

/*
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index c873e682b67f..2b2ced9dc00a 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -45,7 +45,7 @@ struct zpci_fmb {
u64 rpcit_ops;
u64 dma_rbytes;
u64 dma_wbytes;
-} __packed __aligned(16);
+} __packed __aligned(64);

enum zpci_state {
ZPCI_FN_STATE_RESERVED,
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 857b6526d298..424e6809ad07 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -1197,114 +1197,12 @@ cleanup_critical:
.quad .Lpsw_idle_lpsw

.Lcleanup_save_fpu_regs:
- TSTMSK __LC_CPU_FLAGS,_CIF_FPU
- bor %r14
- clg %r9,BASED(.Lcleanup_save_fpu_regs_done)
- jhe 5f
- clg %r9,BASED(.Lcleanup_save_fpu_regs_fp)
- jhe 4f
- clg %r9,BASED(.Lcleanup_save_fpu_regs_vx_high)
- jhe 3f
- clg %r9,BASED(.Lcleanup_save_fpu_regs_vx_low)
- jhe 2f
- clg %r9,BASED(.Lcleanup_save_fpu_fpc_end)
- jhe 1f
- lg %r2,__LC_CURRENT
- aghi %r2,__TASK_thread
-0: # Store floating-point controls
- stfpc __THREAD_FPU_fpc(%r2)
-1: # Load register save area and check if VX is active
- lg %r3,__THREAD_FPU_regs(%r2)
- TSTMSK __LC_MACHINE_FLAGS,MACHINE_FLAG_VX
- jz 4f # no VX -> store FP regs
-2: # Store vector registers (V0-V15)
- VSTM %v0,%v15,0,%r3 # vstm 0,15,0(3)
-3: # Store vector registers (V16-V31)
- VSTM %v16,%v31,256,%r3 # vstm 16,31,256(3)
- j 5f # -> done, set CIF_FPU flag
-4: # Store floating-point registers
- std 0,0(%r3)
- std 1,8(%r3)
- std 2,16(%r3)
- std 3,24(%r3)
- std 4,32(%r3)
- std 5,40(%r3)
- std 6,48(%r3)
- std 7,56(%r3)
- std 8,64(%r3)
- std 9,72(%r3)
- std 10,80(%r3)
- std 11,88(%r3)
- std 12,96(%r3)
- std 13,104(%r3)
- std 14,112(%r3)
- std 15,120(%r3)
-5: # Set CIF_FPU flag
- oi __LC_CPU_FLAGS+7,_CIF_FPU
- lg %r9,48(%r11) # return from save_fpu_regs
+ larl %r9,save_fpu_regs
br %r14
-.Lcleanup_save_fpu_fpc_end:
- .quad .Lsave_fpu_regs_fpc_end
-.Lcleanup_save_fpu_regs_vx_low:
- .quad .Lsave_fpu_regs_vx_low
-.Lcleanup_save_fpu_regs_vx_high:
- .quad .Lsave_fpu_regs_vx_high
-.Lcleanup_save_fpu_regs_fp:
- .quad .Lsave_fpu_regs_fp
-.Lcleanup_save_fpu_regs_done:
- .quad .Lsave_fpu_regs_done

.Lcleanup_load_fpu_regs:
- TSTMSK __LC_CPU_FLAGS,_CIF_FPU
- bnor %r14
- clg %r9,BASED(.Lcleanup_load_fpu_regs_done)
- jhe 1f
- clg %r9,BASED(.Lcleanup_load_fpu_regs_fp)
- jhe 2f
- clg %r9,BASED(.Lcleanup_load_fpu_regs_vx_high)
- jhe 3f
- clg %r9,BASED(.Lcleanup_load_fpu_regs_vx)
- jhe 4f
- lg %r4,__LC_CURRENT
- aghi %r4,__TASK_thread
- lfpc __THREAD_FPU_fpc(%r4)
- TSTMSK __LC_MACHINE_FLAGS,MACHINE_FLAG_VX
- lg %r4,__THREAD_FPU_regs(%r4) # %r4 <- reg save area
- jz 2f # -> no VX, load FP regs
-4: # Load V0 ..V15 registers
- VLM %v0,%v15,0,%r4
-3: # Load V16..V31 registers
- VLM %v16,%v31,256,%r4
- j 1f
-2: # Load floating-point registers
- ld 0,0(%r4)
- ld 1,8(%r4)
- ld 2,16(%r4)
- ld 3,24(%r4)
- ld 4,32(%r4)
- ld 5,40(%r4)
- ld 6,48(%r4)
- ld 7,56(%r4)
- ld 8,64(%r4)
- ld 9,72(%r4)
- ld 10,80(%r4)
- ld 11,88(%r4)
- ld 12,96(%r4)
- ld 13,104(%r4)
- ld 14,112(%r4)
- ld 15,120(%r4)
-1: # Clear CIF_FPU bit
- ni __LC_CPU_FLAGS+7,255-_CIF_FPU
- lg %r9,48(%r11) # return from load_fpu_regs
+ larl %r9,load_fpu_regs
br %r14
-.Lcleanup_load_fpu_regs_vx:
- .quad .Lload_fpu_regs_vx
-.Lcleanup_load_fpu_regs_vx_high:
- .quad .Lload_fpu_regs_vx_high
-.Lcleanup_load_fpu_regs_fp:
- .quad .Lload_fpu_regs_fp
-.Lcleanup_load_fpu_regs_done:
- .quad .Lload_fpu_regs_done

/*
* Integer constants
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index 58b719fa8067..1ad2407c7f75 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -16,7 +16,7 @@

__HEAD
ENTRY(startup_continue)
- tm __LC_STFL_FAC_LIST+6,0x80 # LPP available ?
+ tm __LC_STFL_FAC_LIST+5,0x80 # LPP available ?
jz 0f
xc __LC_LPP+1(7,0),__LC_LPP+1 # clear lpp and current_pid
mvi __LC_LPP,0x80 # and set LPP_MAGIC
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index c837bcacf218..1f581eb61bc2 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -329,6 +329,7 @@ static void __init setup_lowcore(void)
+ PAGE_SIZE - STACK_FRAME_OVERHEAD - sizeof(struct pt_regs);
lc->current_task = (unsigned long) init_thread_union.thread_info.task;
lc->thread_info = (unsigned long) &init_thread_union;
+ lc->lpp = LPP_MAGIC;
lc->machine_flags = S390_lowcore.machine_flags;
lc->stfl_fac_list = S390_lowcore.stfl_fac_list;
memcpy(lc->stfle_fac_list, S390_lowcore.stfle_fac_list,
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 7ef12a3ace3a..19442395f413 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -871,8 +871,11 @@ static inline int barsize(u8 size)

static int zpci_mem_init(void)
{
+ BUILD_BUG_ON(!is_power_of_2(__alignof__(struct zpci_fmb)) ||
+ __alignof__(struct zpci_fmb) < sizeof(struct zpci_fmb));
+
zdev_fmb_cache = kmem_cache_create("PCI_FMB_cache", sizeof(struct zpci_fmb),
- 16, 0, NULL);
+ __alignof__(struct zpci_fmb), 0, NULL);
if (!zdev_fmb_cache)
goto error_zdev;

diff --git a/arch/sh/mm/kmap.c b/arch/sh/mm/kmap.c
index ec29e14ec5a8..bf25d7c79a2d 100644
--- a/arch/sh/mm/kmap.c
+++ b/arch/sh/mm/kmap.c
@@ -36,6 +36,7 @@ void *kmap_coherent(struct page *page, unsigned long addr)

BUG_ON(!test_bit(PG_dcache_clean, &page->flags));

+ preempt_disable();
pagefault_disable();

idx = FIX_CMAP_END -
@@ -64,4 +65,5 @@ void kunmap_coherent(void *kvaddr)
}

pagefault_enable();
+ preempt_enable();
}
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index 29880c9b324e..e22e57298522 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -133,7 +133,7 @@ void mconsole_proc(struct mc_request *req)
ptr += strlen("proc");
ptr = skip_spaces(ptr);

- file = file_open_root(mnt->mnt_root, mnt, ptr, O_RDONLY);
+ file = file_open_root(mnt->mnt_root, mnt, ptr, O_RDONLY, 0);
if (IS_ERR(file)) {
mconsole_reply(req, "Failed to open file", 1, 0);
printk(KERN_ERR "open /proc/%s: %ld\n", ptr, PTR_ERR(file));
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index db3622f22b61..436639a31624 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1126,22 +1126,23 @@ config MICROCODE
bool "CPU microcode loading support"
default y
depends on CPU_SUP_AMD || CPU_SUP_INTEL
- depends on BLK_DEV_INITRD
select FW_LOADER
---help---
-
If you say Y here, you will be able to update the microcode on
- certain Intel and AMD processors. The Intel support is for the
- IA32 family, e.g. Pentium Pro, Pentium II, Pentium III, Pentium 4,
- Xeon etc. The AMD support is for families 0x10 and later. You will
- obviously need the actual microcode binary data itself which is not
- shipped with the Linux kernel.
-
- This option selects the general module only, you need to select
- at least one vendor specific module as well.
-
- To compile this driver as a module, choose M here: the module
- will be called microcode.
+ Intel and AMD processors. The Intel support is for the IA32 family,
+ e.g. Pentium Pro, Pentium II, Pentium III, Pentium 4, Xeon etc. The
+ AMD support is for families 0x10 and later. You will obviously need
+ the actual microcode binary data itself which is not shipped with
+ the Linux kernel.
+
+ The preferred method to load microcode from a detached initrd is described
+ in Documentation/x86/early-microcode.txt. For that you need to enable
+ CONFIG_BLK_DEV_INITRD in order for the loader to be able to scan the
+ initrd for microcode blobs.
+
+ In addition, you can build-in the microcode into the kernel. For that you
+ need to enable FIRMWARE_IN_KERNEL and add the vendor-supplied microcode
+ to the CONFIG_EXTRA_FIRMWARE config option.

config MICROCODE_INTEL
bool "Intel microcode loading support"
diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c
index 03663740c866..1a4477cedc49 100644
--- a/arch/x86/entry/common.c
+++ b/arch/x86/entry/common.c
@@ -268,6 +268,7 @@ static void exit_to_usermode_loop(struct pt_regs *regs, u32 cached_flags)
/* Called with IRQs disabled. */
__visible inline void prepare_exit_to_usermode(struct pt_regs *regs)
{
+ struct thread_info *ti = pt_regs_to_thread_info(regs);
u32 cached_flags;

if (IS_ENABLED(CONFIG_PROVE_LOCKING) && WARN_ON(!irqs_disabled()))
@@ -275,12 +276,22 @@ __visible inline void prepare_exit_to_usermode(struct pt_regs *regs)

lockdep_sys_exit();

- cached_flags =
- READ_ONCE(pt_regs_to_thread_info(regs)->flags);
+ cached_flags = READ_ONCE(ti->flags);

if (unlikely(cached_flags & EXIT_TO_USERMODE_LOOP_FLAGS))
exit_to_usermode_loop(regs, cached_flags);

+#ifdef CONFIG_COMPAT
+ /*
+ * Compat syscalls set TS_COMPAT. Make sure we clear it before
+ * returning to user mode. We need to clear it *after* signal
+ * handling, because syscall restart has a fixup for compat
+ * syscalls. The fixup is exercised by the ptrace_syscall_32
+ * selftest.
+ */
+ ti->status &= ~TS_COMPAT;
+#endif
+
user_enter();
}

@@ -332,14 +343,6 @@ __visible inline void syscall_return_slowpath(struct pt_regs *regs)
if (unlikely(cached_flags & SYSCALL_EXIT_WORK_FLAGS))
syscall_slow_exit_work(regs, cached_flags);

-#ifdef CONFIG_COMPAT
- /*
- * Compat syscalls set TS_COMPAT. Make sure we clear it before
- * returning to user mode.
- */
- ti->status &= ~TS_COMPAT;
-#endif
-
local_irq_disable();
prepare_exit_to_usermode(regs);
}
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index a30316bf801a..163769d82475 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -638,8 +638,8 @@ static inline void entering_irq(void)

static inline void entering_ack_irq(void)
{
- ack_APIC_irq();
entering_irq();
+ ack_APIC_irq();
}

static inline void ipi_entering_ack_irq(void)
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index 1e3408e88604..59caa55fb9b5 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -136,6 +136,7 @@ struct irq_alloc_info {
struct irq_cfg {
unsigned int dest_apicid;
u8 vector;
+ u8 old_vector;
};

extern struct irq_cfg *irq_cfg(unsigned int irq);
diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h
index 34e62b1dcfce..712b24ed3a64 100644
--- a/arch/x86/include/asm/microcode.h
+++ b/arch/x86/include/asm/microcode.h
@@ -2,6 +2,7 @@
#define _ASM_X86_MICROCODE_H

#include <linux/earlycpio.h>
+#include <linux/initrd.h>

#define native_rdmsr(msr, val1, val2) \
do { \
@@ -168,4 +169,29 @@ static inline void reload_early_microcode(void) { }
static inline bool
get_builtin_firmware(struct cpio_data *cd, const char *name) { return false; }
#endif
+
+static inline unsigned long get_initrd_start(void)
+{
+#ifdef CONFIG_BLK_DEV_INITRD
+ return initrd_start;
+#else
+ return 0;
+#endif
+}
+
+static inline unsigned long get_initrd_start_addr(void)
+{
+#ifdef CONFIG_BLK_DEV_INITRD
+#ifdef CONFIG_X86_32
+ unsigned long *initrd_start_p = (unsigned long *)__pa_nodebug(&initrd_start);
+
+ return (unsigned long)__pa_nodebug(*initrd_start_p);
+#else
+ return get_initrd_start();
+#endif
+#else /* CONFIG_BLK_DEV_INITRD */
+ return 0;
+#endif
+}
+
#endif /* _ASM_X86_MICROCODE_H */
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index 7bcb861a04e5..5a2ed3ed2f26 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -165,6 +165,7 @@ struct x86_pmu_capability {
#define GLOBAL_STATUS_ASIF BIT_ULL(60)
#define GLOBAL_STATUS_COUNTERS_FROZEN BIT_ULL(59)
#define GLOBAL_STATUS_LBRS_FROZEN BIT_ULL(58)
+#define GLOBAL_STATUS_TRACE_TOPAPMI BIT_ULL(55)

/*
* IBS cpuid feature detection
diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h
index 8b2d4bea9962..39171b3646bb 100644
--- a/arch/x86/include/asm/xen/hypervisor.h
+++ b/arch/x86/include/asm/xen/hypervisor.h
@@ -62,4 +62,6 @@ void xen_arch_register_cpu(int num);
void xen_arch_unregister_cpu(int num);
#endif

+extern void xen_set_iopl_mask(unsigned mask);
+
#endif /* _ASM_X86_XEN_HYPERVISOR_H */
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index a35f6b5473f4..7af2505f20c2 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -211,6 +211,7 @@ update:
*/
cpumask_and(d->old_domain, d->old_domain, cpu_online_mask);
d->move_in_progress = !cpumask_empty(d->old_domain);
+ d->cfg.old_vector = d->move_in_progress ? d->cfg.vector : 0;
d->cfg.vector = vector;
cpumask_copy(d->domain, vector_cpumask);
success:
@@ -653,46 +654,97 @@ void irq_complete_move(struct irq_cfg *cfg)
}

/*
- * Called with @desc->lock held and interrupts disabled.
+ * Called from fixup_irqs() with @desc->lock held and interrupts disabled.
*/
void irq_force_complete_move(struct irq_desc *desc)
{
struct irq_data *irqdata = irq_desc_get_irq_data(desc);
struct apic_chip_data *data = apic_chip_data(irqdata);
struct irq_cfg *cfg = data ? &data->cfg : NULL;
+ unsigned int cpu;

if (!cfg)
return;

- __irq_complete_move(cfg, cfg->vector);
-
/*
* This is tricky. If the cleanup of @data->old_domain has not been
* done yet, then the following setaffinity call will fail with
* -EBUSY. This can leave the interrupt in a stale state.
*
- * The cleanup cannot make progress because we hold @desc->lock. So in
- * case @data->old_domain is not yet cleaned up, we need to drop the
- * lock and acquire it again. @desc cannot go away, because the
- * hotplug code holds the sparse irq lock.
+ * All CPUs are stuck in stop machine with interrupts disabled so
+ * calling __irq_complete_move() would be completely pointless.
*/
raw_spin_lock(&vector_lock);
- /* Clean out all offline cpus (including ourself) first. */
+ /*
+ * Clean out all offline cpus (including the outgoing one) from the
+ * old_domain mask.
+ */
cpumask_and(data->old_domain, data->old_domain, cpu_online_mask);
- while (!cpumask_empty(data->old_domain)) {
+
+ /*
+ * If move_in_progress is cleared and the old_domain mask is empty,
+ * then there is nothing to cleanup. fixup_irqs() will take care of
+ * the stale vectors on the outgoing cpu.
+ */
+ if (!data->move_in_progress && cpumask_empty(data->old_domain)) {
raw_spin_unlock(&vector_lock);
- raw_spin_unlock(&desc->lock);
- cpu_relax();
- raw_spin_lock(&desc->lock);
+ return;
+ }
+
+ /*
+ * 1) The interrupt is in move_in_progress state. That means that we
+ * have not seen an interrupt since the io_apic was reprogrammed to
+ * the new vector.
+ *
+ * 2) The interrupt has fired on the new vector, but the cleanup IPIs
+ * have not been processed yet.
+ */
+ if (data->move_in_progress) {
/*
- * Reevaluate apic_chip_data. It might have been cleared after
- * we dropped @desc->lock.
+ * In theory there is a race:
+ *
+ * set_ioapic(new_vector) <-- Interrupt is raised before update
+ * is effective, i.e. it's raised on
+ * the old vector.
+ *
+ * So if the target cpu cannot handle that interrupt before
+ * the old vector is cleaned up, we get a spurious interrupt
+ * and in the worst case the ioapic irq line becomes stale.
+ *
+ * But in case of cpu hotplug this should be a non issue
+ * because if the affinity update happens right before all
+ * cpus rendevouz in stop machine, there is no way that the
+ * interrupt can be blocked on the target cpu because all cpus
+ * loops first with interrupts enabled in stop machine, so the
+ * old vector is not yet cleaned up when the interrupt fires.
+ *
+ * So the only way to run into this issue is if the delivery
+ * of the interrupt on the apic/system bus would be delayed
+ * beyond the point where the target cpu disables interrupts
+ * in stop machine. I doubt that it can happen, but at least
+ * there is a theroretical chance. Virtualization might be
+ * able to expose this, but AFAICT the IOAPIC emulation is not
+ * as stupid as the real hardware.
+ *
+ * Anyway, there is nothing we can do about that at this point
+ * w/o refactoring the whole fixup_irq() business completely.
+ * We print at least the irq number and the old vector number,
+ * so we have the necessary information when a problem in that
+ * area arises.
*/
- data = apic_chip_data(irqdata);
- if (!data)
- return;
- raw_spin_lock(&vector_lock);
+ pr_warn("IRQ fixup: irq %d move in progress, old vector %d\n",
+ irqdata->irq, cfg->old_vector);
}
+ /*
+ * If old_domain is not empty, then other cpus still have the irq
+ * descriptor set in their vector array. Clean it up.
+ */
+ for_each_cpu(cpu, data->old_domain)
+ per_cpu(vector_irq, cpu)[cfg->old_vector] = VECTOR_UNUSED;
+
+ /* Cleanup the left overs of the (half finished) move */
+ cpumask_clear(data->old_domain);
+ data->move_in_progress = 0;
raw_spin_unlock(&vector_lock);
}
#endif
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c
index ce47402eb2f9..ac8975a65280 100644
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -555,10 +555,14 @@ scan_microcode(struct mc_saved_data *mc_saved_data, unsigned long *initrd,
cd.data = NULL;
cd.size = 0;

- cd = find_cpio_data(p, (void *)start, size, &offset);
- if (!cd.data) {
+ /* try built-in microcode if no initrd */
+ if (!size) {
if (!load_builtin_intel_microcode(&cd))
return UCODE_ERROR;
+ } else {
+ cd = find_cpio_data(p, (void *)start, size, &offset);
+ if (!cd.data)
+ return UCODE_ERROR;
}

return get_matching_model_microcode(0, start, cd.data, cd.size,
@@ -694,7 +698,7 @@ int __init save_microcode_in_initrd_intel(void)
if (count == 0)
return ret;

- copy_initrd_ptrs(mc_saved, mc_saved_in_initrd, initrd_start, count);
+ copy_initrd_ptrs(mc_saved, mc_saved_in_initrd, get_initrd_start(), count);
ret = save_microcode(&mc_saved_data, mc_saved, count);
if (ret)
pr_err("Cannot save microcode patches from initrd.\n");
@@ -732,16 +736,20 @@ void __init load_ucode_intel_bsp(void)
struct boot_params *p;

p = (struct boot_params *)__pa_nodebug(&boot_params);
- start = p->hdr.ramdisk_image;
size = p->hdr.ramdisk_size;

- _load_ucode_intel_bsp(
- (struct mc_saved_data *)__pa_nodebug(&mc_saved_data),
- (unsigned long *)__pa_nodebug(&mc_saved_in_initrd),
- start, size);
+ /*
+ * Set start only if we have an initrd image. We cannot use initrd_start
+ * because it is not set that early yet.
+ */
+ start = (size ? p->hdr.ramdisk_image : 0);
+
+ _load_ucode_intel_bsp((struct mc_saved_data *)__pa_nodebug(&mc_saved_data),
+ (unsigned long *)__pa_nodebug(&mc_saved_in_initrd),
+ start, size);
#else
- start = boot_params.hdr.ramdisk_image + PAGE_OFFSET;
size = boot_params.hdr.ramdisk_size;
+ start = (size ? boot_params.hdr.ramdisk_image + PAGE_OFFSET : 0);

_load_ucode_intel_bsp(&mc_saved_data, mc_saved_in_initrd, start, size);
#endif
@@ -752,20 +760,14 @@ void load_ucode_intel_ap(void)
struct mc_saved_data *mc_saved_data_p;
struct ucode_cpu_info uci;
unsigned long *mc_saved_in_initrd_p;
- unsigned long initrd_start_addr;
enum ucode_state ret;
#ifdef CONFIG_X86_32
- unsigned long *initrd_start_p;

- mc_saved_in_initrd_p =
- (unsigned long *)__pa_nodebug(mc_saved_in_initrd);
+ mc_saved_in_initrd_p = (unsigned long *)__pa_nodebug(mc_saved_in_initrd);
mc_saved_data_p = (struct mc_saved_data *)__pa_nodebug(&mc_saved_data);
- initrd_start_p = (unsigned long *)__pa_nodebug(&initrd_start);
- initrd_start_addr = (unsigned long)__pa_nodebug(*initrd_start_p);
#else
- mc_saved_data_p = &mc_saved_data;
mc_saved_in_initrd_p = mc_saved_in_initrd;
- initrd_start_addr = initrd_start;
+ mc_saved_data_p = &mc_saved_data;
#endif

/*
@@ -777,7 +779,7 @@ void load_ucode_intel_ap(void)

collect_cpu_info_early(&uci);
ret = load_microcode(mc_saved_data_p, mc_saved_in_initrd_p,
- initrd_start_addr, &uci);
+ get_initrd_start_addr(), &uci);

if (ret != UCODE_OK)
return;
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 2bf79d7c97df..a3aeb2cc361e 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -593,6 +593,19 @@ void x86_pmu_disable_all(void)
}
}

+/*
+ * There may be PMI landing after enabled=0. The PMI hitting could be before or
+ * after disable_all.
+ *
+ * If PMI hits before disable_all, the PMU will be disabled in the NMI handler.
+ * It will not be re-enabled in the NMI handler again, because enabled=0. After
+ * handling the NMI, disable_all will be called, which will not change the
+ * state either. If PMI hits after disable_all, the PMU is already disabled
+ * before entering NMI handler. The NMI handler will not change the state
+ * either.
+ *
+ * So either situation is harmless.
+ */
static void x86_pmu_disable(struct pmu *pmu)
{
struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index d0e35ebb2adb..ee70445fbb1f 100644
--- a/arch/x86/kernel/cpu/perf_event.h
+++ b/arch/x86/kernel/cpu/perf_event.h
@@ -591,6 +591,7 @@ struct x86_pmu {
pebs_active :1,
pebs_broken :1;
int pebs_record_size;
+ int pebs_buffer_size;
void (*drain_pebs)(struct pt_regs *regs);
struct event_constraint *pebs_constraints;
void (*pebs_aliases)(struct perf_event *event);
@@ -907,6 +908,8 @@ void intel_pmu_lbr_init_hsw(void);

void intel_pmu_lbr_init_skl(void);

+void intel_pmu_pebs_data_source_nhm(void);
+
int intel_pmu_setup_lbr_filter(struct perf_event *event);

void intel_pt_interrupt(void);
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index e2a430021e46..078de2e86b7a 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -1458,7 +1458,15 @@ static __initconst const u64 slm_hw_cache_event_ids
};

/*
- * Use from PMIs where the LBRs are already disabled.
+ * Used from PMIs where the LBRs are already disabled.
+ *
+ * This function could be called consecutively. It is required to remain in
+ * disabled state if called consecutively.
+ *
+ * During consecutive calls, the same disable value will be written to related
+ * registers, so the PMU state remains unchanged. hw.state in
+ * intel_bts_disable_local will remain PERF_HES_STOPPED too in consecutive
+ * calls.
*/
static void __intel_pmu_disable_all(void)
{
@@ -1840,6 +1848,16 @@ again:
if (__test_and_clear_bit(62, (unsigned long *)&status)) {
handled++;
x86_pmu.drain_pebs(regs);
+ /*
+ * There are cases where, even though, the PEBS ovfl bit is set
+ * in GLOBAL_OVF_STATUS, the PEBS events may also have their
+ * overflow bits set for their counters. We must clear them
+ * here because they have been processed as exact samples in
+ * the drain_pebs() routine. They must not be processed again
+ * in the for_each_bit_set() loop for regular samples below.
+ */
+ status &= ~cpuc->pebs_enabled;
+ status &= x86_pmu.intel_ctrl | GLOBAL_STATUS_TRACE_TOPAPMI;
}

/*
@@ -1885,7 +1903,10 @@ again:
goto again;

done:
- __intel_pmu_enable_all(0, true);
+ /* Only restore PMU state when it's active. See x86_pmu_disable(). */
+ if (cpuc->enabled)
+ __intel_pmu_enable_all(0, true);
+
/*
* Only unmask the NMI after the overflow counters
* have been reset. This avoids spurious NMIs on
@@ -3315,6 +3336,7 @@ __init int intel_pmu_init(void)
intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] =
X86_CONFIG(.event=0xb1, .umask=0x3f, .inv=1, .cmask=1);

+ intel_pmu_pebs_data_source_nhm();
x86_add_quirk(intel_nehalem_quirk);

pr_cont("Nehalem events, ");
@@ -3377,6 +3399,7 @@ __init int intel_pmu_init(void)
intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] =
X86_CONFIG(.event=0xb1, .umask=0x3f, .inv=1, .cmask=1);

+ intel_pmu_pebs_data_source_nhm();
pr_cont("Westmere events, ");
break;

diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
index 5db1c7755548..7abb2b88572e 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -51,7 +51,8 @@ union intel_x86_pebs_dse {
#define OP_LH (P(OP, LOAD) | P(LVL, HIT))
#define SNOOP_NONE_MISS (P(SNOOP, NONE) | P(SNOOP, MISS))

-static const u64 pebs_data_source[] = {
+/* Version for Sandy Bridge and later */
+static u64 pebs_data_source[] = {
P(OP, LOAD) | P(LVL, MISS) | P(LVL, L3) | P(SNOOP, NA),/* 0x00:ukn L3 */
OP_LH | P(LVL, L1) | P(SNOOP, NONE), /* 0x01: L1 local */
OP_LH | P(LVL, LFB) | P(SNOOP, NONE), /* 0x02: LFB hit */
@@ -70,6 +71,14 @@ static const u64 pebs_data_source[] = {
OP_LH | P(LVL, UNC) | P(SNOOP, NONE), /* 0x0f: uncached */
};

+/* Patch up minor differences in the bits */
+void __init intel_pmu_pebs_data_source_nhm(void)
+{
+ pebs_data_source[0x05] = OP_LH | P(LVL, L3) | P(SNOOP, HIT);
+ pebs_data_source[0x06] = OP_LH | P(LVL, L3) | P(SNOOP, HITM);
+ pebs_data_source[0x07] = OP_LH | P(LVL, L3) | P(SNOOP, HITM);
+}
+
static u64 precise_store_data(u64 status)
{
union intel_x86_pebs_dse dse;
@@ -269,7 +278,7 @@ static int alloc_pebs_buffer(int cpu)
if (!x86_pmu.pebs)
return 0;

- buffer = kzalloc_node(PEBS_BUFFER_SIZE, GFP_KERNEL, node);
+ buffer = kzalloc_node(x86_pmu.pebs_buffer_size, GFP_KERNEL, node);
if (unlikely(!buffer))
return -ENOMEM;

@@ -286,7 +295,7 @@ static int alloc_pebs_buffer(int cpu)
per_cpu(insn_buffer, cpu) = ibuffer;
}

- max = PEBS_BUFFER_SIZE / x86_pmu.pebs_record_size;
+ max = x86_pmu.pebs_buffer_size / x86_pmu.pebs_record_size;

ds->pebs_buffer_base = (u64)(unsigned long)buffer;
ds->pebs_index = ds->pebs_buffer_base;
@@ -1296,6 +1305,7 @@ void __init intel_ds_init(void)

x86_pmu.bts = boot_cpu_has(X86_FEATURE_BTS);
x86_pmu.pebs = boot_cpu_has(X86_FEATURE_PEBS);
+ x86_pmu.pebs_buffer_size = PEBS_BUFFER_SIZE;
if (x86_pmu.pebs) {
char pebs_type = x86_pmu.intel_cap.pebs_trap ? '+' : '-';
int format = x86_pmu.intel_cap.pebs_format;
@@ -1304,6 +1314,14 @@ void __init intel_ds_init(void)
case 0:
printk(KERN_CONT "PEBS fmt0%c, ", pebs_type);
x86_pmu.pebs_record_size = sizeof(struct pebs_record_core);
+ /*
+ * Using >PAGE_SIZE buffers makes the WRMSR to
+ * PERF_GLOBAL_CTRL in intel_pmu_enable_all()
+ * mysteriously hang on Core2.
+ *
+ * As a workaround, we don't do this.
+ */
+ x86_pmu.pebs_buffer_size = PAGE_SIZE;
x86_pmu.drain_pebs = intel_pmu_drain_pebs_core;
break;

diff --git a/arch/x86/kernel/cpu/perf_event_knc.c b/arch/x86/kernel/cpu/perf_event_knc.c
index 5b0c232d1ee6..b931095e86d4 100644
--- a/arch/x86/kernel/cpu/perf_event_knc.c
+++ b/arch/x86/kernel/cpu/perf_event_knc.c
@@ -263,7 +263,9 @@ again:
goto again;

done:
- knc_pmu_enable_all(0);
+ /* Only restore PMU state when it's active. See x86_pmu_disable(). */
+ if (cpuc->enabled)
+ knc_pmu_enable_all(0);

return handled;
}
diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c
index 37dae792dbbe..589b3193f102 100644
--- a/arch/x86/kernel/ioport.c
+++ b/arch/x86/kernel/ioport.c
@@ -96,9 +96,14 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
SYSCALL_DEFINE1(iopl, unsigned int, level)
{
struct pt_regs *regs = current_pt_regs();
- unsigned int old = (regs->flags >> 12) & 3;
struct thread_struct *t = &current->thread;

+ /*
+ * Careful: the IOPL bits in regs->flags are undefined under Xen PV
+ * and changing them has no effect.
+ */
+ unsigned int old = t->iopl >> X86_EFLAGS_IOPL_BIT;
+
if (level > 3)
return -EINVAL;
/* Trying to gain more privileges? */
@@ -106,8 +111,9 @@ SYSCALL_DEFINE1(iopl, unsigned int, level)
if (!capable(CAP_SYS_RAWIO))
return -EPERM;
}
- regs->flags = (regs->flags & ~X86_EFLAGS_IOPL) | (level << 12);
- t->iopl = level << 12;
+ regs->flags = (regs->flags & ~X86_EFLAGS_IOPL) |
+ (level << X86_EFLAGS_IOPL_BIT);
+ t->iopl = level << X86_EFLAGS_IOPL_BIT;
set_iopl_mask(t->iopl);

return 0;
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index e835d263a33b..4cbb60fbff3e 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -48,6 +48,7 @@
#include <asm/syscalls.h>
#include <asm/debugreg.h>
#include <asm/switch_to.h>
+#include <asm/xen/hypervisor.h>

asmlinkage extern void ret_from_fork(void);

@@ -411,6 +412,17 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
task_thread_info(prev_p)->flags & _TIF_WORK_CTXSW_PREV))
__switch_to_xtra(prev_p, next_p, tss);

+#ifdef CONFIG_XEN
+ /*
+ * On Xen PV, IOPL bits in pt_regs->flags have no effect, and
+ * current_pt_regs()->flags may not match the current task's
+ * intended IOPL. We need to switch it manually.
+ */
+ if (unlikely(static_cpu_has(X86_FEATURE_XENPV) &&
+ prev->iopl != next->iopl))
+ xen_set_iopl_mask(next->iopl);
+#endif
+
if (static_cpu_has_bug(X86_BUG_SYSRET_SS_ATTRS)) {
/*
* AMD CPUs have a misfeature: SYSRET sets the SS selector but
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index b0ea42b78ccd..ab5318727579 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -245,7 +245,7 @@ static void kvm_pit_ack_irq(struct kvm_irq_ack_notifier *kian)
* PIC is being reset. Handle it gracefully here
*/
atomic_inc(&ps->pending);
- else if (value > 0)
+ else if (value > 0 && ps->reinject)
/* in this case, we had multiple outstanding pit interrupts
* that we needed to inject. Reinject
*/
@@ -288,7 +288,9 @@ static void pit_do_work(struct kthread_work *work)
* last one has been acked.
*/
spin_lock(&ps->inject_lock);
- if (ps->irq_ack) {
+ if (!ps->reinject)
+ inject = 1;
+ else if (ps->irq_ack) {
ps->irq_ack = 0;
inject = 1;
}
@@ -317,10 +319,10 @@ static enum hrtimer_restart pit_timer_fn(struct hrtimer *data)
struct kvm_kpit_state *ps = container_of(data, struct kvm_kpit_state, timer);
struct kvm_pit *pt = ps->kvm->arch.vpit;

- if (ps->reinject || !atomic_read(&ps->pending)) {
+ if (ps->reinject)
atomic_inc(&ps->pending);
- queue_kthread_work(&pt->worker, &pt->expired);
- }
+
+ queue_kthread_work(&pt->worker, &pt->expired);

if (ps->is_periodic) {
hrtimer_add_expires_ns(&ps->timer, ps->period);
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 0958fa2b7cb7..f34ab71dfd57 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2637,8 +2637,15 @@ static void nested_vmx_setup_ctls_msrs(struct vcpu_vmx *vmx)
} else
vmx->nested.nested_vmx_ept_caps = 0;

+ /*
+ * Old versions of KVM use the single-context version without
+ * checking for support, so declare that it is supported even
+ * though it is treated as global context. The alternative is
+ * not failing the single-context invvpid, and it is worse.
+ */
if (enable_vpid)
vmx->nested.nested_vmx_vpid_caps = VMX_VPID_INVVPID_BIT |
+ VMX_VPID_EXTENT_SINGLE_CONTEXT_BIT |
VMX_VPID_EXTENT_GLOBAL_CONTEXT_BIT;
else
vmx->nested.nested_vmx_vpid_caps = 0;
@@ -7340,6 +7347,7 @@ static int handle_invept(struct kvm_vcpu *vcpu)
if (!(types & (1UL << type))) {
nested_vmx_failValid(vcpu,
VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
+ skip_emulated_instruction(vcpu);
return 1;
}

@@ -7398,6 +7406,7 @@ static int handle_invvpid(struct kvm_vcpu *vcpu)
if (!(types & (1UL << type))) {
nested_vmx_failValid(vcpu,
VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
+ skip_emulated_instruction(vcpu);
return 1;
}

@@ -7414,12 +7423,17 @@ static int handle_invvpid(struct kvm_vcpu *vcpu)
}

switch (type) {
+ case VMX_VPID_EXTENT_SINGLE_CONTEXT:
+ /*
+ * Old versions of KVM use the single-context version so we
+ * have to support it; just treat it the same as all-context.
+ */
case VMX_VPID_EXTENT_ALL_CONTEXT:
__vmx_flush_tlb(vcpu, to_vmx(vcpu)->nested.vpid02);
nested_vmx_succeed(vcpu);
break;
default:
- /* Trap single context invalidation invvpid calls */
+ /* Trap individual address invalidation invvpid calls */
BUG_ON(1);
break;
}
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index d2945024ed33..8bfc5fc6a39b 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2736,6 +2736,7 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
}

kvm_make_request(KVM_REQ_STEAL_UPDATE, vcpu);
+ vcpu->arch.switch_db_regs |= KVM_DEBUGREG_RELOAD;
}

void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 8f4cc3dfac32..5fb6adaaa796 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -106,8 +106,6 @@ static void flush_tlb_func(void *info)

if (f->flush_mm != this_cpu_read(cpu_tlbstate.active_mm))
return;
- if (!f->flush_end)
- f->flush_end = f->flush_start + PAGE_SIZE;

count_vm_tlb_event(NR_TLB_REMOTE_FLUSH_RECEIVED);
if (this_cpu_read(cpu_tlbstate.state) == TLBSTATE_OK) {
@@ -135,12 +133,20 @@ void native_flush_tlb_others(const struct cpumask *cpumask,
unsigned long end)
{
struct flush_tlb_info info;
+
+ if (end == 0)
+ end = start + PAGE_SIZE;
info.flush_mm = mm;
info.flush_start = start;
info.flush_end = end;

count_vm_tlb_event(NR_TLB_REMOTE_FLUSH);
- trace_tlb_flush(TLB_REMOTE_SEND_IPI, end - start);
+ if (end == TLB_FLUSH_ALL)
+ trace_tlb_flush(TLB_REMOTE_SEND_IPI, TLB_FLUSH_ALL);
+ else
+ trace_tlb_flush(TLB_REMOTE_SEND_IPI,
+ (end - start) >> PAGE_SHIFT);
+
if (is_uv_system()) {
unsigned int cpu;

diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
index e58565556703..0ae7e9fa348d 100644
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@ -540,3 +540,10 @@ static void twinhead_reserve_killing_zone(struct pci_dev *dev)
}
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x27B9, twinhead_reserve_killing_zone);
+
+static void pci_bdwep_bar(struct pci_dev *dev)
+{
+ dev->non_compliant_bars = 1;
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fa0, pci_bdwep_bar);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fc0, pci_bdwep_bar);
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index b7de78bdc09c..beab8c706ac9 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -961,7 +961,7 @@ static void xen_load_sp0(struct tss_struct *tss,
tss->x86_tss.sp0 = thread->sp0;
}

-static void xen_set_iopl_mask(unsigned mask)
+void xen_set_iopl_mask(unsigned mask)
{
struct physdev_set_iopl set_iopl;

diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S
index 9ed55649ac8e..05e1df943856 100644
--- a/arch/xtensa/kernel/head.S
+++ b/arch/xtensa/kernel/head.S
@@ -128,7 +128,7 @@ ENTRY(_startup)
wsr a0, icountlevel

.set _index, 0
- .rept XCHAL_NUM_DBREAK - 1
+ .rept XCHAL_NUM_DBREAK
wsr a0, SREG_DBREAKC + _index
.set _index, _index + 1
.endr
diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c
index d75aa1476da7..1a804a2f9a5b 100644
--- a/arch/xtensa/mm/cache.c
+++ b/arch/xtensa/mm/cache.c
@@ -97,11 +97,11 @@ void clear_user_highpage(struct page *page, unsigned long vaddr)
unsigned long paddr;
void *kvaddr = coherent_kvaddr(page, TLBTEMP_BASE_1, vaddr, &paddr);

- pagefault_disable();
+ preempt_disable();
kmap_invalidate_coherent(page, vaddr);
set_bit(PG_arch_1, &page->flags);
clear_page_alias(kvaddr, paddr);
- pagefault_enable();
+ preempt_enable();
}

void copy_user_highpage(struct page *dst, struct page *src,
@@ -113,11 +113,11 @@ void copy_user_highpage(struct page *dst, struct page *src,
void *src_vaddr = coherent_kvaddr(src, TLBTEMP_BASE_2, vaddr,
&src_paddr);

- pagefault_disable();
+ preempt_disable();
kmap_invalidate_coherent(dst, vaddr);
set_bit(PG_arch_1, &dst->flags);
copy_page_alias(dst_vaddr, src_vaddr, dst_paddr, src_paddr);
- pagefault_enable();
+ preempt_enable();
}

#endif /* DCACHE_WAY_SIZE > PAGE_SIZE */
diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index 70cb408bc20d..92d785fefb6d 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -100,21 +100,23 @@ static void rs_poll(unsigned long priv)
{
struct tty_port *port = (struct tty_port *)priv;
int i = 0;
+ int rd = 1;
unsigned char c;

spin_lock(&timer_lock);

while (simc_poll(0)) {
- simc_read(0, &c, 1);
+ rd = simc_read(0, &c, 1);
+ if (rd <= 0)
+ break;
tty_insert_flip_char(port, c, TTY_NORMAL);
i++;
}

if (i)
tty_flip_buffer_push(port);
-
-
- mod_timer(&serial_timer, jiffies + SERIAL_TIMER_VALUE);
+ if (rd)
+ mod_timer(&serial_timer, jiffies + SERIAL_TIMER_VALUE);
spin_unlock(&timer_lock);
}

diff --git a/block/blk-core.c b/block/blk-core.c
index 33e2f62d5062..f8e64cac981a 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -2189,7 +2189,7 @@ int blk_insert_cloned_request(struct request_queue *q, struct request *rq)
if (q->mq_ops) {
if (blk_queue_io_stat(q))
blk_account_io_start(rq, true);
- blk_mq_insert_request(rq, false, true, true);
+ blk_mq_insert_request(rq, false, true, false);
return 0;
}

diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index 021d39c0ba75..13c4e5a5fe8c 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -494,7 +494,7 @@ int x509_decode_time(time64_t *_t, size_t hdrlen,
unsigned char tag,
const unsigned char *value, size_t vlen)
{
- static const unsigned char month_lengths[] = { 31, 29, 31, 30, 31, 30,
+ static const unsigned char month_lengths[] = { 31, 28, 31, 30, 31, 30,
31, 31, 30, 31, 30, 31 };
const unsigned char *p = value;
unsigned year, mon, day, hour, min, sec, mon_len;
@@ -540,9 +540,9 @@ int x509_decode_time(time64_t *_t, size_t hdrlen,
if (year % 4 == 0) {
mon_len = 29;
if (year % 100 == 0) {
- year /= 100;
- if (year % 4 != 0)
- mon_len = 28;
+ mon_len = 28;
+ if (year % 400 == 0)
+ mon_len = 29;
}
}
}
diff --git a/crypto/keywrap.c b/crypto/keywrap.c
index b1d106ce55f3..72014f963ba7 100644
--- a/crypto/keywrap.c
+++ b/crypto/keywrap.c
@@ -212,7 +212,7 @@ static int crypto_kw_decrypt(struct blkcipher_desc *desc,
SEMIBSIZE))
ret = -EBADMSG;

- memzero_explicit(&block, sizeof(struct crypto_kw_block));
+ memzero_explicit(block, sizeof(struct crypto_kw_block));

return ret;
}
@@ -297,7 +297,7 @@ static int crypto_kw_encrypt(struct blkcipher_desc *desc,
/* establish the IV for the caller to pick up */
memcpy(desc->info, block->A, SEMIBSIZE);

- memzero_explicit(&block, sizeof(struct crypto_kw_block));
+ memzero_explicit(block, sizeof(struct crypto_kw_block));

return 0;
}
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index cdc5c2599beb..627f8fbb5e9a 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -26,8 +26,20 @@

#ifdef CONFIG_X86
#define valid_IRQ(i) (((i) != 0) && ((i) != 2))
+static inline bool acpi_iospace_resource_valid(struct resource *res)
+{
+ /* On X86 IO space is limited to the [0 - 64K] IO port range */
+ return res->end < 0x10003;
+}
#else
#define valid_IRQ(i) (true)
+/*
+ * ACPI IO descriptors on arches other than X86 contain MMIO CPU physical
+ * addresses mapping IO space in CPU physical address space, IO space
+ * resources can be placed anywhere in the 64-bit physical address space.
+ */
+static inline bool
+acpi_iospace_resource_valid(struct resource *res) { return true; }
#endif

static bool acpi_dev_resource_len_valid(u64 start, u64 end, u64 len, bool io)
@@ -126,7 +138,7 @@ static void acpi_dev_ioresource_flags(struct resource *res, u64 len,
if (!acpi_dev_resource_len_valid(res->start, res->end, len, true))
res->flags |= IORESOURCE_DISABLED | IORESOURCE_UNSET;

- if (res->end >= 0x10003)
+ if (!acpi_iospace_resource_valid(res))
res->flags |= IORESOURCE_DISABLED | IORESOURCE_UNSET;

if (io_decode == ACPI_DECODE_16)
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 0d94621dc856..e3322adaaae0 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -714,6 +714,7 @@ static int acpi_hibernation_enter(void)

static void acpi_hibernation_leave(void)
{
+ pm_set_resume_via_firmware();
/*
* If ACPI is not enabled by the BIOS and the boot kernel, we need to
* enable it here.
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index a5880f4ab40e..1914c63ca8b1 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -338,7 +338,7 @@ static blk_qc_t brd_make_request(struct request_queue *q, struct bio *bio)

if (unlikely(bio->bi_rw & REQ_DISCARD)) {
if (sector & ((PAGE_SIZE >> SECTOR_SHIFT) - 1) ||
- bio->bi_iter.bi_size & PAGE_MASK)
+ bio->bi_iter.bi_size & ~PAGE_MASK)
goto io_error;
discard_from_brd(brd, sector, bio->bi_iter.bi_size);
goto out;
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 3457ac8c03e2..55d3d1da72de 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -173,7 +173,13 @@ static struct mtip_cmd *mtip_get_int_command(struct driver_data *dd)
{
struct request *rq;

+ if (mtip_check_surprise_removal(dd->pdev))
+ return NULL;
+
rq = blk_mq_alloc_request(dd->queue, 0, __GFP_RECLAIM, true);
+ if (IS_ERR(rq))
+ return NULL;
+
return blk_mq_rq_to_pdu(rq);
}

@@ -233,15 +239,9 @@ static void mtip_async_complete(struct mtip_port *port,
"Command tag %d failed due to TFE\n", tag);
}

- /* Unmap the DMA scatter list entries */
- dma_unmap_sg(&dd->pdev->dev, cmd->sg, cmd->scatter_ents, cmd->direction);
-
rq = mtip_rq_from_tag(dd, tag);

- if (unlikely(cmd->unaligned))
- up(&port->cmd_slot_unal);
-
- blk_mq_end_request(rq, status ? -EIO : 0);
+ blk_mq_complete_request(rq, status);
}

/*
@@ -581,6 +581,8 @@ static void mtip_completion(struct mtip_port *port,
dev_warn(&port->dd->pdev->dev,
"Internal command %d completed with TFE\n", tag);

+ command->comp_func = NULL;
+ command->comp_data = NULL;
complete(waiting);
}

@@ -618,8 +620,6 @@ static void mtip_handle_tfe(struct driver_data *dd)

port = dd->port;

- set_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags);
-
if (test_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags)) {
cmd = mtip_cmd_from_tag(dd, MTIP_TAG_INTERNAL);
dbg_printk(MTIP_DRV_NAME " TFE for the internal command\n");
@@ -628,7 +628,7 @@ static void mtip_handle_tfe(struct driver_data *dd)
cmd->comp_func(port, MTIP_TAG_INTERNAL,
cmd, PORT_IRQ_TF_ERR);
}
- goto handle_tfe_exit;
+ return;
}

/* clear the tag accumulator */
@@ -701,7 +701,7 @@ static void mtip_handle_tfe(struct driver_data *dd)
fail_reason = "thermal shutdown";
}
if (buf[288] == 0xBF) {
- set_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag);
+ set_bit(MTIP_DDF_REBUILD_FAILED_BIT, &dd->dd_flag);
dev_info(&dd->pdev->dev,
"Drive indicates rebuild has failed. Secure erase required.\n");
fail_all_ncq_cmds = 1;
@@ -771,11 +771,6 @@ static void mtip_handle_tfe(struct driver_data *dd)
}
}
print_tags(dd, "reissued (TFE)", tagaccum, cmd_cnt);
-
-handle_tfe_exit:
- /* clear eh_active */
- clear_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags);
- wake_up_interruptible(&port->svc_wait);
}

/*
@@ -1007,6 +1002,7 @@ static bool mtip_pause_ncq(struct mtip_port *port,
(fis->features == 0x27 || fis->features == 0x72 ||
fis->features == 0x62 || fis->features == 0x26))) {
clear_bit(MTIP_DDF_SEC_LOCK_BIT, &port->dd->dd_flag);
+ clear_bit(MTIP_DDF_REBUILD_FAILED_BIT, &port->dd->dd_flag);
/* Com reset after secure erase or lowlevel format */
mtip_restart_port(port);
clear_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags);
@@ -1021,12 +1017,14 @@ static bool mtip_pause_ncq(struct mtip_port *port,
*
* @port Pointer to port data structure
* @timeout Max duration to wait (ms)
+ * @atomic gfp_t flag to indicate blockable context or not
*
* return value
* 0 Success
* -EBUSY Commands still active
*/
-static int mtip_quiesce_io(struct mtip_port *port, unsigned long timeout)
+static int mtip_quiesce_io(struct mtip_port *port, unsigned long timeout,
+ gfp_t atomic)
{
unsigned long to;
unsigned int n;
@@ -1037,16 +1035,21 @@ static int mtip_quiesce_io(struct mtip_port *port, unsigned long timeout)
to = jiffies + msecs_to_jiffies(timeout);
do {
if (test_bit(MTIP_PF_SVC_THD_ACTIVE_BIT, &port->flags) &&
- test_bit(MTIP_PF_ISSUE_CMDS_BIT, &port->flags)) {
+ test_bit(MTIP_PF_ISSUE_CMDS_BIT, &port->flags) &&
+ atomic == GFP_KERNEL) {
msleep(20);
continue; /* svc thd is actively issuing commands */
}

- msleep(100);
+ if (atomic == GFP_KERNEL)
+ msleep(100);
+ else {
+ cpu_relax();
+ udelay(100);
+ }
+
if (mtip_check_surprise_removal(port->dd->pdev))
goto err_fault;
- if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &port->dd->dd_flag))
- goto err_fault;

/*
* Ignore s_active bit 0 of array element 0.
@@ -1099,6 +1102,7 @@ static int mtip_exec_internal_command(struct mtip_port *port,
struct mtip_cmd *int_cmd;
struct driver_data *dd = port->dd;
int rv = 0;
+ unsigned long start;

/* Make sure the buffer is 8 byte aligned. This is asic specific. */
if (buffer & 0x00000007) {
@@ -1107,6 +1111,10 @@ static int mtip_exec_internal_command(struct mtip_port *port,
}

int_cmd = mtip_get_int_command(dd);
+ if (!int_cmd) {
+ dbg_printk(MTIP_DRV_NAME "Unable to allocate tag for PIO cmd\n");
+ return -EFAULT;
+ }

set_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags);

@@ -1119,7 +1127,7 @@ static int mtip_exec_internal_command(struct mtip_port *port,
if (fis->command != ATA_CMD_STANDBYNOW1) {
/* wait for io to complete if non atomic */
if (mtip_quiesce_io(port,
- MTIP_QUIESCE_IO_TIMEOUT_MS) < 0) {
+ MTIP_QUIESCE_IO_TIMEOUT_MS, atomic) < 0) {
dev_warn(&dd->pdev->dev,
"Failed to quiesce IO\n");
mtip_put_int_command(dd, int_cmd);
@@ -1162,6 +1170,8 @@ static int mtip_exec_internal_command(struct mtip_port *port,
/* Populate the command header */
int_cmd->command_header->byte_count = 0;

+ start = jiffies;
+
/* Issue the command to the hardware */
mtip_issue_non_ncq_command(port, MTIP_TAG_INTERNAL);

@@ -1170,10 +1180,12 @@ static int mtip_exec_internal_command(struct mtip_port *port,
if ((rv = wait_for_completion_interruptible_timeout(
&wait,
msecs_to_jiffies(timeout))) <= 0) {
+
if (rv == -ERESTARTSYS) { /* interrupted */
dev_err(&dd->pdev->dev,
- "Internal command [%02X] was interrupted after %lu ms\n",
- fis->command, timeout);
+ "Internal command [%02X] was interrupted after %u ms\n",
+ fis->command,
+ jiffies_to_msecs(jiffies - start));
rv = -EINTR;
goto exec_ic_exit;
} else if (rv == 0) /* timeout */
@@ -2897,6 +2909,42 @@ static int mtip_ftl_rebuild_poll(struct driver_data *dd)
return -EFAULT;
}

+static void mtip_softirq_done_fn(struct request *rq)
+{
+ struct mtip_cmd *cmd = blk_mq_rq_to_pdu(rq);
+ struct driver_data *dd = rq->q->queuedata;
+
+ /* Unmap the DMA scatter list entries */
+ dma_unmap_sg(&dd->pdev->dev, cmd->sg, cmd->scatter_ents,
+ cmd->direction);
+
+ if (unlikely(cmd->unaligned))
+ up(&dd->port->cmd_slot_unal);
+
+ blk_mq_end_request(rq, rq->errors);
+}
+
+static void mtip_abort_cmd(struct request *req, void *data,
+ bool reserved)
+{
+ struct driver_data *dd = data;
+
+ dbg_printk(MTIP_DRV_NAME " Aborting request, tag = %d\n", req->tag);
+
+ clear_bit(req->tag, dd->port->cmds_to_issue);
+ req->errors = -EIO;
+ mtip_softirq_done_fn(req);
+}
+
+static void mtip_queue_cmd(struct request *req, void *data,
+ bool reserved)
+{
+ struct driver_data *dd = data;
+
+ set_bit(req->tag, dd->port->cmds_to_issue);
+ blk_abort_request(req);
+}
+
/*
* service thread to issue queued commands
*
@@ -2909,7 +2957,7 @@ static int mtip_ftl_rebuild_poll(struct driver_data *dd)
static int mtip_service_thread(void *data)
{
struct driver_data *dd = (struct driver_data *)data;
- unsigned long slot, slot_start, slot_wrap;
+ unsigned long slot, slot_start, slot_wrap, to;
unsigned int num_cmd_slots = dd->slot_groups * 32;
struct mtip_port *port = dd->port;

@@ -2924,9 +2972,7 @@ static int mtip_service_thread(void *data)
* is in progress nor error handling is active
*/
wait_event_interruptible(port->svc_wait, (port->flags) &&
- !(port->flags & MTIP_PF_PAUSE_IO));
-
- set_bit(MTIP_PF_SVC_THD_ACTIVE_BIT, &port->flags);
+ (port->flags & MTIP_PF_SVC_THD_WORK));

if (kthread_should_stop() ||
test_bit(MTIP_PF_SVC_THD_STOP_BIT, &port->flags))
@@ -2936,6 +2982,8 @@ static int mtip_service_thread(void *data)
&dd->dd_flag)))
goto st_out;

+ set_bit(MTIP_PF_SVC_THD_ACTIVE_BIT, &port->flags);
+
restart_eh:
/* Demux bits: start with error handling */
if (test_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags)) {
@@ -2946,6 +2994,32 @@ restart_eh:
if (test_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags))
goto restart_eh;

+ if (test_bit(MTIP_PF_TO_ACTIVE_BIT, &port->flags)) {
+ to = jiffies + msecs_to_jiffies(5000);
+
+ do {
+ mdelay(100);
+ } while (atomic_read(&dd->irq_workers_active) != 0 &&
+ time_before(jiffies, to));
+
+ if (atomic_read(&dd->irq_workers_active) != 0)
+ dev_warn(&dd->pdev->dev,
+ "Completion workers still active!");
+
+ spin_lock(dd->queue->queue_lock);
+ blk_mq_all_tag_busy_iter(*dd->tags.tags,
+ mtip_queue_cmd, dd);
+ spin_unlock(dd->queue->queue_lock);
+
+ set_bit(MTIP_PF_ISSUE_CMDS_BIT, &dd->port->flags);
+
+ if (mtip_device_reset(dd))
+ blk_mq_all_tag_busy_iter(*dd->tags.tags,
+ mtip_abort_cmd, dd);
+
+ clear_bit(MTIP_PF_TO_ACTIVE_BIT, &dd->port->flags);
+ }
+
if (test_bit(MTIP_PF_ISSUE_CMDS_BIT, &port->flags)) {
slot = 1;
/* used to restrict the loop to one iteration */
@@ -2978,10 +3052,8 @@ restart_eh:
}

if (test_bit(MTIP_PF_REBUILD_BIT, &port->flags)) {
- if (mtip_ftl_rebuild_poll(dd) < 0)
- set_bit(MTIP_DDF_REBUILD_FAILED_BIT,
- &dd->dd_flag);
- clear_bit(MTIP_PF_REBUILD_BIT, &port->flags);
+ if (mtip_ftl_rebuild_poll(dd) == 0)
+ clear_bit(MTIP_PF_REBUILD_BIT, &port->flags);
}
}

@@ -3096,7 +3168,7 @@ static int mtip_hw_get_identify(struct driver_data *dd)
if (buf[288] == 0xBF) {
dev_info(&dd->pdev->dev,
"Drive indicates rebuild has failed.\n");
- /* TODO */
+ set_bit(MTIP_DDF_REBUILD_FAILED_BIT, &dd->dd_flag);
}
}

@@ -3270,20 +3342,25 @@ out1:
return rv;
}

-static void mtip_standby_drive(struct driver_data *dd)
+static int mtip_standby_drive(struct driver_data *dd)
{
- if (dd->sr)
- return;
+ int rv = 0;

+ if (dd->sr || !dd->port)
+ return -ENODEV;
/*
* Send standby immediate (E0h) to the drive so that it
* saves its state.
*/
if (!test_bit(MTIP_PF_REBUILD_BIT, &dd->port->flags) &&
- !test_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag))
- if (mtip_standby_immediate(dd->port))
+ !test_bit(MTIP_DDF_REBUILD_FAILED_BIT, &dd->dd_flag) &&
+ !test_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag)) {
+ rv = mtip_standby_immediate(dd->port);
+ if (rv)
dev_warn(&dd->pdev->dev,
"STANDBY IMMEDIATE failed\n");
+ }
+ return rv;
}

/*
@@ -3296,10 +3373,6 @@ static void mtip_standby_drive(struct driver_data *dd)
*/
static int mtip_hw_exit(struct driver_data *dd)
{
- /*
- * Send standby immediate (E0h) to the drive so that it
- * saves its state.
- */
if (!dd->sr) {
/* de-initialize the port. */
mtip_deinit_port(dd->port);
@@ -3341,8 +3414,7 @@ static int mtip_hw_shutdown(struct driver_data *dd)
* Send standby immediate (E0h) to the drive so that it
* saves its state.
*/
- if (!dd->sr && dd->port)
- mtip_standby_immediate(dd->port);
+ mtip_standby_drive(dd);

return 0;
}
@@ -3365,7 +3437,7 @@ static int mtip_hw_suspend(struct driver_data *dd)
* Send standby immediate (E0h) to the drive
* so that it saves its state.
*/
- if (mtip_standby_immediate(dd->port) != 0) {
+ if (mtip_standby_drive(dd) != 0) {
dev_err(&dd->pdev->dev,
"Failed standby-immediate command\n");
return -EFAULT;
@@ -3603,6 +3675,28 @@ static int mtip_block_getgeo(struct block_device *dev,
return 0;
}

+static int mtip_block_open(struct block_device *dev, fmode_t mode)
+{
+ struct driver_data *dd;
+
+ if (dev && dev->bd_disk) {
+ dd = (struct driver_data *) dev->bd_disk->private_data;
+
+ if (dd) {
+ if (test_bit(MTIP_DDF_REMOVAL_BIT,
+ &dd->dd_flag)) {
+ return -ENODEV;
+ }
+ return 0;
+ }
+ }
+ return -ENODEV;
+}
+
+void mtip_block_release(struct gendisk *disk, fmode_t mode)
+{
+}
+
/*
* Block device operation function.
*
@@ -3610,6 +3704,8 @@ static int mtip_block_getgeo(struct block_device *dev,
* layer.
*/
static const struct block_device_operations mtip_block_ops = {
+ .open = mtip_block_open,
+ .release = mtip_block_release,
.ioctl = mtip_block_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = mtip_block_compat_ioctl,
@@ -3671,10 +3767,9 @@ static int mtip_submit_request(struct blk_mq_hw_ctx *hctx, struct request *rq)
rq_data_dir(rq))) {
return -ENODATA;
}
- if (unlikely(test_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag)))
+ if (unlikely(test_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag) ||
+ test_bit(MTIP_DDF_REBUILD_FAILED_BIT, &dd->dd_flag)))
return -ENODATA;
- if (test_bit(MTIP_DDF_REBUILD_FAILED_BIT, &dd->dd_flag))
- return -ENXIO;
}

if (rq->cmd_flags & REQ_DISCARD) {
@@ -3786,11 +3881,33 @@ static int mtip_init_cmd(void *data, struct request *rq, unsigned int hctx_idx,
return 0;
}

+static enum blk_eh_timer_return mtip_cmd_timeout(struct request *req,
+ bool reserved)
+{
+ struct driver_data *dd = req->q->queuedata;
+ int ret = BLK_EH_RESET_TIMER;
+
+ if (reserved)
+ goto exit_handler;
+
+ if (test_bit(req->tag, dd->port->cmds_to_issue))
+ goto exit_handler;
+
+ if (test_and_set_bit(MTIP_PF_TO_ACTIVE_BIT, &dd->port->flags))
+ goto exit_handler;
+
+ wake_up_interruptible(&dd->port->svc_wait);
+exit_handler:
+ return ret;
+}
+
static struct blk_mq_ops mtip_mq_ops = {
.queue_rq = mtip_queue_rq,
.map_queue = blk_mq_map_queue,
.init_request = mtip_init_cmd,
.exit_request = mtip_free_cmd,
+ .complete = mtip_softirq_done_fn,
+ .timeout = mtip_cmd_timeout,
};

/*
@@ -3857,7 +3974,6 @@ static int mtip_block_initialize(struct driver_data *dd)

mtip_hw_debugfs_init(dd);

-skip_create_disk:
memset(&dd->tags, 0, sizeof(dd->tags));
dd->tags.ops = &mtip_mq_ops;
dd->tags.nr_hw_queues = 1;
@@ -3867,12 +3983,13 @@ skip_create_disk:
dd->tags.numa_node = dd->numa_node;
dd->tags.flags = BLK_MQ_F_SHOULD_MERGE;
dd->tags.driver_data = dd;
+ dd->tags.timeout = MTIP_NCQ_CMD_TIMEOUT_MS;

rv = blk_mq_alloc_tag_set(&dd->tags);
if (rv) {
dev_err(&dd->pdev->dev,
"Unable to allocate request queue\n");
- goto block_queue_alloc_init_error;
+ goto block_queue_alloc_tag_error;
}

/* Allocate the request queue. */
@@ -3887,6 +4004,7 @@ skip_create_disk:
dd->disk->queue = dd->queue;
dd->queue->queuedata = dd;

+skip_create_disk:
/* Initialize the protocol layer. */
wait_for_rebuild = mtip_hw_get_identify(dd);
if (wait_for_rebuild < 0) {
@@ -3983,8 +4101,9 @@ kthread_run_error:
read_capacity_error:
init_hw_cmds_error:
blk_cleanup_queue(dd->queue);
- blk_mq_free_tag_set(&dd->tags);
block_queue_alloc_init_error:
+ blk_mq_free_tag_set(&dd->tags);
+block_queue_alloc_tag_error:
mtip_hw_debugfs_exit(dd);
disk_index_error:
spin_lock(&rssd_index_lock);
@@ -4001,6 +4120,22 @@ protocol_init_error:
return rv;
}

+static void mtip_no_dev_cleanup(struct request *rq, void *data, bool reserv)
+{
+ struct driver_data *dd = (struct driver_data *)data;
+ struct mtip_cmd *cmd;
+
+ if (likely(!reserv))
+ blk_mq_complete_request(rq, -ENODEV);
+ else if (test_bit(MTIP_PF_IC_ACTIVE_BIT, &dd->port->flags)) {
+
+ cmd = mtip_cmd_from_tag(dd, MTIP_TAG_INTERNAL);
+ if (cmd->comp_func)
+ cmd->comp_func(dd->port, MTIP_TAG_INTERNAL,
+ cmd, -ENODEV);
+ }
+}
+
/*
* Block layer deinitialization function.
*
@@ -4032,12 +4167,23 @@ static int mtip_block_remove(struct driver_data *dd)
}
}

- if (!dd->sr)
- mtip_standby_drive(dd);
+ if (!dd->sr) {
+ /*
+ * Explicitly wait here for IOs to quiesce,
+ * as mtip_standby_drive usually won't wait for IOs.
+ */
+ if (!mtip_quiesce_io(dd->port, MTIP_QUIESCE_IO_TIMEOUT_MS,
+ GFP_KERNEL))
+ mtip_standby_drive(dd);
+ }
else
dev_info(&dd->pdev->dev, "device %s surprise removal\n",
dd->disk->disk_name);

+ blk_mq_freeze_queue_start(dd->queue);
+ blk_mq_stop_hw_queues(dd->queue);
+ blk_mq_all_tag_busy_iter(dd->tags.tags[0], mtip_no_dev_cleanup, dd);
+
/*
* Delete our gendisk structure. This also removes the device
* from /dev
@@ -4047,7 +4193,8 @@ static int mtip_block_remove(struct driver_data *dd)
dd->bdev = NULL;
}
if (dd->disk) {
- del_gendisk(dd->disk);
+ if (test_bit(MTIP_DDF_INIT_DONE_BIT, &dd->dd_flag))
+ del_gendisk(dd->disk);
if (dd->disk->queue) {
blk_cleanup_queue(dd->queue);
blk_mq_free_tag_set(&dd->tags);
@@ -4088,7 +4235,8 @@ static int mtip_block_shutdown(struct driver_data *dd)
dev_info(&dd->pdev->dev,
"Shutting down %s ...\n", dd->disk->disk_name);

- del_gendisk(dd->disk);
+ if (test_bit(MTIP_DDF_INIT_DONE_BIT, &dd->dd_flag))
+ del_gendisk(dd->disk);
if (dd->disk->queue) {
blk_cleanup_queue(dd->queue);
blk_mq_free_tag_set(&dd->tags);
@@ -4433,7 +4581,7 @@ static void mtip_pci_remove(struct pci_dev *pdev)
struct driver_data *dd = pci_get_drvdata(pdev);
unsigned long flags, to;

- set_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag);
+ set_bit(MTIP_DDF_REMOVAL_BIT, &dd->dd_flag);

spin_lock_irqsave(&dev_lock, flags);
list_del_init(&dd->online_list);
@@ -4450,12 +4598,17 @@ static void mtip_pci_remove(struct pci_dev *pdev)
} while (atomic_read(&dd->irq_workers_active) != 0 &&
time_before(jiffies, to));

+ if (!dd->sr)
+ fsync_bdev(dd->bdev);
+
if (atomic_read(&dd->irq_workers_active) != 0) {
dev_warn(&dd->pdev->dev,
"Completion workers still active!\n");
}

- blk_mq_stop_hw_queues(dd->queue);
+ blk_set_queue_dying(dd->queue);
+ set_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag);
+
/* Clean up the block layer. */
mtip_block_remove(dd);

diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h
index 3274784008eb..7617888f7944 100644
--- a/drivers/block/mtip32xx/mtip32xx.h
+++ b/drivers/block/mtip32xx/mtip32xx.h
@@ -134,16 +134,24 @@ enum {
MTIP_PF_EH_ACTIVE_BIT = 1, /* error handling */
MTIP_PF_SE_ACTIVE_BIT = 2, /* secure erase */
MTIP_PF_DM_ACTIVE_BIT = 3, /* download microcde */
+ MTIP_PF_TO_ACTIVE_BIT = 9, /* timeout handling */
MTIP_PF_PAUSE_IO = ((1 << MTIP_PF_IC_ACTIVE_BIT) |
(1 << MTIP_PF_EH_ACTIVE_BIT) |
(1 << MTIP_PF_SE_ACTIVE_BIT) |
- (1 << MTIP_PF_DM_ACTIVE_BIT)),
+ (1 << MTIP_PF_DM_ACTIVE_BIT) |
+ (1 << MTIP_PF_TO_ACTIVE_BIT)),

MTIP_PF_SVC_THD_ACTIVE_BIT = 4,
MTIP_PF_ISSUE_CMDS_BIT = 5,
MTIP_PF_REBUILD_BIT = 6,
MTIP_PF_SVC_THD_STOP_BIT = 8,

+ MTIP_PF_SVC_THD_WORK = ((1 << MTIP_PF_EH_ACTIVE_BIT) |
+ (1 << MTIP_PF_ISSUE_CMDS_BIT) |
+ (1 << MTIP_PF_REBUILD_BIT) |
+ (1 << MTIP_PF_SVC_THD_STOP_BIT) |
+ (1 << MTIP_PF_TO_ACTIVE_BIT)),
+
/* below are bit numbers in 'dd_flag' defined in driver_data */
MTIP_DDF_SEC_LOCK_BIT = 0,
MTIP_DDF_REMOVE_PENDING_BIT = 1,
@@ -153,6 +161,7 @@ enum {
MTIP_DDF_RESUME_BIT = 6,
MTIP_DDF_INIT_DONE_BIT = 7,
MTIP_DDF_REBUILD_FAILED_BIT = 8,
+ MTIP_DDF_REMOVAL_BIT = 9,

MTIP_DDF_STOP_IO = ((1 << MTIP_DDF_REMOVE_PENDING_BIT) |
(1 << MTIP_DDF_SEC_LOCK_BIT) |
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index fa893c3ec408..0beaa52df66b 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -82,6 +82,7 @@ static const struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x0489, 0xe05f) },
{ USB_DEVICE(0x0489, 0xe076) },
{ USB_DEVICE(0x0489, 0xe078) },
+ { USB_DEVICE(0x0489, 0xe095) },
{ USB_DEVICE(0x04c5, 0x1330) },
{ USB_DEVICE(0x04CA, 0x3004) },
{ USB_DEVICE(0x04CA, 0x3005) },
@@ -92,6 +93,7 @@ static const struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x04CA, 0x300d) },
{ USB_DEVICE(0x04CA, 0x300f) },
{ USB_DEVICE(0x04CA, 0x3010) },
+ { USB_DEVICE(0x04CA, 0x3014) },
{ USB_DEVICE(0x0930, 0x0219) },
{ USB_DEVICE(0x0930, 0x021c) },
{ USB_DEVICE(0x0930, 0x0220) },
@@ -113,10 +115,12 @@ static const struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x13d3, 0x3362) },
{ USB_DEVICE(0x13d3, 0x3375) },
{ USB_DEVICE(0x13d3, 0x3393) },
+ { USB_DEVICE(0x13d3, 0x3395) },
{ USB_DEVICE(0x13d3, 0x3402) },
{ USB_DEVICE(0x13d3, 0x3408) },
{ USB_DEVICE(0x13d3, 0x3423) },
{ USB_DEVICE(0x13d3, 0x3432) },
+ { USB_DEVICE(0x13d3, 0x3472) },
{ USB_DEVICE(0x13d3, 0x3474) },

/* Atheros AR5BBU12 with sflash firmware */
@@ -144,6 +148,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
@@ -154,6 +159,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
@@ -175,10 +181,12 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },

/* Atheros AR5BBU22 with sflash firmware */
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 968897108c76..79107597a594 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -196,6 +196,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
@@ -206,6 +207,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
@@ -227,10 +229,12 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },

/* Atheros AR5BBU12 with sflash firmware */
diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c
index 45cc39aabeee..252142524ff2 100644
--- a/drivers/char/tpm/tpm-chip.c
+++ b/drivers/char/tpm/tpm-chip.c
@@ -136,11 +136,13 @@ struct tpm_chip *tpmm_chip_alloc(struct device *dev,
chip->cdev.owner = chip->pdev->driver->owner;
chip->cdev.kobj.parent = &chip->dev.kobj;

+ devm_add_action(dev, (void (*)(void *)) put_device, &chip->dev);
+
return chip;
}
EXPORT_SYMBOL_GPL(tpmm_chip_alloc);

-static int tpm_dev_add_device(struct tpm_chip *chip)
+static int tpm_add_char_device(struct tpm_chip *chip)
{
int rc;

@@ -151,7 +153,6 @@ static int tpm_dev_add_device(struct tpm_chip *chip)
chip->devname, MAJOR(chip->dev.devt),
MINOR(chip->dev.devt), rc);

- device_unregister(&chip->dev);
return rc;
}

@@ -162,16 +163,17 @@ static int tpm_dev_add_device(struct tpm_chip *chip)
chip->devname, MAJOR(chip->dev.devt),
MINOR(chip->dev.devt), rc);

+ cdev_del(&chip->cdev);
return rc;
}

return rc;
}

-static void tpm_dev_del_device(struct tpm_chip *chip)
+static void tpm_del_char_device(struct tpm_chip *chip)
{
cdev_del(&chip->cdev);
- device_unregister(&chip->dev);
+ device_del(&chip->dev);
}

static int tpm1_chip_register(struct tpm_chip *chip)
@@ -222,7 +224,7 @@ int tpm_chip_register(struct tpm_chip *chip)

tpm_add_ppi(chip);

- rc = tpm_dev_add_device(chip);
+ rc = tpm_add_char_device(chip);
if (rc)
goto out_err;

@@ -274,6 +276,6 @@ void tpm_chip_unregister(struct tpm_chip *chip)
sysfs_remove_link(&chip->pdev->kobj, "ppi");

tpm1_chip_unregister(chip);
- tpm_dev_del_device(chip);
+ tpm_del_char_device(chip);
}
EXPORT_SYMBOL_GPL(tpm_chip_unregister);
diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 4bb9727c1047..61e64293b765 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -310,11 +310,11 @@ static int crb_acpi_remove(struct acpi_device *device)
struct device *dev = &device->dev;
struct tpm_chip *chip = dev_get_drvdata(dev);

- tpm_chip_unregister(chip);
-
if (chip->flags & TPM_CHIP_FLAG_TPM2)
tpm2_shutdown(chip, TPM2_SU_CLEAR);

+ tpm_chip_unregister(chip);
+
return 0;
}

diff --git a/drivers/char/tpm/tpm_eventlog.c b/drivers/char/tpm/tpm_eventlog.c
index bd72fb04225e..4e6940acf639 100644
--- a/drivers/char/tpm/tpm_eventlog.c
+++ b/drivers/char/tpm/tpm_eventlog.c
@@ -232,7 +232,7 @@ static int tpm_binary_bios_measurements_show(struct seq_file *m, void *v)
{
struct tcpa_event *event = v;
struct tcpa_event temp_event;
- char *tempPtr;
+ char *temp_ptr;
int i;

memcpy(&temp_event, event, sizeof(struct tcpa_event));
@@ -242,10 +242,16 @@ static int tpm_binary_bios_measurements_show(struct seq_file *m, void *v)
temp_event.event_type = do_endian_conversion(event->event_type);
temp_event.event_size = do_endian_conversion(event->event_size);

- tempPtr = (char *)&temp_event;
+ temp_ptr = (char *) &temp_event;

- for (i = 0; i < sizeof(struct tcpa_event) + temp_event.event_size; i++)
- seq_putc(m, tempPtr[i]);
+ for (i = 0; i < (sizeof(struct tcpa_event) - 1) ; i++)
+ seq_putc(m, temp_ptr[i]);
+
+ temp_ptr = (char *) v;
+
+ for (i = (sizeof(struct tcpa_event) - 1);
+ i < (sizeof(struct tcpa_event) + temp_event.event_size); i++)
+ seq_putc(m, temp_ptr[i]);

return 0;

diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index 39bf5820297e..4f9830c1b121 100644
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -1097,13 +1097,15 @@ static int bcm2835_pll_divider_set_rate(struct clk_hw *hw,
struct bcm2835_pll_divider *divider = bcm2835_pll_divider_from_hw(hw);
struct bcm2835_cprman *cprman = divider->cprman;
const struct bcm2835_pll_divider_data *data = divider->data;
- u32 cm;
- int ret;
+ u32 cm, div, max_div = 1 << A2W_PLL_DIV_BITS;

- ret = clk_divider_ops.set_rate(hw, rate, parent_rate);
- if (ret)
- return ret;
+ div = DIV_ROUND_UP_ULL(parent_rate, rate);
+
+ div = min(div, max_div);
+ if (div == max_div)
+ div = 0;

+ cprman_write(cprman, data->a2w_reg, div);
cm = cprman_read(cprman, data->cm_reg);
cprman_write(cprman, data->cm_reg, cm | data->load_mask);
cprman_write(cprman, data->cm_reg, cm & ~data->load_mask);
diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c
index abb47608713b..fe728f8dcbe4 100644
--- a/drivers/clk/rockchip/clk-rk3188.c
+++ b/drivers/clk/rockchip/clk-rk3188.c
@@ -718,6 +718,7 @@ static const char *const rk3188_critical_clocks[] __initconst = {
"hclk_peri",
"pclk_cpu",
"pclk_peri",
+ "hclk_cpubus"
};

static void __init rk3188_common_clk_init(struct device_node *np)
diff --git a/drivers/clk/rockchip/clk-rk3368.c b/drivers/clk/rockchip/clk-rk3368.c
index 7e6b783e6eee..1b148694b633 100644
--- a/drivers/clk/rockchip/clk-rk3368.c
+++ b/drivers/clk/rockchip/clk-rk3368.c
@@ -165,7 +165,7 @@ static const struct rockchip_cpuclk_reg_data rk3368_cpuclkb_data = {
.core_reg = RK3368_CLKSEL_CON(0),
.div_core_shift = 0,
.div_core_mask = 0x1f,
- .mux_core_shift = 15,
+ .mux_core_shift = 7,
};

static const struct rockchip_cpuclk_reg_data rk3368_cpuclkl_data = {
@@ -218,29 +218,29 @@ static const struct rockchip_cpuclk_reg_data rk3368_cpuclkl_data = {
}

static struct rockchip_cpuclk_rate_table rk3368_cpuclkb_rates[] __initdata = {
- RK3368_CPUCLKB_RATE(1512000000, 2, 6, 6),
- RK3368_CPUCLKB_RATE(1488000000, 2, 5, 5),
- RK3368_CPUCLKB_RATE(1416000000, 2, 5, 5),
- RK3368_CPUCLKB_RATE(1200000000, 2, 4, 4),
- RK3368_CPUCLKB_RATE(1008000000, 2, 4, 4),
- RK3368_CPUCLKB_RATE( 816000000, 2, 3, 3),
- RK3368_CPUCLKB_RATE( 696000000, 2, 3, 3),
- RK3368_CPUCLKB_RATE( 600000000, 2, 2, 2),
- RK3368_CPUCLKB_RATE( 408000000, 2, 2, 2),
- RK3368_CPUCLKB_RATE( 312000000, 2, 2, 2),
+ RK3368_CPUCLKB_RATE(1512000000, 1, 5, 5),
+ RK3368_CPUCLKB_RATE(1488000000, 1, 4, 4),
+ RK3368_CPUCLKB_RATE(1416000000, 1, 4, 4),
+ RK3368_CPUCLKB_RATE(1200000000, 1, 3, 3),
+ RK3368_CPUCLKB_RATE(1008000000, 1, 3, 3),
+ RK3368_CPUCLKB_RATE( 816000000, 1, 2, 2),
+ RK3368_CPUCLKB_RATE( 696000000, 1, 2, 2),
+ RK3368_CPUCLKB_RATE( 600000000, 1, 1, 1),
+ RK3368_CPUCLKB_RATE( 408000000, 1, 1, 1),
+ RK3368_CPUCLKB_RATE( 312000000, 1, 1, 1),
};

static struct rockchip_cpuclk_rate_table rk3368_cpuclkl_rates[] __initdata = {
- RK3368_CPUCLKL_RATE(1512000000, 2, 7, 7),
- RK3368_CPUCLKL_RATE(1488000000, 2, 6, 6),
- RK3368_CPUCLKL_RATE(1416000000, 2, 6, 6),
- RK3368_CPUCLKL_RATE(1200000000, 2, 5, 5),
- RK3368_CPUCLKL_RATE(1008000000, 2, 5, 5),
- RK3368_CPUCLKL_RATE( 816000000, 2, 4, 4),
- RK3368_CPUCLKL_RATE( 696000000, 2, 3, 3),
- RK3368_CPUCLKL_RATE( 600000000, 2, 3, 3),
- RK3368_CPUCLKL_RATE( 408000000, 2, 2, 2),
- RK3368_CPUCLKL_RATE( 312000000, 2, 2, 2),
+ RK3368_CPUCLKL_RATE(1512000000, 1, 6, 6),
+ RK3368_CPUCLKL_RATE(1488000000, 1, 5, 5),
+ RK3368_CPUCLKL_RATE(1416000000, 1, 5, 5),
+ RK3368_CPUCLKL_RATE(1200000000, 1, 4, 4),
+ RK3368_CPUCLKL_RATE(1008000000, 1, 4, 4),
+ RK3368_CPUCLKL_RATE( 816000000, 1, 3, 3),
+ RK3368_CPUCLKL_RATE( 696000000, 1, 2, 2),
+ RK3368_CPUCLKL_RATE( 600000000, 1, 2, 2),
+ RK3368_CPUCLKL_RATE( 408000000, 1, 1, 1),
+ RK3368_CPUCLKL_RATE( 312000000, 1, 1, 1),
};

static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = {
@@ -384,10 +384,10 @@ static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = {
* Clock-Architecture Diagram 3
*/

- COMPOSITE(0, "aclk_vepu", mux_pll_src_cpll_gpll_usb_p, 0,
+ COMPOSITE(0, "aclk_vepu", mux_pll_src_cpll_gpll_npll_usb_p, 0,
RK3368_CLKSEL_CON(15), 6, 2, MFLAGS, 0, 5, DFLAGS,
RK3368_CLKGATE_CON(4), 6, GFLAGS),
- COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_usb_p, 0,
+ COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_npll_usb_p, 0,
RK3368_CLKSEL_CON(15), 14, 2, MFLAGS, 8, 5, DFLAGS,
RK3368_CLKGATE_CON(4), 7, GFLAGS),

@@ -442,7 +442,7 @@ static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = {
GATE(SCLK_HDMI_HDCP, "sclk_hdmi_hdcp", "xin24m", 0,
RK3368_CLKGATE_CON(4), 13, GFLAGS),
GATE(SCLK_HDMI_CEC, "sclk_hdmi_cec", "xin32k", 0,
- RK3368_CLKGATE_CON(5), 12, GFLAGS),
+ RK3368_CLKGATE_CON(4), 12, GFLAGS),

COMPOSITE_NODIV(0, "vip_src", mux_pll_src_cpll_gpll_p, 0,
RK3368_CLKSEL_CON(21), 15, 1, MFLAGS,
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index fb16d812c8f5..1dffb13e5c2f 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -1396,9 +1396,9 @@ static int atmel_aes_probe(struct platform_device *pdev)
}

aes_dd->io_base = devm_ioremap_resource(&pdev->dev, aes_res);
- if (!aes_dd->io_base) {
+ if (IS_ERR(aes_dd->io_base)) {
dev_err(dev, "can't ioremap\n");
- err = -ENOMEM;
+ err = PTR_ERR(aes_dd->io_base);
goto res_err;
}

diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index 3178f84d2757..0dadb6332f0e 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -1405,9 +1405,9 @@ static int atmel_sha_probe(struct platform_device *pdev)
}

sha_dd->io_base = devm_ioremap_resource(&pdev->dev, sha_res);
- if (!sha_dd->io_base) {
+ if (IS_ERR(sha_dd->io_base)) {
dev_err(dev, "can't ioremap\n");
- err = -ENOMEM;
+ err = PTR_ERR(sha_dd->io_base);
goto res_err;
}

diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c
index 2c7a628d0375..bf467d7be35c 100644
--- a/drivers/crypto/atmel-tdes.c
+++ b/drivers/crypto/atmel-tdes.c
@@ -1417,9 +1417,9 @@ static int atmel_tdes_probe(struct platform_device *pdev)
}

tdes_dd->io_base = devm_ioremap_resource(&pdev->dev, tdes_res);
- if (!tdes_dd->io_base) {
+ if (IS_ERR(tdes_dd->io_base)) {
dev_err(dev, "can't ioremap\n");
- err = -ENOMEM;
+ err = PTR_ERR(tdes_dd->io_base);
goto res_err;
}

diff --git a/drivers/crypto/ccp/ccp-crypto-aes-cmac.c b/drivers/crypto/ccp/ccp-crypto-aes-cmac.c
index d89f20c04266..3d9acc53d247 100644
--- a/drivers/crypto/ccp/ccp-crypto-aes-cmac.c
+++ b/drivers/crypto/ccp/ccp-crypto-aes-cmac.c
@@ -220,6 +220,39 @@ static int ccp_aes_cmac_digest(struct ahash_request *req)
return ccp_aes_cmac_finup(req);
}

+static int ccp_aes_cmac_export(struct ahash_request *req, void *out)
+{
+ struct ccp_aes_cmac_req_ctx *rctx = ahash_request_ctx(req);
+ struct ccp_aes_cmac_exp_ctx state;
+
+ state.null_msg = rctx->null_msg;
+ memcpy(state.iv, rctx->iv, sizeof(state.iv));
+ state.buf_count = rctx->buf_count;
+ memcpy(state.buf, rctx->buf, sizeof(state.buf));
+
+ /* 'out' may not be aligned so memcpy from local variable */
+ memcpy(out, &state, sizeof(state));
+
+ return 0;
+}
+
+static int ccp_aes_cmac_import(struct ahash_request *req, const void *in)
+{
+ struct ccp_aes_cmac_req_ctx *rctx = ahash_request_ctx(req);
+ struct ccp_aes_cmac_exp_ctx state;
+
+ /* 'in' may not be aligned so memcpy to local variable */
+ memcpy(&state, in, sizeof(state));
+
+ memset(rctx, 0, sizeof(*rctx));
+ rctx->null_msg = state.null_msg;
+ memcpy(rctx->iv, state.iv, sizeof(rctx->iv));
+ rctx->buf_count = state.buf_count;
+ memcpy(rctx->buf, state.buf, sizeof(rctx->buf));
+
+ return 0;
+}
+
static int ccp_aes_cmac_setkey(struct crypto_ahash *tfm, const u8 *key,
unsigned int key_len)
{
@@ -352,10 +385,13 @@ int ccp_register_aes_cmac_algs(struct list_head *head)
alg->final = ccp_aes_cmac_final;
alg->finup = ccp_aes_cmac_finup;
alg->digest = ccp_aes_cmac_digest;
+ alg->export = ccp_aes_cmac_export;
+ alg->import = ccp_aes_cmac_import;
alg->setkey = ccp_aes_cmac_setkey;

halg = &alg->halg;
halg->digestsize = AES_BLOCK_SIZE;
+ halg->statesize = sizeof(struct ccp_aes_cmac_exp_ctx);

base = &halg->base;
snprintf(base->cra_name, CRYPTO_MAX_ALG_NAME, "cmac(aes)");
diff --git a/drivers/crypto/ccp/ccp-crypto-sha.c b/drivers/crypto/ccp/ccp-crypto-sha.c
index d14b3f28e010..8ef06fad8b14 100644
--- a/drivers/crypto/ccp/ccp-crypto-sha.c
+++ b/drivers/crypto/ccp/ccp-crypto-sha.c
@@ -207,6 +207,43 @@ static int ccp_sha_digest(struct ahash_request *req)
return ccp_sha_finup(req);
}

+static int ccp_sha_export(struct ahash_request *req, void *out)
+{
+ struct ccp_sha_req_ctx *rctx = ahash_request_ctx(req);
+ struct ccp_sha_exp_ctx state;
+
+ state.type = rctx->type;
+ state.msg_bits = rctx->msg_bits;
+ state.first = rctx->first;
+ memcpy(state.ctx, rctx->ctx, sizeof(state.ctx));
+ state.buf_count = rctx->buf_count;
+ memcpy(state.buf, rctx->buf, sizeof(state.buf));
+
+ /* 'out' may not be aligned so memcpy from local variable */
+ memcpy(out, &state, sizeof(state));
+
+ return 0;
+}
+
+static int ccp_sha_import(struct ahash_request *req, const void *in)
+{
+ struct ccp_sha_req_ctx *rctx = ahash_request_ctx(req);
+ struct ccp_sha_exp_ctx state;
+
+ /* 'in' may not be aligned so memcpy to local variable */
+ memcpy(&state, in, sizeof(state));
+
+ memset(rctx, 0, sizeof(*rctx));
+ rctx->type = state.type;
+ rctx->msg_bits = state.msg_bits;
+ rctx->first = state.first;
+ memcpy(rctx->ctx, state.ctx, sizeof(rctx->ctx));
+ rctx->buf_count = state.buf_count;
+ memcpy(rctx->buf, state.buf, sizeof(rctx->buf));
+
+ return 0;
+}
+
static int ccp_sha_setkey(struct crypto_ahash *tfm, const u8 *key,
unsigned int key_len)
{
@@ -403,9 +440,12 @@ static int ccp_register_sha_alg(struct list_head *head,
alg->final = ccp_sha_final;
alg->finup = ccp_sha_finup;
alg->digest = ccp_sha_digest;
+ alg->export = ccp_sha_export;
+ alg->import = ccp_sha_import;

halg = &alg->halg;
halg->digestsize = def->digest_size;
+ halg->statesize = sizeof(struct ccp_sha_exp_ctx);

base = &halg->base;
snprintf(base->cra_name, CRYPTO_MAX_ALG_NAME, "%s", def->name);
diff --git a/drivers/crypto/ccp/ccp-crypto.h b/drivers/crypto/ccp/ccp-crypto.h
index 76a96f0f44c6..a326ec20bfa8 100644
--- a/drivers/crypto/ccp/ccp-crypto.h
+++ b/drivers/crypto/ccp/ccp-crypto.h
@@ -129,6 +129,15 @@ struct ccp_aes_cmac_req_ctx {
struct ccp_cmd cmd;
};

+struct ccp_aes_cmac_exp_ctx {
+ unsigned int null_msg;
+
+ u8 iv[AES_BLOCK_SIZE];
+
+ unsigned int buf_count;
+ u8 buf[AES_BLOCK_SIZE];
+};
+
/***** SHA related defines *****/
#define MAX_SHA_CONTEXT_SIZE SHA256_DIGEST_SIZE
#define MAX_SHA_BLOCK_SIZE SHA256_BLOCK_SIZE
@@ -171,6 +180,19 @@ struct ccp_sha_req_ctx {
struct ccp_cmd cmd;
};

+struct ccp_sha_exp_ctx {
+ enum ccp_sha_type type;
+
+ u64 msg_bits;
+
+ unsigned int first;
+
+ u8 ctx[MAX_SHA_CONTEXT_SIZE];
+
+ unsigned int buf_count;
+ u8 buf[MAX_SHA_BLOCK_SIZE];
+};
+
/***** Common Context Structure *****/
struct ccp_ctx {
int (*complete)(struct crypto_async_request *req, int ret);
diff --git a/drivers/crypto/marvell/cesa.c b/drivers/crypto/marvell/cesa.c
index c0656e7f37b5..80239ae69527 100644
--- a/drivers/crypto/marvell/cesa.c
+++ b/drivers/crypto/marvell/cesa.c
@@ -420,7 +420,7 @@ static int mv_cesa_probe(struct platform_device *pdev)
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
cesa->regs = devm_ioremap_resource(dev, res);
if (IS_ERR(cesa->regs))
- return -ENOMEM;
+ return PTR_ERR(cesa->regs);

ret = mv_cesa_dev_dma_init(cesa);
if (ret)
diff --git a/drivers/crypto/ux500/cryp/cryp_core.c b/drivers/crypto/ux500/cryp/cryp_core.c
index 4c243c1ffc7f..790f7cadc1ed 100644
--- a/drivers/crypto/ux500/cryp/cryp_core.c
+++ b/drivers/crypto/ux500/cryp/cryp_core.c
@@ -1440,9 +1440,9 @@ static int ux500_cryp_probe(struct platform_device *pdev)

device_data->phybase = res->start;
device_data->base = devm_ioremap_resource(dev, res);
- if (!device_data->base) {
+ if (IS_ERR(device_data->base)) {
dev_err(dev, "[%s]: ioremap failed!", __func__);
- ret = -ENOMEM;
+ ret = PTR_ERR(device_data->base);
goto out;
}

diff --git a/drivers/crypto/ux500/hash/hash_core.c b/drivers/crypto/ux500/hash/hash_core.c
index f47d112041b2..66b1c3313e2e 100644
--- a/drivers/crypto/ux500/hash/hash_core.c
+++ b/drivers/crypto/ux500/hash/hash_core.c
@@ -1675,9 +1675,9 @@ static int ux500_hash_probe(struct platform_device *pdev)

device_data->phybase = res->start;
device_data->base = devm_ioremap_resource(dev, res);
- if (!device_data->base) {
+ if (IS_ERR(device_data->base)) {
dev_err(dev, "%s: ioremap() failed!\n", __func__);
- ret = -ENOMEM;
+ ret = PTR_ERR(device_data->base);
goto out;
}
spin_lock_init(&device_data->ctx_lock);
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 9eee13ef83a5..d87a47547ba5 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1452,7 +1452,7 @@ static u64 f1x_get_norm_dct_addr(struct amd64_pvt *pvt, u8 range,
u64 chan_off;
u64 dram_base = get_dram_base(pvt, range);
u64 hole_off = f10_dhar_offset(pvt);
- u64 dct_sel_base_off = (pvt->dct_sel_hi & 0xFFFFFC00) << 16;
+ u64 dct_sel_base_off = (u64)(pvt->dct_sel_hi & 0xFFFFFC00) << 16;

if (hi_rng) {
/*
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index 429309c62699..cbee3179ec08 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -1117,8 +1117,8 @@ static void get_memory_layout(const struct mem_ctl_info *mci)
edac_dbg(0, "TAD#%d: up to %u.%03u GB (0x%016Lx), socket interleave %d, memory interleave %d, TGT: %d, %d, %d, %d, reg=0x%08x\n",
n_tads, gb, (mb*1000)/1024,
((u64)tmp_mb) << 20L,
- (u32)TAD_SOCK(reg),
- (u32)TAD_CH(reg),
+ (u32)(1 << TAD_SOCK(reg)),
+ (u32)TAD_CH(reg) + 1,
(u32)TAD_TGT0(reg),
(u32)TAD_TGT1(reg),
(u32)TAD_TGT2(reg),
@@ -1396,7 +1396,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
}

ch_way = TAD_CH(reg) + 1;
- sck_way = TAD_SOCK(reg) + 1;
+ sck_way = 1 << TAD_SOCK(reg);

if (ch_way == 3)
idx = addr >> 6;
@@ -1453,7 +1453,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
n_tads,
addr,
limit,
- (u32)TAD_SOCK(reg),
+ sck_way,
ch_way,
offset,
idx,
@@ -1468,18 +1468,12 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
offset, addr);
return -EINVAL;
}
- addr -= offset;
- /* Store the low bits [0:6] of the addr */
- ch_addr = addr & 0x7f;
- /* Remove socket wayness and remove 6 bits */
- addr >>= 6;
- addr = div_u64(addr, sck_xch);
-#if 0
- /* Divide by channel way */
- addr = addr / ch_way;
-#endif
- /* Recover the last 6 bits */
- ch_addr |= addr << 6;
+
+ ch_addr = addr - offset;
+ ch_addr >>= (6 + shiftup);
+ ch_addr /= ch_way * sck_way;
+ ch_addr <<= (6 + shiftup);
+ ch_addr |= addr & ((1 << (6 + shiftup)) - 1);

/*
* Step 3) Decode rank
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
index 5a8fbadbd27b..8ac49812a716 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
@@ -63,6 +63,10 @@ bool amdgpu_has_atpx(void) {
return amdgpu_atpx_priv.atpx_detected;
}

+bool amdgpu_has_atpx_dgpu_power_cntl(void) {
+ return amdgpu_atpx_priv.atpx.functions.power_cntl;
+}
+
/**
* amdgpu_atpx_call - call an ATPX method
*
@@ -142,10 +146,6 @@ static void amdgpu_atpx_parse_functions(struct amdgpu_atpx_functions *f, u32 mas
*/
static int amdgpu_atpx_validate(struct amdgpu_atpx *atpx)
{
- /* make sure required functions are enabled */
- /* dGPU power control is required */
- atpx->functions.power_cntl = true;
-
if (atpx->functions.px_params) {
union acpi_object *info;
struct atpx_px_params output;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index c961fe093e12..9d88023df836 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -61,6 +61,12 @@ static const char *amdgpu_asic_name[] = {
"LAST",
};

+#if defined(CONFIG_VGA_SWITCHEROO)
+bool amdgpu_has_atpx_dgpu_power_cntl(void);
+#else
+static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
+#endif
+
bool amdgpu_device_is_px(struct drm_device *dev)
{
struct amdgpu_device *adev = dev->dev_private;
@@ -1469,7 +1475,7 @@ int amdgpu_device_init(struct amdgpu_device *adev,

if (amdgpu_runtime_pm == 1)
runtime = true;
- if (amdgpu_device_is_px(ddev))
+ if (amdgpu_device_is_px(ddev) && amdgpu_has_atpx_dgpu_power_cntl())
runtime = true;
vga_switcheroo_register_client(adev->pdev, &amdgpu_switcheroo_ops, runtime);
if (runtime)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
index 2cf50180cc51..b1c7a9b3631b 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
@@ -32,8 +32,8 @@
#include "oss/oss_2_4_d.h"
#include "oss/oss_2_4_sh_mask.h"

-#include "gmc/gmc_8_1_d.h"
-#include "gmc/gmc_8_1_sh_mask.h"
+#include "gmc/gmc_7_1_d.h"
+#include "gmc/gmc_7_1_sh_mask.h"

#include "gca/gfx_8_0_d.h"
#include "gca/gfx_8_0_enum.h"
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index bb292143997e..adf74f4366bb 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -892,8 +892,6 @@ atombios_dig_encoder_setup2(struct drm_encoder *encoder, int action, int panel_m
else
args.v1.ucLaneNum = 4;

- if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode) && (dp_clock == 270000))
- args.v1.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
args.v1.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER1;
@@ -910,6 +908,10 @@ atombios_dig_encoder_setup2(struct drm_encoder *encoder, int action, int panel_m
args.v1.ucConfig |= ATOM_ENCODER_CONFIG_LINKB;
else
args.v1.ucConfig |= ATOM_ENCODER_CONFIG_LINKA;
+
+ if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode) && (dp_clock == 270000))
+ args.v1.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
+
break;
case 2:
case 3:
diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index c4b4f298a283..9bc408c9f9f6 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -62,6 +62,10 @@ bool radeon_has_atpx(void) {
return radeon_atpx_priv.atpx_detected;
}

+bool radeon_has_atpx_dgpu_power_cntl(void) {
+ return radeon_atpx_priv.atpx.functions.power_cntl;
+}
+
/**
* radeon_atpx_call - call an ATPX method
*
@@ -141,10 +145,6 @@ static void radeon_atpx_parse_functions(struct radeon_atpx_functions *f, u32 mas
*/
static int radeon_atpx_validate(struct radeon_atpx *atpx)
{
- /* make sure required functions are enabled */
- /* dGPU power control is required */
- atpx->functions.power_cntl = true;
-
if (atpx->functions.px_params) {
union acpi_object *info;
struct atpx_px_params output;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index c566993a2ec3..f78f111e68de 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -103,6 +103,12 @@ static const char radeon_family_name[][16] = {
"LAST",
};

+#if defined(CONFIG_VGA_SWITCHEROO)
+bool radeon_has_atpx_dgpu_power_cntl(void);
+#else
+static inline bool radeon_has_atpx_dgpu_power_cntl(void) { return false; }
+#endif
+
#define RADEON_PX_QUIRK_DISABLE_PX (1 << 0)
#define RADEON_PX_QUIRK_LONG_WAKEUP (1 << 1)

@@ -1433,7 +1439,7 @@ int radeon_device_init(struct radeon_device *rdev,
* ignore it */
vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode);

- if (rdev->flags & RADEON_IS_PX)
+ if ((rdev->flags & RADEON_IS_PX) && radeon_has_atpx_dgpu_power_cntl())
runtime = true;
vga_switcheroo_register_client(rdev->pdev, &radeon_switcheroo_ops, runtime);
if (runtime)
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index c6f7a694f67a..ec791e169f8f 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1897,6 +1897,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
@@ -2615,9 +2616,10 @@ int hid_add_device(struct hid_device *hdev)
/*
* Scan generic devices for group information
*/
- if (hid_ignore_special_drivers ||
- (!hdev->group &&
- !hid_match_id(hdev, hid_have_special_driver))) {
+ if (hid_ignore_special_drivers) {
+ hdev->group = HID_GROUP_GENERIC;
+ } else if (!hdev->group &&
+ !hid_match_id(hdev, hid_have_special_driver)) {
ret = hid_scan_report(hdev);
if (ret)
hid_warn(hdev, "bad device descriptor (%d)\n", ret);
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 2b8ff18d3713..c5ec4f915594 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -396,6 +396,11 @@ static void mt_feature_mapping(struct hid_device *hdev,
td->is_buttonpad = true;

break;
+ case 0xff0000c5:
+ /* Retrieve the Win8 blob once to enable some devices */
+ if (usage->usage_index == 0)
+ mt_get_feature(hdev, field->report);
+ break;
}
}

diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index 10bd8e6e4c9c..0b80633bae91 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -282,17 +282,21 @@ static int i2c_hid_set_or_send_report(struct i2c_client *client, u8 reportType,
u16 dataRegister = le16_to_cpu(ihid->hdesc.wDataRegister);
u16 outputRegister = le16_to_cpu(ihid->hdesc.wOutputRegister);
u16 maxOutputLength = le16_to_cpu(ihid->hdesc.wMaxOutputLength);
+ u16 size;
+ int args_len;
+ int index = 0;
+
+ i2c_hid_dbg(ihid, "%s\n", __func__);
+
+ if (data_len > ihid->bufsize)
+ return -EINVAL;

- /* hid_hw_* already checked that data_len < HID_MAX_BUFFER_SIZE */
- u16 size = 2 /* size */ +
+ size = 2 /* size */ +
(reportID ? 1 : 0) /* reportID */ +
data_len /* buf */;
- int args_len = (reportID >= 0x0F ? 1 : 0) /* optional third byte */ +
+ args_len = (reportID >= 0x0F ? 1 : 0) /* optional third byte */ +
2 /* dataRegister */ +
size /* args */;
- int index = 0;
-
- i2c_hid_dbg(ihid, "%s\n", __func__);

if (!use_data && maxOutputLength == 0)
return -ENOSYS;
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index cd4510a63375..146eed70bdf4 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -65,7 +65,7 @@
#include <asm/mwait.h>
#include <asm/msr.h>

-#define INTEL_IDLE_VERSION "0.4"
+#define INTEL_IDLE_VERSION "0.4.1"
#define PREFIX "intel_idle: "

static struct cpuidle_driver intel_idle_driver = {
@@ -994,36 +994,92 @@ static void intel_idle_cpuidle_devices_uninit(void)
}

/*
- * intel_idle_state_table_update()
- *
- * Update the default state_table for this CPU-id
+ * ivt_idle_state_table_update(void)
*
- * Currently used to access tuned IVT multi-socket targets
+ * Tune IVT multi-socket targets
* Assumption: num_sockets == (max_package_num + 1)
*/
-void intel_idle_state_table_update(void)
+static void ivt_idle_state_table_update(void)
{
/* IVT uses a different table for 1-2, 3-4, and > 4 sockets */
- if (boot_cpu_data.x86_model == 0x3e) { /* IVT */
- int cpu, package_num, num_sockets = 1;
-
- for_each_online_cpu(cpu) {
- package_num = topology_physical_package_id(cpu);
- if (package_num + 1 > num_sockets) {
- num_sockets = package_num + 1;
-
- if (num_sockets > 4) {
- cpuidle_state_table = ivt_cstates_8s;
- return;
- }
+ int cpu, package_num, num_sockets = 1;
+
+ for_each_online_cpu(cpu) {
+ package_num = topology_physical_package_id(cpu);
+ if (package_num + 1 > num_sockets) {
+ num_sockets = package_num + 1;
+
+ if (num_sockets > 4) {
+ cpuidle_state_table = ivt_cstates_8s;
+ return;
}
}
+ }
+
+ if (num_sockets > 2)
+ cpuidle_state_table = ivt_cstates_4s;
+
+ /* else, 1 and 2 socket systems use default ivt_cstates */
+}
+/*
+ * sklh_idle_state_table_update(void)
+ *
+ * On SKL-H (model 0x5e) disable C8 and C9 if:
+ * C10 is enabled and SGX disabled
+ */
+static void sklh_idle_state_table_update(void)
+{
+ unsigned long long msr;
+ unsigned int eax, ebx, ecx, edx;
+
+
+ /* if PC10 disabled via cmdline intel_idle.max_cstate=7 or shallower */
+ if (max_cstate <= 7)
+ return;
+
+ /* if PC10 not present in CPUID.MWAIT.EDX */
+ if ((mwait_substates & (0xF << 28)) == 0)
+ return;
+
+ rdmsrl(MSR_NHM_SNB_PKG_CST_CFG_CTL, msr);
+
+ /* PC10 is not enabled in PKG C-state limit */
+ if ((msr & 0xF) != 8)
+ return;
+
+ ecx = 0;
+ cpuid(7, &eax, &ebx, &ecx, &edx);
+
+ /* if SGX is present */
+ if (ebx & (1 << 2)) {

- if (num_sockets > 2)
- cpuidle_state_table = ivt_cstates_4s;
- /* else, 1 and 2 socket systems use default ivt_cstates */
+ rdmsrl(MSR_IA32_FEATURE_CONTROL, msr);
+
+ /* if SGX is enabled */
+ if (msr & (1 << 18))
+ return;
+ }
+
+ skl_cstates[5].disabled = 1; /* C8-SKL */
+ skl_cstates[6].disabled = 1; /* C9-SKL */
+}
+/*
+ * intel_idle_state_table_update()
+ *
+ * Update the default state_table for this CPU-id
+ */
+
+static void intel_idle_state_table_update(void)
+{
+ switch (boot_cpu_data.x86_model) {
+
+ case 0x3e: /* IVT */
+ ivt_idle_state_table_update();
+ break;
+ case 0x5e: /* SKL-H */
+ sklh_idle_state_table_update();
+ break;
}
- return;
}

/*
@@ -1063,6 +1119,14 @@ static int __init intel_idle_cpuidle_driver_init(void)
if (num_substates == 0)
continue;

+ /* if state marked as disabled, skip it */
+ if (cpuidle_state_table[cstate].disabled != 0) {
+ pr_debug(PREFIX "state %s is disabled",
+ cpuidle_state_table[cstate].name);
+ continue;
+ }
+
+
if (((mwait_cstate + 1) > 2) &&
!boot_cpu_has(X86_FEATURE_NONSTOP_TSC))
mark_tsc_unstable("TSC halts in idle"
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index f357ca67a41c..87799de90a1d 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -456,7 +456,10 @@ out_locked:
return status;
}

-static void ipoib_mcast_join(struct net_device *dev, struct ipoib_mcast *mcast)
+/*
+ * Caller must hold 'priv->lock'
+ */
+static int ipoib_mcast_join(struct net_device *dev, struct ipoib_mcast *mcast)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ib_sa_multicast *multicast;
@@ -466,6 +469,10 @@ static void ipoib_mcast_join(struct net_device *dev, struct ipoib_mcast *mcast)
ib_sa_comp_mask comp_mask;
int ret = 0;

+ if (!priv->broadcast ||
+ !test_bit(IPOIB_FLAG_OPER_UP, &priv->flags))
+ return -EINVAL;
+
ipoib_dbg_mcast(priv, "joining MGID %pI6\n", mcast->mcmember.mgid.raw);

rec.mgid = mcast->mcmember.mgid;
@@ -525,20 +532,23 @@ static void ipoib_mcast_join(struct net_device *dev, struct ipoib_mcast *mcast)
rec.join_state = 4;
#endif
}
+ spin_unlock_irq(&priv->lock);

multicast = ib_sa_join_multicast(&ipoib_sa_client, priv->ca, priv->port,
&rec, comp_mask, GFP_KERNEL,
ipoib_mcast_join_complete, mcast);
+ spin_lock_irq(&priv->lock);
if (IS_ERR(multicast)) {
ret = PTR_ERR(multicast);
ipoib_warn(priv, "ib_sa_join_multicast failed, status %d\n", ret);
- spin_lock_irq(&priv->lock);
/* Requeue this join task with a backoff delay */
__ipoib_mcast_schedule_join_thread(priv, mcast, 1);
clear_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags);
spin_unlock_irq(&priv->lock);
complete(&mcast->done);
+ spin_lock_irq(&priv->lock);
}
+ return 0;
}

void ipoib_mcast_join_task(struct work_struct *work)
@@ -620,9 +630,10 @@ void ipoib_mcast_join_task(struct work_struct *work)
/* Found the next unjoined group */
init_completion(&mcast->done);
set_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags);
- spin_unlock_irq(&priv->lock);
- ipoib_mcast_join(dev, mcast);
- spin_lock_irq(&priv->lock);
+ if (ipoib_mcast_join(dev, mcast)) {
+ spin_unlock_irq(&priv->lock);
+ return;
+ }
} else if (!delay_until ||
time_before(mcast->delay_until, delay_until))
delay_until = mcast->delay_until;
@@ -641,10 +652,9 @@ out:
if (mcast) {
init_completion(&mcast->done);
set_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags);
+ ipoib_mcast_join(dev, mcast);
}
spin_unlock_irq(&priv->lock);
- if (mcast)
- ipoib_mcast_join(dev, mcast);
}

int ipoib_mcast_start_thread(struct net_device *dev)
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 8a51c3b5d657..b0edb66a291b 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -66,6 +66,7 @@ isert_rdma_accept(struct isert_conn *isert_conn);
struct rdma_cm_id *isert_setup_id(struct isert_np *isert_np);

static void isert_release_work(struct work_struct *work);
+static void isert_wait4flush(struct isert_conn *isert_conn);

static inline bool
isert_prot_cmd(struct isert_conn *conn, struct se_cmd *cmd)
@@ -815,12 +816,31 @@ isert_put_conn(struct isert_conn *isert_conn)
kref_put(&isert_conn->kref, isert_release_kref);
}

+static void
+isert_handle_unbound_conn(struct isert_conn *isert_conn)
+{
+ struct isert_np *isert_np = isert_conn->cm_id->context;
+
+ mutex_lock(&isert_np->mutex);
+ if (!list_empty(&isert_conn->node)) {
+ /*
+ * This means iscsi doesn't know this connection
+ * so schedule a cleanup ourselves
+ */
+ list_del_init(&isert_conn->node);
+ isert_put_conn(isert_conn);
+ complete(&isert_conn->wait);
+ queue_work(isert_release_wq, &isert_conn->release_work);
+ }
+ mutex_unlock(&isert_np->mutex);
+}
+
/**
* isert_conn_terminate() - Initiate connection termination
* @isert_conn: isert connection struct
*
* Notes:
- * In case the connection state is FULL_FEATURE, move state
+ * In case the connection state is BOUND, move state
* to TEMINATING and start teardown sequence (rdma_disconnect).
* In case the connection state is UP, complete flush as well.
*
@@ -832,23 +852,19 @@ isert_conn_terminate(struct isert_conn *isert_conn)
{
int err;

- switch (isert_conn->state) {
- case ISER_CONN_TERMINATING:
- break;
- case ISER_CONN_UP:
- case ISER_CONN_FULL_FEATURE: /* FALLTHRU */
- isert_info("Terminating conn %p state %d\n",
- isert_conn, isert_conn->state);
- isert_conn->state = ISER_CONN_TERMINATING;
- err = rdma_disconnect(isert_conn->cm_id);
- if (err)
- isert_warn("Failed rdma_disconnect isert_conn %p\n",
- isert_conn);
- break;
- default:
- isert_warn("conn %p teminating in state %d\n",
- isert_conn, isert_conn->state);
- }
+ if (isert_conn->state >= ISER_CONN_TERMINATING)
+ return;
+
+ isert_info("Terminating conn %p state %d\n",
+ isert_conn, isert_conn->state);
+ isert_conn->state = ISER_CONN_TERMINATING;
+ err = rdma_disconnect(isert_conn->cm_id);
+ if (err)
+ isert_warn("Failed rdma_disconnect isert_conn %p\n",
+ isert_conn);
+
+ isert_info("conn %p completing wait\n", isert_conn);
+ complete(&isert_conn->wait);
}

static int
@@ -882,35 +898,27 @@ static int
isert_disconnected_handler(struct rdma_cm_id *cma_id,
enum rdma_cm_event_type event)
{
- struct isert_np *isert_np = cma_id->context;
- struct isert_conn *isert_conn;
- bool terminating = false;
-
- if (isert_np->cm_id == cma_id)
- return isert_np_cma_handler(cma_id->context, event);
-
- isert_conn = cma_id->qp->qp_context;
+ struct isert_conn *isert_conn = cma_id->qp->qp_context;

mutex_lock(&isert_conn->mutex);
- terminating = (isert_conn->state == ISER_CONN_TERMINATING);
- isert_conn_terminate(isert_conn);
- mutex_unlock(&isert_conn->mutex);
-
- isert_info("conn %p completing wait\n", isert_conn);
- complete(&isert_conn->wait);
-
- if (terminating)
- goto out;
-
- mutex_lock(&isert_np->mutex);
- if (!list_empty(&isert_conn->node)) {
- list_del_init(&isert_conn->node);
- isert_put_conn(isert_conn);
- queue_work(isert_release_wq, &isert_conn->release_work);
+ switch (isert_conn->state) {
+ case ISER_CONN_TERMINATING:
+ break;
+ case ISER_CONN_UP:
+ isert_conn_terminate(isert_conn);
+ isert_wait4flush(isert_conn);
+ isert_handle_unbound_conn(isert_conn);
+ break;
+ case ISER_CONN_BOUND:
+ case ISER_CONN_FULL_FEATURE: /* FALLTHRU */
+ iscsit_cause_connection_reinstatement(isert_conn->conn, 0);
+ break;
+ default:
+ isert_warn("conn %p teminating in state %d\n",
+ isert_conn, isert_conn->state);
}
- mutex_unlock(&isert_np->mutex);
+ mutex_unlock(&isert_conn->mutex);

-out:
return 0;
}

@@ -929,12 +937,16 @@ isert_connect_error(struct rdma_cm_id *cma_id)
static int
isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
{
+ struct isert_np *isert_np = cma_id->context;
int ret = 0;

isert_info("%s (%d): status %d id %p np %p\n",
rdma_event_msg(event->event), event->event,
event->status, cma_id, cma_id->context);

+ if (isert_np->cm_id == cma_id)
+ return isert_np_cma_handler(cma_id->context, event->event);
+
switch (event->event) {
case RDMA_CM_EVENT_CONNECT_REQUEST:
ret = isert_connect_request(cma_id, event);
@@ -980,13 +992,10 @@ isert_post_recvm(struct isert_conn *isert_conn, u32 count)
rx_wr--;
rx_wr->next = NULL; /* mark end of work requests list */

- isert_conn->post_recv_buf_count += count;
ret = ib_post_recv(isert_conn->qp, isert_conn->rx_wr,
&rx_wr_failed);
- if (ret) {
+ if (ret)
isert_err("ib_post_recv() failed with ret: %d\n", ret);
- isert_conn->post_recv_buf_count -= count;
- }

return ret;
}
@@ -1002,12 +1011,9 @@ isert_post_recv(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc)
rx_wr.num_sge = 1;
rx_wr.next = NULL;

- isert_conn->post_recv_buf_count++;
ret = ib_post_recv(isert_conn->qp, &rx_wr, &rx_wr_failed);
- if (ret) {
+ if (ret)
isert_err("ib_post_recv() failed with ret: %d\n", ret);
- isert_conn->post_recv_buf_count--;
- }

return ret;
}
@@ -1120,12 +1126,9 @@ isert_rdma_post_recvl(struct isert_conn *isert_conn)
rx_wr.sg_list = &sge;
rx_wr.num_sge = 1;

- isert_conn->post_recv_buf_count++;
ret = ib_post_recv(isert_conn->qp, &rx_wr, &rx_wr_fail);
- if (ret) {
+ if (ret)
isert_err("ib_post_recv() failed: %d\n", ret);
- isert_conn->post_recv_buf_count--;
- }

return ret;
}
@@ -1620,7 +1623,6 @@ isert_rcv_completion(struct iser_rx_desc *desc,
ib_dma_sync_single_for_device(ib_dev, rx_dma, rx_buflen,
DMA_FROM_DEVICE);

- isert_conn->post_recv_buf_count--;
}

static int
@@ -2035,7 +2037,8 @@ is_isert_tx_desc(struct isert_conn *isert_conn, void *wr_id)
void *start = isert_conn->rx_descs;
int len = ISERT_QP_MAX_RECV_DTOS * sizeof(*isert_conn->rx_descs);

- if (wr_id >= start && wr_id < start + len)
+ if ((wr_id >= start && wr_id < start + len) ||
+ (wr_id == isert_conn->login_req_buf))
return false;

return true;
@@ -2059,10 +2062,6 @@ isert_cq_comp_err(struct isert_conn *isert_conn, struct ib_wc *wc)
isert_unmap_tx_desc(desc, ib_dev);
else
isert_completion_put(desc, isert_cmd, ib_dev, true);
- } else {
- isert_conn->post_recv_buf_count--;
- if (!isert_conn->post_recv_buf_count)
- iscsit_cause_connection_reinstatement(isert_conn->conn, 0);
}
}

@@ -3193,6 +3192,7 @@ accept_wait:

conn->context = isert_conn;
isert_conn->conn = conn;
+ isert_conn->state = ISER_CONN_BOUND;

isert_set_conn_info(np, conn, isert_conn);

diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h
index 3d7fbc47c343..1874d21daee0 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.h
+++ b/drivers/infiniband/ulp/isert/ib_isert.h
@@ -50,6 +50,7 @@ enum iser_ib_op_code {
enum iser_conn_state {
ISER_CONN_INIT,
ISER_CONN_UP,
+ ISER_CONN_BOUND,
ISER_CONN_FULL_FEATURE,
ISER_CONN_TERMINATING,
ISER_CONN_DOWN,
@@ -144,7 +145,6 @@ struct isert_device;

struct isert_conn {
enum iser_conn_state state;
- int post_recv_buf_count;
u32 responder_resources;
u32 initiator_depth;
bool pi_support;
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 2e2fe818ca9f..eaabf3125846 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -1737,47 +1737,6 @@ send_sense:
return -1;
}

-/**
- * srpt_rx_mgmt_fn_tag() - Process a task management function by tag.
- * @ch: RDMA channel of the task management request.
- * @fn: Task management function to perform.
- * @req_tag: Tag of the SRP task management request.
- * @mgmt_ioctx: I/O context of the task management request.
- *
- * Returns zero if the target core will process the task management
- * request asynchronously.
- *
- * Note: It is assumed that the initiator serializes tag-based task management
- * requests.
- */
-static int srpt_rx_mgmt_fn_tag(struct srpt_send_ioctx *ioctx, u64 tag)
-{
- struct srpt_device *sdev;
- struct srpt_rdma_ch *ch;
- struct srpt_send_ioctx *target;
- int ret, i;
-
- ret = -EINVAL;
- ch = ioctx->ch;
- BUG_ON(!ch);
- BUG_ON(!ch->sport);
- sdev = ch->sport->sdev;
- BUG_ON(!sdev);
- spin_lock_irq(&sdev->spinlock);
- for (i = 0; i < ch->rq_size; ++i) {
- target = ch->ioctx_ring[i];
- if (target->cmd.se_lun == ioctx->cmd.se_lun &&
- target->cmd.tag == tag &&
- srpt_get_cmd_state(target) != SRPT_STATE_DONE) {
- ret = 0;
- /* now let the target core abort &target->cmd; */
- break;
- }
- }
- spin_unlock_irq(&sdev->spinlock);
- return ret;
-}
-
static int srp_tmr_to_tcm(int fn)
{
switch (fn) {
@@ -1812,7 +1771,6 @@ static void srpt_handle_tsk_mgmt(struct srpt_rdma_ch *ch,
struct se_cmd *cmd;
struct se_session *sess = ch->sess;
uint64_t unpacked_lun;
- uint32_t tag = 0;
int tcm_tmr;
int rc;

@@ -1828,25 +1786,10 @@ static void srpt_handle_tsk_mgmt(struct srpt_rdma_ch *ch,
srpt_set_cmd_state(send_ioctx, SRPT_STATE_MGMT);
send_ioctx->cmd.tag = srp_tsk->tag;
tcm_tmr = srp_tmr_to_tcm(srp_tsk->tsk_mgmt_func);
- if (tcm_tmr < 0) {
- send_ioctx->cmd.se_tmr_req->response =
- TMR_TASK_MGMT_FUNCTION_NOT_SUPPORTED;
- goto fail;
- }
unpacked_lun = srpt_unpack_lun((uint8_t *)&srp_tsk->lun,
sizeof(srp_tsk->lun));
-
- if (srp_tsk->tsk_mgmt_func == SRP_TSK_ABORT_TASK) {
- rc = srpt_rx_mgmt_fn_tag(send_ioctx, srp_tsk->task_tag);
- if (rc < 0) {
- send_ioctx->cmd.se_tmr_req->response =
- TMR_TASK_DOES_NOT_EXIST;
- goto fail;
- }
- tag = srp_tsk->task_tag;
- }
rc = target_submit_tmr(&send_ioctx->cmd, sess, NULL, unpacked_lun,
- srp_tsk, tcm_tmr, GFP_KERNEL, tag,
+ srp_tsk, tcm_tmr, GFP_KERNEL, srp_tsk->task_tag,
TARGET_SCF_ACK_KREF);
if (rc != 0) {
send_ioctx->cmd.se_tmr_req->response = TMR_FUNCTION_REJECTED;
diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c
index cfd58e87da26..1c5914cae853 100644
--- a/drivers/input/misc/ati_remote2.c
+++ b/drivers/input/misc/ati_remote2.c
@@ -817,26 +817,49 @@ static int ati_remote2_probe(struct usb_interface *interface, const struct usb_d

ar2->udev = udev;

+ /* Sanity check, first interface must have an endpoint */
+ if (alt->desc.bNumEndpoints < 1 || !alt->endpoint) {
+ dev_err(&interface->dev,
+ "%s(): interface 0 must have an endpoint\n", __func__);
+ r = -ENODEV;
+ goto fail1;
+ }
ar2->intf[0] = interface;
ar2->ep[0] = &alt->endpoint[0].desc;

+ /* Sanity check, the device must have two interfaces */
ar2->intf[1] = usb_ifnum_to_if(udev, 1);
+ if ((udev->actconfig->desc.bNumInterfaces < 2) || !ar2->intf[1]) {
+ dev_err(&interface->dev, "%s(): need 2 interfaces, found %d\n",
+ __func__, udev->actconfig->desc.bNumInterfaces);
+ r = -ENODEV;
+ goto fail1;
+ }
+
r = usb_driver_claim_interface(&ati_remote2_driver, ar2->intf[1], ar2);
if (r)
goto fail1;
+
+ /* Sanity check, second interface must have an endpoint */
alt = ar2->intf[1]->cur_altsetting;
+ if (alt->desc.bNumEndpoints < 1 || !alt->endpoint) {
+ dev_err(&interface->dev,
+ "%s(): interface 1 must have an endpoint\n", __func__);
+ r = -ENODEV;
+ goto fail2;
+ }
ar2->ep[1] = &alt->endpoint[0].desc;

r = ati_remote2_urb_init(ar2);
if (r)
- goto fail2;
+ goto fail3;

ar2->channel_mask = channel_mask;
ar2->mode_mask = mode_mask;

r = ati_remote2_setup(ar2, ar2->channel_mask);
if (r)
- goto fail2;
+ goto fail3;

usb_make_path(udev, ar2->phys, sizeof(ar2->phys));
strlcat(ar2->phys, "/input0", sizeof(ar2->phys));
@@ -845,11 +868,11 @@ static int ati_remote2_probe(struct usb_interface *interface, const struct usb_d

r = sysfs_create_group(&udev->dev.kobj, &ati_remote2_attr_group);
if (r)
- goto fail2;
+ goto fail3;

r = ati_remote2_input_init(ar2);
if (r)
- goto fail3;
+ goto fail4;

usb_set_intfdata(interface, ar2);

@@ -857,10 +880,11 @@ static int ati_remote2_probe(struct usb_interface *interface, const struct usb_d

return 0;

- fail3:
+ fail4:
sysfs_remove_group(&udev->dev.kobj, &ati_remote2_attr_group);
- fail2:
+ fail3:
ati_remote2_urb_cleanup(ar2);
+ fail2:
usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]);
fail1:
kfree(ar2);
diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c
index ac1fa5f44580..9c0ea36913b4 100644
--- a/drivers/input/misc/ims-pcu.c
+++ b/drivers/input/misc/ims-pcu.c
@@ -1663,6 +1663,8 @@ static int ims_pcu_parse_cdc_data(struct usb_interface *intf, struct ims_pcu *pc

pcu->ctrl_intf = usb_ifnum_to_if(pcu->udev,
union_desc->bMasterInterface0);
+ if (!pcu->ctrl_intf)
+ return -EINVAL;

alt = pcu->ctrl_intf->cur_altsetting;
pcu->ep_ctrl = &alt->endpoint[0].desc;
@@ -1670,6 +1672,8 @@ static int ims_pcu_parse_cdc_data(struct usb_interface *intf, struct ims_pcu *pc

pcu->data_intf = usb_ifnum_to_if(pcu->udev,
union_desc->bSlaveInterface0);
+ if (!pcu->data_intf)
+ return -EINVAL;

alt = pcu->data_intf->cur_altsetting;
if (alt->desc.bNumEndpoints != 2) {
diff --git a/drivers/input/misc/powermate.c b/drivers/input/misc/powermate.c
index 63b539d3daba..84909a12ff36 100644
--- a/drivers/input/misc/powermate.c
+++ b/drivers/input/misc/powermate.c
@@ -307,6 +307,9 @@ static int powermate_probe(struct usb_interface *intf, const struct usb_device_i
int error = -ENOMEM;

interface = intf->cur_altsetting;
+ if (interface->desc.bNumEndpoints < 1)
+ return -EINVAL;
+
endpoint = &interface->endpoint[0].desc;
if (!usb_endpoint_is_int_in(endpoint))
return -EIO;
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 6025eb430c0a..a41d8328c064 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -862,8 +862,9 @@ static void synaptics_report_ext_buttons(struct psmouse *psmouse,
if (!SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap))
return;

- /* Bug in FW 8.1, buttons are reported only when ExtBit is 1 */
- if (SYN_ID_FULL(priv->identity) == 0x801 &&
+ /* Bug in FW 8.1 & 8.2, buttons are reported only when ExtBit is 1 */
+ if ((SYN_ID_FULL(priv->identity) == 0x801 ||
+ SYN_ID_FULL(priv->identity) == 0x802) &&
!((psmouse->packet[0] ^ psmouse->packet[3]) & 0x02))
return;

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 8d0ead98eb6e..a296425a7270 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1015,8 +1015,12 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c)
*/
atomic_set(&dc->count, 1);

- if (bch_cached_dev_writeback_start(dc))
+ /* Block writeback thread, but spawn it */
+ down_write(&dc->writeback_lock);
+ if (bch_cached_dev_writeback_start(dc)) {
+ up_write(&dc->writeback_lock);
return -ENOMEM;
+ }

if (BDEV_STATE(&dc->sb) == BDEV_STATE_DIRTY) {
bch_sectors_dirty_init(dc);
@@ -1028,6 +1032,9 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c)
bch_cached_dev_run(dc);
bcache_device_link(&dc->disk, c, "bdev");

+ /* Allow the writeback thread to proceed */
+ up_write(&dc->writeback_lock);
+
pr_info("Caching %s as %s on set %pU",
bdevname(dc->bdev, buf), dc->disk.disk->disk_name,
dc->disk.c->sb.set_uuid);
@@ -1366,6 +1373,9 @@ static void cache_set_flush(struct closure *cl)
struct btree *b;
unsigned i;

+ if (!c)
+ closure_return(cl);
+
bch_cache_accounting_destroy(&c->accounting);

kobject_put(&c->internal);
@@ -1828,11 +1838,12 @@ static int cache_alloc(struct cache_sb *sb, struct cache *ca)
return 0;
}

-static void register_cache(struct cache_sb *sb, struct page *sb_page,
+static int register_cache(struct cache_sb *sb, struct page *sb_page,
struct block_device *bdev, struct cache *ca)
{
char name[BDEVNAME_SIZE];
- const char *err = "cannot allocate memory";
+ const char *err = NULL;
+ int ret = 0;

memcpy(&ca->sb, sb, sizeof(struct cache_sb));
ca->bdev = bdev;
@@ -1847,27 +1858,35 @@ static void register_cache(struct cache_sb *sb, struct page *sb_page,
if (blk_queue_discard(bdev_get_queue(ca->bdev)))
ca->discard = CACHE_DISCARD(&ca->sb);

- if (cache_alloc(sb, ca) != 0)
+ ret = cache_alloc(sb, ca);
+ if (ret != 0)
goto err;

- err = "error creating kobject";
- if (kobject_add(&ca->kobj, &part_to_dev(bdev->bd_part)->kobj, "bcache"))
- goto err;
+ if (kobject_add(&ca->kobj, &part_to_dev(bdev->bd_part)->kobj, "bcache")) {
+ err = "error calling kobject_add";
+ ret = -ENOMEM;
+ goto out;
+ }

mutex_lock(&bch_register_lock);
err = register_cache_set(ca);
mutex_unlock(&bch_register_lock);

- if (err)
- goto err;
+ if (err) {
+ ret = -ENODEV;
+ goto out;
+ }

pr_info("registered cache device %s", bdevname(bdev, name));
+
out:
kobject_put(&ca->kobj);
- return;
+
err:
- pr_notice("error opening %s: %s", bdevname(bdev, name), err);
- goto out;
+ if (err)
+ pr_notice("error opening %s: %s", bdevname(bdev, name), err);
+
+ return ret;
}

/* Global interfaces/init */
@@ -1965,7 +1984,8 @@ static ssize_t register_bcache(struct kobject *k, struct kobj_attribute *attr,
if (!ca)
goto err_close;

- register_cache(sb, sb_page, bdev, ca);
+ if (register_cache(sb, sb_page, bdev, ca) != 0)
+ goto err_close;
}
out:
if (sb_page)
diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index f6543f3a970f..27f2ef300f8b 100644
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -867,19 +867,40 @@ static int blocks_are_unmapped_or_clean(struct dm_cache_metadata *cmd,
return 0;
}

-#define WRITE_LOCK(cmd) \
- if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) \
+#define WRITE_LOCK(cmd) \
+ down_write(&cmd->root_lock); \
+ if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \
+ up_write(&cmd->root_lock); \
return -EINVAL; \
- down_write(&cmd->root_lock)
+ }

#define WRITE_LOCK_VOID(cmd) \
- if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) \
+ down_write(&cmd->root_lock); \
+ if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \
+ up_write(&cmd->root_lock); \
return; \
- down_write(&cmd->root_lock)
+ }

#define WRITE_UNLOCK(cmd) \
up_write(&cmd->root_lock)

+#define READ_LOCK(cmd) \
+ down_read(&cmd->root_lock); \
+ if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \
+ up_read(&cmd->root_lock); \
+ return -EINVAL; \
+ }
+
+#define READ_LOCK_VOID(cmd) \
+ down_read(&cmd->root_lock); \
+ if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \
+ up_read(&cmd->root_lock); \
+ return; \
+ }
+
+#define READ_UNLOCK(cmd) \
+ up_read(&cmd->root_lock)
+
int dm_cache_resize(struct dm_cache_metadata *cmd, dm_cblock_t new_cache_size)
{
int r;
@@ -1015,22 +1036,20 @@ int dm_cache_load_discards(struct dm_cache_metadata *cmd,
{
int r;

- down_read(&cmd->root_lock);
+ READ_LOCK(cmd);
r = __load_discards(cmd, fn, context);
- up_read(&cmd->root_lock);
+ READ_UNLOCK(cmd);

return r;
}

-dm_cblock_t dm_cache_size(struct dm_cache_metadata *cmd)
+int dm_cache_size(struct dm_cache_metadata *cmd, dm_cblock_t *result)
{
- dm_cblock_t r;
+ READ_LOCK(cmd);
+ *result = cmd->cache_blocks;
+ READ_UNLOCK(cmd);

- down_read(&cmd->root_lock);
- r = cmd->cache_blocks;
- up_read(&cmd->root_lock);
-
- return r;
+ return 0;
}

static int __remove(struct dm_cache_metadata *cmd, dm_cblock_t cblock)
@@ -1188,9 +1207,9 @@ int dm_cache_load_mappings(struct dm_cache_metadata *cmd,
{
int r;

- down_read(&cmd->root_lock);
+ READ_LOCK(cmd);
r = __load_mappings(cmd, policy, fn, context);
- up_read(&cmd->root_lock);
+ READ_UNLOCK(cmd);

return r;
}
@@ -1215,18 +1234,18 @@ static int __dump_mappings(struct dm_cache_metadata *cmd)

void dm_cache_dump(struct dm_cache_metadata *cmd)
{
- down_read(&cmd->root_lock);
+ READ_LOCK_VOID(cmd);
__dump_mappings(cmd);
- up_read(&cmd->root_lock);
+ READ_UNLOCK(cmd);
}

int dm_cache_changed_this_transaction(struct dm_cache_metadata *cmd)
{
int r;

- down_read(&cmd->root_lock);
+ READ_LOCK(cmd);
r = cmd->changed;
- up_read(&cmd->root_lock);
+ READ_UNLOCK(cmd);

return r;
}
@@ -1276,9 +1295,9 @@ int dm_cache_set_dirty(struct dm_cache_metadata *cmd,
void dm_cache_metadata_get_stats(struct dm_cache_metadata *cmd,
struct dm_cache_statistics *stats)
{
- down_read(&cmd->root_lock);
+ READ_LOCK_VOID(cmd);
*stats = cmd->stats;
- up_read(&cmd->root_lock);
+ READ_UNLOCK(cmd);
}

void dm_cache_metadata_set_stats(struct dm_cache_metadata *cmd,
@@ -1312,9 +1331,9 @@ int dm_cache_get_free_metadata_block_count(struct dm_cache_metadata *cmd,
{
int r = -EINVAL;

- down_read(&cmd->root_lock);
+ READ_LOCK(cmd);
r = dm_sm_get_nr_free(cmd->metadata_sm, result);
- up_read(&cmd->root_lock);
+ READ_UNLOCK(cmd);

return r;
}
@@ -1324,9 +1343,9 @@ int dm_cache_get_metadata_dev_size(struct dm_cache_metadata *cmd,
{
int r = -EINVAL;

- down_read(&cmd->root_lock);
+ READ_LOCK(cmd);
r = dm_sm_get_nr_blocks(cmd->metadata_sm, result);
- up_read(&cmd->root_lock);
+ READ_UNLOCK(cmd);

return r;
}
@@ -1417,7 +1436,13 @@ int dm_cache_write_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *

int dm_cache_metadata_all_clean(struct dm_cache_metadata *cmd, bool *result)
{
- return blocks_are_unmapped_or_clean(cmd, 0, cmd->cache_blocks, result);
+ int r;
+
+ READ_LOCK(cmd);
+ r = blocks_are_unmapped_or_clean(cmd, 0, cmd->cache_blocks, result);
+ READ_UNLOCK(cmd);
+
+ return r;
}

void dm_cache_metadata_set_read_only(struct dm_cache_metadata *cmd)
@@ -1440,10 +1465,7 @@ int dm_cache_metadata_set_needs_check(struct dm_cache_metadata *cmd)
struct dm_block *sblock;
struct cache_disk_superblock *disk_super;

- /*
- * We ignore fail_io for this function.
- */
- down_write(&cmd->root_lock);
+ WRITE_LOCK(cmd);
set_bit(NEEDS_CHECK, &cmd->flags);

r = superblock_lock(cmd, &sblock);
@@ -1458,19 +1480,17 @@ int dm_cache_metadata_set_needs_check(struct dm_cache_metadata *cmd)
dm_bm_unlock(sblock);

out:
- up_write(&cmd->root_lock);
+ WRITE_UNLOCK(cmd);
return r;
}

-bool dm_cache_metadata_needs_check(struct dm_cache_metadata *cmd)
+int dm_cache_metadata_needs_check(struct dm_cache_metadata *cmd, bool *result)
{
- bool needs_check;
+ READ_LOCK(cmd);
+ *result = !!test_bit(NEEDS_CHECK, &cmd->flags);
+ READ_UNLOCK(cmd);

- down_read(&cmd->root_lock);
- needs_check = !!test_bit(NEEDS_CHECK, &cmd->flags);
- up_read(&cmd->root_lock);
-
- return needs_check;
+ return 0;
}

int dm_cache_metadata_abort(struct dm_cache_metadata *cmd)
diff --git a/drivers/md/dm-cache-metadata.h b/drivers/md/dm-cache-metadata.h
index 2ffee21f318d..8528744195e5 100644
--- a/drivers/md/dm-cache-metadata.h
+++ b/drivers/md/dm-cache-metadata.h
@@ -66,7 +66,7 @@ void dm_cache_metadata_close(struct dm_cache_metadata *cmd);
* origin blocks to map to.
*/
int dm_cache_resize(struct dm_cache_metadata *cmd, dm_cblock_t new_cache_size);
-dm_cblock_t dm_cache_size(struct dm_cache_metadata *cmd);
+int dm_cache_size(struct dm_cache_metadata *cmd, dm_cblock_t *result);

int dm_cache_discard_bitset_resize(struct dm_cache_metadata *cmd,
sector_t discard_block_size,
@@ -137,7 +137,7 @@ int dm_cache_write_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *
*/
int dm_cache_metadata_all_clean(struct dm_cache_metadata *cmd, bool *result);

-bool dm_cache_metadata_needs_check(struct dm_cache_metadata *cmd);
+int dm_cache_metadata_needs_check(struct dm_cache_metadata *cmd, bool *result);
int dm_cache_metadata_set_needs_check(struct dm_cache_metadata *cmd);
void dm_cache_metadata_set_read_only(struct dm_cache_metadata *cmd);
void dm_cache_metadata_set_read_write(struct dm_cache_metadata *cmd);
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 2fd4c8296144..515f83e7d9ab 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -987,9 +987,14 @@ static void notify_mode_switch(struct cache *cache, enum cache_metadata_mode mod

static void set_cache_mode(struct cache *cache, enum cache_metadata_mode new_mode)
{
- bool needs_check = dm_cache_metadata_needs_check(cache->cmd);
+ bool needs_check;
enum cache_metadata_mode old_mode = get_cache_mode(cache);

+ if (dm_cache_metadata_needs_check(cache->cmd, &needs_check)) {
+ DMERR("unable to read needs_check flag, setting failure mode");
+ new_mode = CM_FAIL;
+ }
+
if (new_mode == CM_WRITE && needs_check) {
DMERR("%s: unable to switch cache to write mode until repaired.",
cache_device_name(cache));
@@ -3513,6 +3518,7 @@ static void cache_status(struct dm_target *ti, status_type_t type,
char buf[BDEVNAME_SIZE];
struct cache *cache = ti->private;
dm_cblock_t residency;
+ bool needs_check;

switch (type) {
case STATUSTYPE_INFO:
@@ -3586,7 +3592,9 @@ static void cache_status(struct dm_target *ti, status_type_t type,
else
DMEMIT("rw ");

- if (dm_cache_metadata_needs_check(cache->cmd))
+ r = dm_cache_metadata_needs_check(cache->cmd, &needs_check);
+
+ if (r || needs_check)
DMEMIT("needs_check ");
else
DMEMIT("- ");
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 61f184ad081c..e108deebbaaa 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -1106,6 +1106,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
int i;
int r = -EINVAL;
char *origin_path, *cow_path;
+ dev_t origin_dev, cow_dev;
unsigned args_used, num_flush_bios = 1;
fmode_t origin_mode = FMODE_READ;

@@ -1136,11 +1137,19 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
ti->error = "Cannot get origin device";
goto bad_origin;
}
+ origin_dev = s->origin->bdev->bd_dev;

cow_path = argv[0];
argv++;
argc--;

+ cow_dev = dm_get_dev_t(cow_path);
+ if (cow_dev && cow_dev == origin_dev) {
+ ti->error = "COW device cannot be the same as origin device";
+ r = -EINVAL;
+ goto bad_cow;
+ }
+
r = dm_get_device(ti, cow_path, dm_table_get_mode(ti->table), &s->cow);
if (r) {
ti->error = "Cannot get COW device";
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 061152a43730..cb5d0daf53bb 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -365,6 +365,26 @@ static int upgrade_mode(struct dm_dev_internal *dd, fmode_t new_mode,
}

/*
+ * Convert the path to a device
+ */
+dev_t dm_get_dev_t(const char *path)
+{
+ dev_t uninitialized_var(dev);
+ struct block_device *bdev;
+
+ bdev = lookup_bdev(path);
+ if (IS_ERR(bdev))
+ dev = name_to_dev_t(path);
+ else {
+ dev = bdev->bd_dev;
+ bdput(bdev);
+ }
+
+ return dev;
+}
+EXPORT_SYMBOL_GPL(dm_get_dev_t);
+
+/*
* Add a device to the list, or just increment the usage count if
* it's already present.
*/
@@ -372,23 +392,15 @@ int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode,
struct dm_dev **result)
{
int r;
- dev_t uninitialized_var(dev);
+ dev_t dev;
struct dm_dev_internal *dd;
struct dm_table *t = ti->table;
- struct block_device *bdev;

BUG_ON(!t);

- /* convert the path to a device */
- bdev = lookup_bdev(path);
- if (IS_ERR(bdev)) {
- dev = name_to_dev_t(path);
- if (!dev)
- return -ENODEV;
- } else {
- dev = bdev->bd_dev;
- bdput(bdev);
- }
+ dev = dm_get_dev_t(path);
+ if (!dev)
+ return -ENODEV;

dd = find_device(&t->devices, dev);
if (!dd) {
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index c219a053c7f6..911ada643364 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -1943,5 +1943,8 @@ bool dm_pool_metadata_needs_check(struct dm_pool_metadata *pmd)

void dm_pool_issue_prefetches(struct dm_pool_metadata *pmd)
{
- dm_tm_issue_prefetches(pmd->tm);
+ down_read(&pmd->root_lock);
+ if (!pmd->fail_io)
+ dm_tm_issue_prefetches(pmd->tm);
+ up_read(&pmd->root_lock);
}
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index dd834927bc66..c338aebb4ccd 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1109,12 +1109,8 @@ static void rq_completed(struct mapped_device *md, int rw, bool run_queue)
* back into ->request_fn() could deadlock attempting to grab the
* queue lock again.
*/
- if (run_queue) {
- if (md->queue->mq_ops)
- blk_mq_run_hw_queues(md->queue, true);
- else
- blk_run_queue_async(md->queue);
- }
+ if (!md->queue->mq_ops && run_queue)
+ blk_run_queue_async(md->queue);

/*
* dm_put() must be at the end of this function. See the comment above
@@ -1214,9 +1210,9 @@ static void dm_requeue_original_request(struct mapped_device *md,
{
int rw = rq_data_dir(rq);

+ rq_end_stats(md, rq);
dm_unprep_request(rq);

- rq_end_stats(md, rq);
if (!rq->q->mq_ops)
old_requeue_request(rq);
else {
@@ -1336,7 +1332,10 @@ static void dm_complete_request(struct request *rq, int error)
struct dm_rq_target_io *tio = tio_from_request(rq);

tio->error = error;
- blk_complete_request(rq);
+ if (!rq->q->mq_ops)
+ blk_complete_request(rq);
+ else
+ blk_mq_complete_request(rq, error);
}

/*
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 0a72ab6e6c20..dd483bb2e111 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -129,7 +129,9 @@ static void multipath_make_request(struct mddev *mddev, struct bio * bio)
}
multipath = conf->multipaths + mp_bh->path;

- mp_bh->bio = *bio;
+ bio_init(&mp_bh->bio);
+ __bio_clone_fast(&mp_bh->bio, bio);
+
mp_bh->bio.bi_iter.bi_sector += multipath->rdev->data_offset;
mp_bh->bio.bi_bdev = multipath->rdev->bdev;
mp_bh->bio.bi_rw |= REQ_FAILFAST_TRANSPORT;
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index c4b913409226..515554c7365b 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2274,6 +2274,7 @@ static void handle_write_finished(struct r1conf *conf, struct r1bio *r1_bio)
if (fail) {
spin_lock_irq(&conf->device_lock);
list_add(&r1_bio->retry_list, &conf->bio_end_io_list);
+ conf->nr_queued++;
spin_unlock_irq(&conf->device_lock);
md_wakeup_thread(conf->mddev->thread);
} else {
@@ -2391,8 +2392,10 @@ static void raid1d(struct md_thread *thread)
LIST_HEAD(tmp);
spin_lock_irqsave(&conf->device_lock, flags);
if (!test_bit(MD_CHANGE_PENDING, &mddev->flags)) {
- list_add(&tmp, &conf->bio_end_io_list);
- list_del_init(&conf->bio_end_io_list);
+ while (!list_empty(&conf->bio_end_io_list)) {
+ list_move(conf->bio_end_io_list.prev, &tmp);
+ conf->nr_queued--;
+ }
}
spin_unlock_irqrestore(&conf->device_lock, flags);
while (!list_empty(&tmp)) {
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index ce959b4ae4df..ebb0dd612ebd 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2664,6 +2664,7 @@ static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio)
if (fail) {
spin_lock_irq(&conf->device_lock);
list_add(&r10_bio->retry_list, &conf->bio_end_io_list);
+ conf->nr_queued++;
spin_unlock_irq(&conf->device_lock);
md_wakeup_thread(conf->mddev->thread);
} else {
@@ -2691,8 +2692,10 @@ static void raid10d(struct md_thread *thread)
LIST_HEAD(tmp);
spin_lock_irqsave(&conf->device_lock, flags);
if (!test_bit(MD_CHANGE_PENDING, &mddev->flags)) {
- list_add(&tmp, &conf->bio_end_io_list);
- list_del_init(&conf->bio_end_io_list);
+ while (!list_empty(&conf->bio_end_io_list)) {
+ list_move(conf->bio_end_io_list.prev, &tmp);
+ conf->nr_queued--;
+ }
}
spin_unlock_irqrestore(&conf->device_lock, flags);
while (!list_empty(&tmp)) {
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 704ef7fcfbf8..10ce885445f6 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -340,8 +340,7 @@ static void release_inactive_stripe_list(struct r5conf *conf,
int hash)
{
int size;
- unsigned long do_wakeup = 0;
- int i = 0;
+ bool do_wakeup = false;
unsigned long flags;

if (hash == NR_STRIPE_HASH_LOCKS) {
@@ -362,19 +361,15 @@ static void release_inactive_stripe_list(struct r5conf *conf,
!list_empty(list))
atomic_dec(&conf->empty_inactive_list_nr);
list_splice_tail_init(list, conf->inactive_list + hash);
- do_wakeup |= 1 << hash;
+ do_wakeup = true;
spin_unlock_irqrestore(conf->hash_locks + hash, flags);
}
size--;
hash--;
}

- for (i = 0; i < NR_STRIPE_HASH_LOCKS; i++) {
- if (do_wakeup & (1 << i))
- wake_up(&conf->wait_for_stripe[i]);
- }
-
if (do_wakeup) {
+ wake_up(&conf->wait_for_stripe);
if (atomic_read(&conf->active_stripes) == 0)
wake_up(&conf->wait_for_quiescent);
if (conf->retry_read_aligned)
@@ -687,15 +682,14 @@ raid5_get_active_stripe(struct r5conf *conf, sector_t sector,
if (!sh) {
set_bit(R5_INACTIVE_BLOCKED,
&conf->cache_state);
- wait_event_exclusive_cmd(
- conf->wait_for_stripe[hash],
+ wait_event_lock_irq(
+ conf->wait_for_stripe,
!list_empty(conf->inactive_list + hash) &&
(atomic_read(&conf->active_stripes)
< (conf->max_nr_stripes * 3 / 4)
|| !test_bit(R5_INACTIVE_BLOCKED,
&conf->cache_state)),
- spin_unlock_irq(conf->hash_locks + hash),
- spin_lock_irq(conf->hash_locks + hash));
+ *(conf->hash_locks + hash));
clear_bit(R5_INACTIVE_BLOCKED,
&conf->cache_state);
} else {
@@ -720,9 +714,6 @@ raid5_get_active_stripe(struct r5conf *conf, sector_t sector,
}
} while (sh == NULL);

- if (!list_empty(conf->inactive_list + hash))
- wake_up(&conf->wait_for_stripe[hash]);
-
spin_unlock_irq(conf->hash_locks + hash);
return sh;
}
@@ -2091,6 +2082,14 @@ static int resize_chunks(struct r5conf *conf, int new_disks, int new_sectors)
unsigned long cpu;
int err = 0;

+ /*
+ * Never shrink. And mddev_suspend() could deadlock if this is called
+ * from raid5d. In that case, scribble_disks and scribble_sectors
+ * should equal to new_disks and new_sectors
+ */
+ if (conf->scribble_disks >= new_disks &&
+ conf->scribble_sectors >= new_sectors)
+ return 0;
mddev_suspend(conf->mddev);
get_online_cpus();
for_each_present_cpu(cpu) {
@@ -2112,6 +2111,10 @@ static int resize_chunks(struct r5conf *conf, int new_disks, int new_sectors)
}
put_online_cpus();
mddev_resume(conf->mddev);
+ if (!err) {
+ conf->scribble_disks = new_disks;
+ conf->scribble_sectors = new_sectors;
+ }
return err;
}

@@ -2192,7 +2195,7 @@ static int resize_stripes(struct r5conf *conf, int newsize)
cnt = 0;
list_for_each_entry(nsh, &newstripes, lru) {
lock_device_hash_lock(conf, hash);
- wait_event_exclusive_cmd(conf->wait_for_stripe[hash],
+ wait_event_cmd(conf->wait_for_stripe,
!list_empty(conf->inactive_list + hash),
unlock_device_hash_lock(conf, hash),
lock_device_hash_lock(conf, hash));
@@ -4238,7 +4241,6 @@ static void break_stripe_batch_list(struct stripe_head *head_sh,
WARN_ON_ONCE(sh->state & ((1 << STRIPE_ACTIVE) |
(1 << STRIPE_SYNCING) |
(1 << STRIPE_REPLACED) |
- (1 << STRIPE_PREREAD_ACTIVE) |
(1 << STRIPE_DELAYED) |
(1 << STRIPE_BIT_DELAY) |
(1 << STRIPE_FULL_WRITE) |
@@ -4253,6 +4255,7 @@ static void break_stripe_batch_list(struct stripe_head *head_sh,
(1 << STRIPE_REPLACED)));

set_mask_bits(&sh->state, ~(STRIPE_EXPAND_SYNC_FLAGS |
+ (1 << STRIPE_PREREAD_ACTIVE) |
(1 << STRIPE_DEGRADED)),
head_sh->state & (1 << STRIPE_INSYNC));

@@ -6414,6 +6417,12 @@ static int raid5_alloc_percpu(struct r5conf *conf)
}
put_online_cpus();

+ if (!err) {
+ conf->scribble_disks = max(conf->raid_disks,
+ conf->previous_raid_disks);
+ conf->scribble_sectors = max(conf->chunk_sectors,
+ conf->prev_chunk_sectors);
+ }
return err;
}

@@ -6504,9 +6513,7 @@ static struct r5conf *setup_conf(struct mddev *mddev)
seqcount_init(&conf->gen_lock);
mutex_init(&conf->cache_size_mutex);
init_waitqueue_head(&conf->wait_for_quiescent);
- for (i = 0; i < NR_STRIPE_HASH_LOCKS; i++) {
- init_waitqueue_head(&conf->wait_for_stripe[i]);
- }
+ init_waitqueue_head(&conf->wait_for_stripe);
init_waitqueue_head(&conf->wait_for_overlap);
INIT_LIST_HEAD(&conf->handle_list);
INIT_LIST_HEAD(&conf->hold_list);
@@ -7015,8 +7022,8 @@ static int run(struct mddev *mddev)
}

if (discard_supported &&
- mddev->queue->limits.max_discard_sectors >= stripe &&
- mddev->queue->limits.discard_granularity >= stripe)
+ mddev->queue->limits.max_discard_sectors >= (stripe >> 9) &&
+ mddev->queue->limits.discard_granularity >= stripe)
queue_flag_set_unlocked(QUEUE_FLAG_DISCARD,
mddev->queue);
else
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index a415e1cd39b8..517d4b68a1be 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -510,6 +510,8 @@ struct r5conf {
* conversions
*/
} __percpu *percpu;
+ int scribble_disks;
+ int scribble_sectors;
#ifdef CONFIG_HOTPLUG_CPU
struct notifier_block cpu_notify;
#endif
@@ -522,7 +524,7 @@ struct r5conf {
atomic_t empty_inactive_list_nr;
struct llist_head released_stripes;
wait_queue_head_t wait_for_quiescent;
- wait_queue_head_t wait_for_stripe[NR_STRIPE_HASH_LOCKS];
+ wait_queue_head_t wait_for_stripe;
wait_queue_head_t wait_for_overlap;
unsigned long cache_state;
#define R5_INACTIVE_BLOCKED 1 /* release of inactive stripes blocked,
diff --git a/drivers/media/i2c/adv7511.c b/drivers/media/i2c/adv7511.c
index e4900df1140b..c24839cfcc35 100644
--- a/drivers/media/i2c/adv7511.c
+++ b/drivers/media/i2c/adv7511.c
@@ -1161,12 +1161,23 @@ static void adv7511_dbg_dump_edid(int lvl, int debug, struct v4l2_subdev *sd, in
}
}

+static void adv7511_notify_no_edid(struct v4l2_subdev *sd)
+{
+ struct adv7511_state *state = get_adv7511_state(sd);
+ struct adv7511_edid_detect ed;
+
+ /* We failed to read the EDID, so send an event for this. */
+ ed.present = false;
+ ed.segment = adv7511_rd(sd, 0xc4);
+ v4l2_subdev_notify(sd, ADV7511_EDID_DETECT, (void *)&ed);
+ v4l2_ctrl_s_ctrl(state->have_edid0_ctrl, 0x0);
+}
+
static void adv7511_edid_handler(struct work_struct *work)
{
struct delayed_work *dwork = to_delayed_work(work);
struct adv7511_state *state = container_of(dwork, struct adv7511_state, edid_handler);
struct v4l2_subdev *sd = &state->sd;
- struct adv7511_edid_detect ed;

v4l2_dbg(1, debug, sd, "%s:\n", __func__);

@@ -1191,9 +1202,7 @@ static void adv7511_edid_handler(struct work_struct *work)
}

/* We failed to read the EDID, so send an event for this. */
- ed.present = false;
- ed.segment = adv7511_rd(sd, 0xc4);
- v4l2_subdev_notify(sd, ADV7511_EDID_DETECT, (void *)&ed);
+ adv7511_notify_no_edid(sd);
v4l2_dbg(1, debug, sd, "%s: no edid found\n", __func__);
}

@@ -1264,7 +1273,6 @@ static void adv7511_check_monitor_present_status(struct v4l2_subdev *sd)
/* update read only ctrls */
v4l2_ctrl_s_ctrl(state->hotplug_ctrl, adv7511_have_hotplug(sd) ? 0x1 : 0x0);
v4l2_ctrl_s_ctrl(state->rx_sense_ctrl, adv7511_have_rx_sense(sd) ? 0x1 : 0x0);
- v4l2_ctrl_s_ctrl(state->have_edid0_ctrl, state->edid.segments ? 0x1 : 0x0);

if ((status & MASK_ADV7511_HPD_DETECT) && ((status & MASK_ADV7511_MSEN_DETECT) || state->edid.segments)) {
v4l2_dbg(1, debug, sd, "%s: hotplug and (rx-sense or edid)\n", __func__);
@@ -1294,6 +1302,7 @@ static void adv7511_check_monitor_present_status(struct v4l2_subdev *sd)
}
adv7511_s_power(sd, false);
memset(&state->edid, 0, sizeof(struct adv7511_state_edid));
+ adv7511_notify_no_edid(sd);
}
}

@@ -1370,6 +1379,7 @@ static bool adv7511_check_edid_status(struct v4l2_subdev *sd)
}
/* one more segment read ok */
state->edid.segments = segment + 1;
+ v4l2_ctrl_s_ctrl(state->have_edid0_ctrl, 0x1);
if (((state->edid.data[0x7e] >> 1) + 1) > state->edid.segments) {
/* Request next EDID segment */
v4l2_dbg(1, debug, sd, "%s: request segment %d\n", __func__, state->edid.segments);
@@ -1389,7 +1399,6 @@ static bool adv7511_check_edid_status(struct v4l2_subdev *sd)
ed.present = true;
ed.segment = 0;
state->edid_detect_counter++;
- v4l2_ctrl_s_ctrl(state->have_edid0_ctrl, state->edid.segments ? 0x1 : 0x0);
v4l2_subdev_notify(sd, ADV7511_EDID_DETECT, (void *)&ed);
return ed.present;
}
diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index 15a4ebc2844d..51dbef2f9a48 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -2334,6 +2334,19 @@ static int bttv_g_fmt_vid_overlay(struct file *file, void *priv,
return 0;
}

+static void bttv_get_width_mask_vid_cap(const struct bttv_format *fmt,
+ unsigned int *width_mask,
+ unsigned int *width_bias)
+{
+ if (fmt->flags & FORMAT_FLAGS_PLANAR) {
+ *width_mask = ~15; /* width must be a multiple of 16 pixels */
+ *width_bias = 8; /* nearest */
+ } else {
+ *width_mask = ~3; /* width must be a multiple of 4 pixels */
+ *width_bias = 2; /* nearest */
+ }
+}
+
static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
@@ -2343,6 +2356,7 @@ static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
enum v4l2_field field;
__s32 width, height;
__s32 height2;
+ unsigned int width_mask, width_bias;
int rc;

fmt = format_by_fourcc(f->fmt.pix.pixelformat);
@@ -2375,9 +2389,9 @@ static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
width = f->fmt.pix.width;
height = f->fmt.pix.height;

+ bttv_get_width_mask_vid_cap(fmt, &width_mask, &width_bias);
rc = limit_scaled_size_lock(fh, &width, &height, field,
- /* width_mask: 4 pixels */ ~3,
- /* width_bias: nearest */ 2,
+ width_mask, width_bias,
/* adjust_size */ 1,
/* adjust_crop */ 0);
if (0 != rc)
@@ -2410,6 +2424,7 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv,
struct bttv_fh *fh = priv;
struct bttv *btv = fh->btv;
__s32 width, height;
+ unsigned int width_mask, width_bias;
enum v4l2_field field;

retval = bttv_switch_type(fh, f->type);
@@ -2424,9 +2439,10 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv,
height = f->fmt.pix.height;
field = f->fmt.pix.field;

+ fmt = format_by_fourcc(f->fmt.pix.pixelformat);
+ bttv_get_width_mask_vid_cap(fmt, &width_mask, &width_bias);
retval = limit_scaled_size_lock(fh, &width, &height, f->fmt.pix.field,
- /* width_mask: 4 pixels */ ~3,
- /* width_bias: nearest */ 2,
+ width_mask, width_bias,
/* adjust_size */ 1,
/* adjust_crop */ 1);
if (0 != retval)
@@ -2434,8 +2450,6 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv,

f->fmt.pix.field = field;

- fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-
/* update our state informations */
fh->fmt = fmt;
fh->cap.field = f->fmt.pix.field;
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
index 518086c7aed5..15e56c07b217 100644
--- a/drivers/media/pci/saa7134/saa7134-video.c
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -1219,10 +1219,13 @@ static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
f->fmt.pix.height = dev->height;
f->fmt.pix.field = dev->field;
f->fmt.pix.pixelformat = dev->fmt->fourcc;
- f->fmt.pix.bytesperline =
- (f->fmt.pix.width * dev->fmt->depth) >> 3;
+ if (dev->fmt->planar)
+ f->fmt.pix.bytesperline = f->fmt.pix.width;
+ else
+ f->fmt.pix.bytesperline =
+ (f->fmt.pix.width * dev->fmt->depth) / 8;
f->fmt.pix.sizeimage =
- f->fmt.pix.height * f->fmt.pix.bytesperline;
+ (f->fmt.pix.height * f->fmt.pix.width * dev->fmt->depth) / 8;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
return 0;
}
@@ -1298,10 +1301,13 @@ static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
if (f->fmt.pix.height > maxh)
f->fmt.pix.height = maxh;
f->fmt.pix.width &= ~0x03;
- f->fmt.pix.bytesperline =
- (f->fmt.pix.width * fmt->depth) >> 3;
+ if (fmt->planar)
+ f->fmt.pix.bytesperline = f->fmt.pix.width;
+ else
+ f->fmt.pix.bytesperline =
+ (f->fmt.pix.width * fmt->depth) / 8;
f->fmt.pix.sizeimage =
- f->fmt.pix.height * f->fmt.pix.bytesperline;
+ (f->fmt.pix.height * f->fmt.pix.width * fmt->depth) / 8;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;

return 0;
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index 654e964f84a2..d76511c1c1e3 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -1342,7 +1342,7 @@ static void coda_finish_encode(struct coda_ctx *ctx)

/* Calculate bytesused field */
if (dst_buf->sequence == 0) {
- vb2_set_plane_payload(&dst_buf->vb2_buf, 0,
+ vb2_set_plane_payload(&dst_buf->vb2_buf, 0, wr_ptr - start_ptr +
ctx->vpu_header_size[0] +
ctx->vpu_header_size[1] +
ctx->vpu_header_size[2]);
diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c
index b79c36fd8cd2..58f23bcfe94e 100644
--- a/drivers/media/usb/pwc/pwc-if.c
+++ b/drivers/media/usb/pwc/pwc-if.c
@@ -91,6 +91,7 @@ static const struct usb_device_id pwc_device_table [] = {
{ USB_DEVICE(0x0471, 0x0312) },
{ USB_DEVICE(0x0471, 0x0313) }, /* the 'new' 720K */
{ USB_DEVICE(0x0471, 0x0329) }, /* Philips SPC 900NC PC Camera */
+ { USB_DEVICE(0x0471, 0x032C) }, /* Philips SPC 880NC PC Camera */
{ USB_DEVICE(0x069A, 0x0001) }, /* Askey */
{ USB_DEVICE(0x046D, 0x08B0) }, /* Logitech QuickCam Pro 3000 */
{ USB_DEVICE(0x046D, 0x08B1) }, /* Logitech QuickCam Notebook Pro */
@@ -811,6 +812,11 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id
name = "Philips SPC 900NC webcam";
type_id = 740;
break;
+ case 0x032C:
+ PWC_INFO("Philips SPC 880NC USB webcam detected.\n");
+ name = "Philips SPC 880NC webcam";
+ type_id = 740;
+ break;
default:
return -ENODEV;
break;
diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index 327e83ac2469..f38c076752ce 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -415,7 +415,8 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
get_user(kp->index, &up->index) ||
get_user(kp->type, &up->type) ||
get_user(kp->flags, &up->flags) ||
- get_user(kp->memory, &up->memory))
+ get_user(kp->memory, &up->memory) ||
+ get_user(kp->length, &up->length))
return -EFAULT;

if (V4L2_TYPE_IS_OUTPUT(kp->type))
@@ -427,9 +428,6 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
return -EFAULT;

if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
- if (get_user(kp->length, &up->length))
- return -EFAULT;
-
num_planes = kp->length;
if (num_planes == 0) {
kp->m.planes = NULL;
@@ -462,16 +460,14 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
} else {
switch (kp->memory) {
case V4L2_MEMORY_MMAP:
- if (get_user(kp->length, &up->length) ||
- get_user(kp->m.offset, &up->m.offset))
+ if (get_user(kp->m.offset, &up->m.offset))
return -EFAULT;
break;
case V4L2_MEMORY_USERPTR:
{
compat_long_t tmp;

- if (get_user(kp->length, &up->length) ||
- get_user(tmp, &up->m.userptr))
+ if (get_user(tmp, &up->m.userptr))
return -EFAULT;

kp->m.userptr = (unsigned long)compat_ptr(tmp);
@@ -513,7 +509,8 @@ static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
copy_to_user(&up->timecode, &kp->timecode, sizeof(struct v4l2_timecode)) ||
put_user(kp->sequence, &up->sequence) ||
put_user(kp->reserved2, &up->reserved2) ||
- put_user(kp->reserved, &up->reserved))
+ put_user(kp->reserved, &up->reserved) ||
+ put_user(kp->length, &up->length))
return -EFAULT;

if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
@@ -536,13 +533,11 @@ static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
} else {
switch (kp->memory) {
case V4L2_MEMORY_MMAP:
- if (put_user(kp->length, &up->length) ||
- put_user(kp->m.offset, &up->m.offset))
+ if (put_user(kp->m.offset, &up->m.offset))
return -EFAULT;
break;
case V4L2_MEMORY_USERPTR:
- if (put_user(kp->length, &up->length) ||
- put_user(kp->m.userptr, &up->m.userptr))
+ if (put_user(kp->m.userptr, &up->m.userptr))
return -EFAULT;
break;
case V4L2_MEMORY_OVERLAY:
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 0b05aa938799..1a173d0af694 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -53,6 +53,11 @@ ssize_t __mei_cl_send(struct mei_cl *cl, u8 *buf, size_t length,
bus = cl->dev;

mutex_lock(&bus->device_lock);
+ if (bus->dev_state != MEI_DEV_ENABLED) {
+ rets = -ENODEV;
+ goto out;
+ }
+
if (!mei_cl_is_connected(cl)) {
rets = -ENODEV;
goto out;
@@ -109,6 +114,10 @@ ssize_t __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length)
bus = cl->dev;

mutex_lock(&bus->device_lock);
+ if (bus->dev_state != MEI_DEV_ENABLED) {
+ rets = -ENODEV;
+ goto out;
+ }

cb = mei_cl_read_cb(cl, NULL);
if (cb)
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index d8486168415a..553113eb1bdb 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -596,6 +596,14 @@ static int mmc_blk_ioctl_cmd(struct block_device *bdev,
struct mmc_card *card;
int err = 0, ioc_err = 0;

+ /*
+ * The caller must have CAP_SYS_RAWIO, and must be calling this on the
+ * whole block device, not on a partition. This prevents overspray
+ * between sibling partitions.
+ */
+ if ((!capable(CAP_SYS_RAWIO)) || (bdev != bdev->bd_contains))
+ return -EPERM;
+
idata = mmc_blk_ioctl_copy_from_user(ic_ptr);
if (IS_ERR(idata))
return PTR_ERR(idata);
@@ -638,6 +646,14 @@ static int mmc_blk_ioctl_multi_cmd(struct block_device *bdev,
int i, err = 0, ioc_err = 0;
__u64 num_of_cmds;

+ /*
+ * The caller must have CAP_SYS_RAWIO, and must be calling this on the
+ * whole block device, not on a partition. This prevents overspray
+ * between sibling partitions.
+ */
+ if ((!capable(CAP_SYS_RAWIO)) || (bdev != bdev->bd_contains))
+ return -EPERM;
+
if (copy_from_user(&num_of_cmds, &user->num_of_cmds,
sizeof(num_of_cmds)))
return -EFAULT;
@@ -693,14 +709,6 @@ cmd_err:
static int mmc_blk_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
- /*
- * The caller must have CAP_SYS_RAWIO, and must be calling this on the
- * whole block device, not on a partition. This prevents overspray
- * between sibling partitions.
- */
- if ((!capable(CAP_SYS_RAWIO)) || (bdev != bdev->bd_contains))
- return -EPERM;
-
switch (cmd) {
case MMC_IOC_CMD:
return mmc_blk_ioctl_cmd(bdev,
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 1c1b45ef3faf..aad3243a48fc 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -1436,6 +1436,12 @@ static int mmc_spi_probe(struct spi_device *spi)
host->pdata->cd_debounce);
if (status != 0)
goto fail_add_host;
+
+ /* The platform has a CD GPIO signal that may support
+ * interrupts, so let mmc_gpiod_request_cd_irq() decide
+ * if polling is needed or not.
+ */
+ mmc->caps &= ~MMC_CAP_NEEDS_POLL;
mmc_gpiod_request_cd_irq(mmc);
}

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 8814eb6b83bf..1a802af827ed 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -666,9 +666,20 @@ static u8 sdhci_calc_timeout(struct sdhci_host *host, struct mmc_command *cmd)
if (!data)
target_timeout = cmd->busy_timeout * 1000;
else {
- target_timeout = data->timeout_ns / 1000;
- if (host->clock)
- target_timeout += data->timeout_clks / host->clock;
+ target_timeout = DIV_ROUND_UP(data->timeout_ns, 1000);
+ if (host->clock && data->timeout_clks) {
+ unsigned long long val;
+
+ /*
+ * data->timeout_clks is in units of clock cycles.
+ * host->clock is in Hz. target_timeout is in us.
+ * Hence, us = 1000000 * cycles / Hz. Round up.
+ */
+ val = 1000000 * data->timeout_clks;
+ if (do_div(val, host->clock))
+ target_timeout++;
+ target_timeout += val;
+ }
}

/*
@@ -3095,14 +3106,14 @@ int sdhci_add_host(struct sdhci_host *host)
if (caps[0] & SDHCI_TIMEOUT_CLK_UNIT)
host->timeout_clk *= 1000;

+ if (override_timeout_clk)
+ host->timeout_clk = override_timeout_clk;
+
mmc->max_busy_timeout = host->ops->get_max_timeout_count ?
host->ops->get_max_timeout_count(host) : 1 << 27;
mmc->max_busy_timeout /= host->timeout_clk;
}

- if (override_timeout_clk)
- host->timeout_clk = override_timeout_clk;
-
mmc->caps |= MMC_CAP_SDIO_IRQ | MMC_CAP_ERASE | MMC_CAP_CMD23;
mmc->caps2 |= MMC_CAP2_SDIO_IRQ_NOTHREAD;

diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index ad9ffea7d659..6234eab38ff3 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -397,38 +397,26 @@ static void sh_mmcif_start_dma_tx(struct sh_mmcif_host *host)
}

static struct dma_chan *
-sh_mmcif_request_dma_one(struct sh_mmcif_host *host,
- struct sh_mmcif_plat_data *pdata,
- enum dma_transfer_direction direction)
+sh_mmcif_request_dma_pdata(struct sh_mmcif_host *host, uintptr_t slave_id)
{
- struct dma_slave_config cfg = { 0, };
- struct dma_chan *chan;
- void *slave_data = NULL;
- struct resource *res;
- struct device *dev = sh_mmcif_host_to_dev(host);
dma_cap_mask_t mask;
- int ret;

dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
+ if (slave_id <= 0)
+ return NULL;

- if (pdata)
- slave_data = direction == DMA_MEM_TO_DEV ?
- (void *)pdata->slave_id_tx :
- (void *)pdata->slave_id_rx;
-
- chan = dma_request_slave_channel_compat(mask, shdma_chan_filter,
- slave_data, dev,
- direction == DMA_MEM_TO_DEV ? "tx" : "rx");
-
- dev_dbg(dev, "%s: %s: got channel %p\n", __func__,
- direction == DMA_MEM_TO_DEV ? "TX" : "RX", chan);
+ return dma_request_channel(mask, shdma_chan_filter, (void *)slave_id);
+}

- if (!chan)
- return NULL;
+static int sh_mmcif_dma_slave_config(struct sh_mmcif_host *host,
+ struct dma_chan *chan,
+ enum dma_transfer_direction direction)
+{
+ struct resource *res;
+ struct dma_slave_config cfg = { 0, };

res = platform_get_resource(host->pd, IORESOURCE_MEM, 0);
-
cfg.direction = direction;

if (direction == DMA_DEV_TO_MEM) {
@@ -439,38 +427,42 @@ sh_mmcif_request_dma_one(struct sh_mmcif_host *host,
cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
}

- ret = dmaengine_slave_config(chan, &cfg);
- if (ret < 0) {
- dma_release_channel(chan);
- return NULL;
- }
-
- return chan;
+ return dmaengine_slave_config(chan, &cfg);
}

-static void sh_mmcif_request_dma(struct sh_mmcif_host *host,
- struct sh_mmcif_plat_data *pdata)
+static void sh_mmcif_request_dma(struct sh_mmcif_host *host)
{
struct device *dev = sh_mmcif_host_to_dev(host);
host->dma_active = false;

- if (pdata) {
- if (pdata->slave_id_tx <= 0 || pdata->slave_id_rx <= 0)
- return;
- } else if (!dev->of_node) {
- return;
+ /* We can only either use DMA for both Tx and Rx or not use it at all */
+ if (IS_ENABLED(CONFIG_SUPERH) && dev->platform_data) {
+ struct sh_mmcif_plat_data *pdata = dev->platform_data;
+
+ host->chan_tx = sh_mmcif_request_dma_pdata(host,
+ pdata->slave_id_tx);
+ host->chan_rx = sh_mmcif_request_dma_pdata(host,
+ pdata->slave_id_rx);
+ } else {
+ host->chan_tx = dma_request_slave_channel(dev, "tx");
+ host->chan_rx = dma_request_slave_channel(dev, "rx");
}
+ dev_dbg(dev, "%s: got channel TX %p RX %p\n", __func__, host->chan_tx,
+ host->chan_rx);

- /* We can only either use DMA for both Tx and Rx or not use it at all */
- host->chan_tx = sh_mmcif_request_dma_one(host, pdata, DMA_MEM_TO_DEV);
- if (!host->chan_tx)
- return;
+ if (!host->chan_tx || !host->chan_rx ||
+ sh_mmcif_dma_slave_config(host, host->chan_tx, DMA_MEM_TO_DEV) ||
+ sh_mmcif_dma_slave_config(host, host->chan_rx, DMA_DEV_TO_MEM))
+ goto error;

- host->chan_rx = sh_mmcif_request_dma_one(host, pdata, DMA_DEV_TO_MEM);
- if (!host->chan_rx) {
+ return;
+
+error:
+ if (host->chan_tx)
dma_release_channel(host->chan_tx);
- host->chan_tx = NULL;
- }
+ if (host->chan_rx)
+ dma_release_channel(host->chan_rx);
+ host->chan_tx = host->chan_rx = NULL;
}

static void sh_mmcif_release_dma(struct sh_mmcif_host *host)
@@ -1102,7 +1094,7 @@ static void sh_mmcif_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
if (ios->power_mode == MMC_POWER_UP) {
if (!host->card_present) {
/* See if we also get DMA */
- sh_mmcif_request_dma(host, dev->platform_data);
+ sh_mmcif_request_dma(host);
host->card_present = true;
}
sh_mmcif_set_power(host, ios);
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 43b3392ffee7..652d01832873 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -2599,6 +2599,7 @@ static int onenand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
*/
static int onenand_block_markbad(struct mtd_info *mtd, loff_t ofs)
{
+ struct onenand_chip *this = mtd->priv;
int ret;

ret = onenand_block_isbad(mtd, ofs);
@@ -2610,7 +2611,7 @@ static int onenand_block_markbad(struct mtd_info *mtd, loff_t ofs)
}

onenand_get_device(mtd, FL_WRITING);
- ret = mtd_block_markbad(mtd, ofs);
+ ret = this->block_markbad(mtd, ofs);
onenand_release_device(mtd);
return ret;
}
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index ed622fa29dfa..a4ac6fedac75 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3404,7 +3404,7 @@ static int mvneta_probe(struct platform_device *pdev)
dev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO;
dev->hw_features |= dev->features;
dev->vlan_features |= dev->features;
- dev->priv_flags |= IFF_UNICAST_FLT;
+ dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE;
dev->gso_max_segs = MVNETA_MAX_TSO_SEGS;

err = register_netdev(dev);
diff --git a/drivers/net/irda/irtty-sir.c b/drivers/net/irda/irtty-sir.c
index 696852eb23c3..7a3f990c1935 100644
--- a/drivers/net/irda/irtty-sir.c
+++ b/drivers/net/irda/irtty-sir.c
@@ -430,16 +430,6 @@ static int irtty_open(struct tty_struct *tty)

/* Module stuff handled via irda_ldisc.owner - Jean II */

- /* First make sure we're not already connected. */
- if (tty->disc_data != NULL) {
- priv = tty->disc_data;
- if (priv && priv->magic == IRTTY_MAGIC) {
- ret = -EEXIST;
- goto out;
- }
- tty->disc_data = NULL; /* ### */
- }
-
/* stop the underlying driver */
irtty_stop_receiver(tty, TRUE);
if (tty->ops->stop)
diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c
index 01f08a7751f7..e7034c55e796 100644
--- a/drivers/net/rionet.c
+++ b/drivers/net/rionet.c
@@ -280,7 +280,7 @@ static void rionet_outb_msg_event(struct rio_mport *mport, void *dev_id, int mbo
struct net_device *ndev = dev_id;
struct rionet_private *rnet = netdev_priv(ndev);

- spin_lock(&rnet->lock);
+ spin_lock(&rnet->tx_lock);

if (netif_msg_intr(rnet))
printk(KERN_INFO
@@ -299,7 +299,7 @@ static void rionet_outb_msg_event(struct rio_mport *mport, void *dev_id, int mbo
if (rnet->tx_cnt < RIONET_TX_RING_SIZE)
netif_wake_queue(ndev);

- spin_unlock(&rnet->lock);
+ spin_unlock(&rnet->tx_lock);
}

static int rionet_open(struct net_device *ndev)
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c
index d906fa13ba97..610c442c7ab2 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/iwlwifi/mvm/fw.c
@@ -106,7 +106,7 @@ static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
sizeof(tx_ant_cmd), &tx_ant_cmd);
}

-static void iwl_free_fw_paging(struct iwl_mvm *mvm)
+void iwl_free_fw_paging(struct iwl_mvm *mvm)
{
int i;

@@ -126,6 +126,8 @@ static void iwl_free_fw_paging(struct iwl_mvm *mvm)
get_order(mvm->fw_paging_db[i].fw_paging_size));
}
kfree(mvm->trans->paging_download_buf);
+ mvm->trans->paging_download_buf = NULL;
+
memset(mvm->fw_paging_db, 0, sizeof(mvm->fw_paging_db));
}

diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index 4bde2d027dcd..244e26c26821 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -1190,6 +1190,9 @@ void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb);

+/* Paging */
+void iwl_free_fw_paging(struct iwl_mvm *mvm);
+
/* MVM debugfs */
#ifdef CONFIG_IWLWIFI_DEBUGFS
int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
index 13c97f665ba8..c3adf2bcdc85 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -645,6 +645,8 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
kfree(mvm->nvm_sections[i].data);

+ iwl_free_fw_paging(mvm);
+
iwl_mvm_tof_clean(mvm);

ieee80211_free_hw(mvm->hw);
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index 7e2c43f701bc..496b9b662dc6 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -513,10 +513,10 @@ static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm,

/* fail write commands (when read-only) */
if (read_only)
- switch (ioctl_cmd) {
- case ND_IOCTL_VENDOR:
- case ND_IOCTL_SET_CONFIG_DATA:
- case ND_IOCTL_ARS_START:
+ switch (cmd) {
+ case ND_CMD_VENDOR:
+ case ND_CMD_SET_CONFIG_DATA:
+ case ND_CMD_ARS_START:
dev_dbg(&nvdimm_bus->dev, "'%s' command while read-only.\n",
nvdimm ? nvdimm_cmd_name(cmd)
: nvdimm_bus_cmd_name(cmd));
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 1a3556a9e9ea..ed01c0172e4a 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -32,11 +32,13 @@ int __init __weak early_init_dt_alloc_reserved_memory_arch(phys_addr_t size,
phys_addr_t align, phys_addr_t start, phys_addr_t end, bool nomap,
phys_addr_t *res_base)
{
+ phys_addr_t base;
/*
* We use __memblock_alloc_base() because memblock_alloc_base()
* panic()s on allocation failure.
*/
- phys_addr_t base = __memblock_alloc_base(size, align, end);
+ end = !end ? MEMBLOCK_ALLOC_ANYWHERE : end;
+ base = __memblock_alloc_base(size, align, end);
if (!base)
return -ENOMEM;

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index edb1984201e9..7aafb5fb9336 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -179,6 +179,9 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
u16 orig_cmd;
struct pci_bus_region region, inverted_region;

+ if (dev->non_compliant_bars)
+ return 0;
+
mask = type ? PCI_ROM_ADDRESS_MASK : ~0;

/* No printks while decoding is disabled! */
@@ -1174,6 +1177,7 @@ void pci_msi_setup_pci_dev(struct pci_dev *dev)
int pci_setup_device(struct pci_dev *dev)
{
u32 class;
+ u16 cmd;
u8 hdr_type;
int pos = 0;
struct pci_bus_region region;
@@ -1219,6 +1223,16 @@ int pci_setup_device(struct pci_dev *dev)
/* device class may be changed after fixup */
class = dev->class >> 8;

+ if (dev->non_compliant_bars) {
+ pci_read_config_word(dev, PCI_COMMAND, &cmd);
+ if (cmd & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) {
+ dev_info(&dev->dev, "device has non-compliant BARs; disabling IO/MEM decoding\n");
+ cmd &= ~PCI_COMMAND_IO;
+ cmd &= ~PCI_COMMAND_MEMORY;
+ pci_write_config_word(dev, PCI_COMMAND, cmd);
+ }
+ }
+
switch (dev->hdr_type) { /* header type */
case PCI_HEADER_TYPE_NORMAL: /* standard header */
if (class == PCI_CLASS_BRIDGE_PCI)
diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
index 2e6ca69635aa..17dd8fe12b54 100644
--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
@@ -779,7 +779,7 @@ static int bcm2835_pctl_dt_node_to_map(struct pinctrl_dev *pctldev,
}
if (num_pulls) {
err = of_property_read_u32_index(np, "brcm,pull",
- (num_funcs > 1) ? i : 0, &pull);
+ (num_pulls > 1) ? i : 0, &pull);
if (err)
goto out;
err = bcm2835_pctl_dt_node_to_map_pull(pc, np, pin,
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index d78ee151c9e4..be3bc2f4edd4 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -865,6 +865,20 @@ static const struct dmi_system_id no_hw_rfkill_list[] = {
},
},
{
+ .ident = "Lenovo ideapad Y700-15ISK",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad Y700-15ISK"),
+ },
+ },
+ {
+ .ident = "Lenovo ideapad Y700 Touch-15ISK",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad Y700 Touch-15ISK"),
+ },
+ },
+ {
.ident = "Lenovo ideapad Y700-17ISK",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 73b7683355cd..7b94b8ee087c 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -132,24 +132,24 @@ static bool have_full_constraints(void)
return has_full_constraints || of_have_populated_dt();
}

+static inline struct regulator_dev *rdev_get_supply(struct regulator_dev *rdev)
+{
+ if (rdev && rdev->supply)
+ return rdev->supply->rdev;
+
+ return NULL;
+}
+
/**
* regulator_lock_supply - lock a regulator and its supplies
* @rdev: regulator source
*/
static void regulator_lock_supply(struct regulator_dev *rdev)
{
- struct regulator *supply;
- int i = 0;
-
- while (1) {
- mutex_lock_nested(&rdev->mutex, i++);
- supply = rdev->supply;
-
- if (!rdev->supply)
- return;
+ int i;

- rdev = supply->rdev;
- }
+ for (i = 0; rdev->supply; rdev = rdev_get_supply(rdev), i++)
+ mutex_lock_nested(&rdev->mutex, i);
}

/**
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 074878b55a0b..d044f3f273be 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -944,6 +944,7 @@ struct fib {
*/
struct list_head fiblink;
void *data;
+ u32 vector_no;
struct hw_fib *hw_fib_va; /* Actual shared object */
dma_addr_t hw_fib_pa; /* physical address of hw_fib*/
};
@@ -2113,6 +2114,7 @@ static inline unsigned int cap_to_cyls(sector_t capacity, unsigned divisor)
int aac_acquire_irq(struct aac_dev *dev);
void aac_free_irq(struct aac_dev *dev);
const char *aac_driverinfo(struct Scsi_Host *);
+void aac_fib_vector_assign(struct aac_dev *dev);
struct fib *aac_fib_alloc(struct aac_dev *dev);
int aac_fib_setup(struct aac_dev *dev);
void aac_fib_map_free(struct aac_dev *dev);
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index a1f90fe849c9..4cbf54928640 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -83,13 +83,38 @@ static int fib_map_alloc(struct aac_dev *dev)

void aac_fib_map_free(struct aac_dev *dev)
{
- pci_free_consistent(dev->pdev,
- dev->max_fib_size * (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB),
- dev->hw_fib_va, dev->hw_fib_pa);
+ if (dev->hw_fib_va && dev->max_fib_size) {
+ pci_free_consistent(dev->pdev,
+ (dev->max_fib_size *
+ (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB)),
+ dev->hw_fib_va, dev->hw_fib_pa);
+ }
dev->hw_fib_va = NULL;
dev->hw_fib_pa = 0;
}

+void aac_fib_vector_assign(struct aac_dev *dev)
+{
+ u32 i = 0;
+ u32 vector = 1;
+ struct fib *fibptr = NULL;
+
+ for (i = 0, fibptr = &dev->fibs[i];
+ i < (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB);
+ i++, fibptr++) {
+ if ((dev->max_msix == 1) ||
+ (i > ((dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB - 1)
+ - dev->vector_cap))) {
+ fibptr->vector_no = 0;
+ } else {
+ fibptr->vector_no = vector;
+ vector++;
+ if (vector == dev->max_msix)
+ vector = 1;
+ }
+ }
+}
+
/**
* aac_fib_setup - setup the fibs
* @dev: Adapter to set up
@@ -151,6 +176,12 @@ int aac_fib_setup(struct aac_dev * dev)
hw_fib_pa = hw_fib_pa +
dev->max_fib_size + sizeof(struct aac_fib_xporthdr);
}
+
+ /*
+ *Assign vector numbers to fibs
+ */
+ aac_fib_vector_assign(dev);
+
/*
* Add the fib chain to the free list
*/
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 3b6e5c67e853..aa6eccb8940b 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -1404,8 +1404,18 @@ static int aac_acquire_resources(struct aac_dev *dev)

aac_adapter_enable_int(dev);

- if (!dev->sync_mode)
+ /*max msix may change after EEH
+ * Re-assign vectors to fibs
+ */
+ aac_fib_vector_assign(dev);
+
+ if (!dev->sync_mode) {
+ /* After EEH recovery or suspend resume, max_msix count
+ * may change, therfore updating in init as well.
+ */
aac_adapter_start(dev);
+ dev->init->Sa_MSIXVectors = cpu_to_le32(dev->max_msix);
+ }
return 0;

error_iounmap:
diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c
index 2aa34ea8ceb1..bc0203f3d243 100644
--- a/drivers/scsi/aacraid/src.c
+++ b/drivers/scsi/aacraid/src.c
@@ -156,8 +156,8 @@ static irqreturn_t aac_src_intr_message(int irq, void *dev_id)
break;
if (dev->msi_enabled && dev->max_msix > 1)
atomic_dec(&dev->rrq_outstanding[vector_no]);
- aac_intr_normal(dev, handle-1, 0, isFastResponse, NULL);
dev->host_rrq[index++] = 0;
+ aac_intr_normal(dev, handle-1, 0, isFastResponse, NULL);
if (index == (vector_no + 1) * dev->vector_cap)
index = vector_no * dev->vector_cap;
dev->host_rrq_idx[vector_no] = index;
@@ -452,36 +452,20 @@ static int aac_src_deliver_message(struct fib *fib)
#endif

u16 hdr_size = le16_to_cpu(fib->hw_fib_va->header.Size);
+ u16 vector_no;

atomic_inc(&q->numpending);

if (dev->msi_enabled && fib->hw_fib_va->header.Command != AifRequest &&
dev->max_msix > 1) {
- u_int16_t vector_no, first_choice = 0xffff;
-
- vector_no = dev->fibs_pushed_no % dev->max_msix;
- do {
- vector_no += 1;
- if (vector_no == dev->max_msix)
- vector_no = 1;
- if (atomic_read(&dev->rrq_outstanding[vector_no]) <
- dev->vector_cap)
- break;
- if (0xffff == first_choice)
- first_choice = vector_no;
- else if (vector_no == first_choice)
- break;
- } while (1);
- if (vector_no == first_choice)
- vector_no = 0;
- atomic_inc(&dev->rrq_outstanding[vector_no]);
- if (dev->fibs_pushed_no == 0xffffffff)
- dev->fibs_pushed_no = 0;
- else
- dev->fibs_pushed_no++;
+ vector_no = fib->vector_no;
fib->hw_fib_va->header.Handle += (vector_no << 16);
+ } else {
+ vector_no = 0;
}

+ atomic_inc(&dev->rrq_outstanding[vector_no]);
+
if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2) {
/* Calculate the amount to the fibsize bits */
fibsize = (hdr_size + 127) / 128 - 1;
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index b846a4683562..fc6a83188c1e 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -1336,6 +1336,7 @@ ahc_platform_set_tags(struct ahc_softc *ahc, struct scsi_device *sdev,
case AHC_DEV_Q_TAGGED:
scsi_change_queue_depth(sdev,
dev->openings + dev->active);
+ break;
default:
/*
* We allow the OS to queue 2 untagged transactions to
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index fe0c5143f8e6..758f76e88704 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -4470,6 +4470,7 @@ put_shost:
scsi_host_put(phba->shost);
free_kset:
iscsi_boot_destroy_kset(phba->boot_kset);
+ phba->boot_kset = NULL;
return -ENOMEM;
}

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 536cd5a80422..43ac62623bf2 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -4003,13 +4003,17 @@ static ssize_t ipr_store_update_fw(struct device *dev,
struct ipr_sglist *sglist;
char fname[100];
char *src;
- int len, result, dnld_size;
+ char *endline;
+ int result, dnld_size;

if (!capable(CAP_SYS_ADMIN))
return -EACCES;

- len = snprintf(fname, 99, "%s", buf);
- fname[len-1] = '\0';
+ snprintf(fname, sizeof(fname), "%s", buf);
+
+ endline = strchr(fname, '\n');
+ if (endline)
+ *endline = '\0';

if (request_firmware(&fw_entry, fname, &ioa_cfg->pdev->dev)) {
dev_err(&ioa_cfg->pdev->dev, "Firmware file %s not found\n", fname);
diff --git a/drivers/scsi/scsi_common.c b/drivers/scsi/scsi_common.c
index c126966130ab..ce79de822e46 100644
--- a/drivers/scsi/scsi_common.c
+++ b/drivers/scsi/scsi_common.c
@@ -278,8 +278,16 @@ int scsi_set_sense_information(u8 *buf, int buf_len, u64 info)
ucp[3] = 0;
put_unaligned_be64(info, &ucp[4]);
} else if ((buf[0] & 0x7f) == 0x70) {
- buf[0] |= 0x80;
- put_unaligned_be64(info, &buf[3]);
+ /*
+ * Only set the 'VALID' bit if we can represent the value
+ * correctly; otherwise just fill out the lower bytes and
+ * clear the 'VALID' flag.
+ */
+ if (info <= 0xffffffffUL)
+ buf[0] |= 0x80;
+ else
+ buf[0] &= 0x7f;
+ put_unaligned_be32((u32)info, &buf[3]);
}

return 0;
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index bb669d32ccd0..cc84ea7d09cc 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -648,7 +648,7 @@ static void sd_config_discard(struct scsi_disk *sdkp, unsigned int mode)
*/
if (sdkp->lbprz) {
q->limits.discard_alignment = 0;
- q->limits.discard_granularity = 1;
+ q->limits.discard_granularity = logical_block_size;
} else {
q->limits.discard_alignment = sdkp->unmap_alignment *
logical_block_size;
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 5e820674432c..ae7d9bdf409c 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -652,7 +652,8 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
else
hp->dxfer_direction = (mxsize > 0) ? SG_DXFER_FROM_DEV : SG_DXFER_NONE;
hp->dxfer_len = mxsize;
- if (hp->dxfer_direction == SG_DXFER_TO_DEV)
+ if ((hp->dxfer_direction == SG_DXFER_TO_DEV) ||
+ (hp->dxfer_direction == SG_DXFER_TO_FROM_DEV))
hp->dxferp = (char __user *)buf + cmd_size;
else
hp->dxferp = NULL;
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 3fba42ad9fb8..0f636cc4c809 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -889,8 +889,9 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb,
do_work = true;
process_err_fn = storvsc_remove_lun;
break;
- case (SRB_STATUS_ABORTED | SRB_STATUS_AUTOSENSE_VALID):
- if ((asc == 0x2a) && (ascq == 0x9)) {
+ case SRB_STATUS_ABORTED:
+ if (vm_srb->srb_status & SRB_STATUS_AUTOSENSE_VALID &&
+ (asc == 0x2a) && (ascq == 0x9)) {
do_work = true;
process_err_fn = storvsc_device_scan;
/*
diff --git a/drivers/staging/android/ion/ion_test.c b/drivers/staging/android/ion/ion_test.c
index b8dcf5a26cc4..58d46893e5ff 100644
--- a/drivers/staging/android/ion/ion_test.c
+++ b/drivers/staging/android/ion/ion_test.c
@@ -285,8 +285,8 @@ static int __init ion_test_init(void)
{
ion_test_pdev = platform_device_register_simple("ion-test",
-1, NULL, 0);
- if (!ion_test_pdev)
- return -ENODEV;
+ if (IS_ERR(ion_test_pdev))
+ return PTR_ERR(ion_test_pdev);

return platform_driver_probe(&ion_test_platform_driver, ion_test_probe);
}
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index 6cc304a4c59b..27fbf1a81097 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -246,24 +246,24 @@ static void ni_writel(struct comedi_device *dev, uint32_t data, int reg)
{
if (dev->mmio)
writel(data, dev->mmio + reg);
-
- outl(data, dev->iobase + reg);
+ else
+ outl(data, dev->iobase + reg);
}

static void ni_writew(struct comedi_device *dev, uint16_t data, int reg)
{
if (dev->mmio)
writew(data, dev->mmio + reg);
-
- outw(data, dev->iobase + reg);
+ else
+ outw(data, dev->iobase + reg);
}

static void ni_writeb(struct comedi_device *dev, uint8_t data, int reg)
{
if (dev->mmio)
writeb(data, dev->mmio + reg);
-
- outb(data, dev->iobase + reg);
+ else
+ outb(data, dev->iobase + reg);
}

static uint32_t ni_readl(struct comedi_device *dev, int reg)
diff --git a/drivers/staging/comedi/drivers/ni_tiocmd.c b/drivers/staging/comedi/drivers/ni_tiocmd.c
index 437f723bb34d..823e47910004 100644
--- a/drivers/staging/comedi/drivers/ni_tiocmd.c
+++ b/drivers/staging/comedi/drivers/ni_tiocmd.c
@@ -92,7 +92,7 @@ static int ni_tio_input_inttrig(struct comedi_device *dev,
unsigned long flags;
int ret = 0;

- if (trig_num != cmd->start_src)
+ if (trig_num != cmd->start_arg)
return -EINVAL;

spin_lock_irqsave(&counter->lock, flags);
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 94f4ffac723f..d151bc3d6971 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2618,8 +2618,6 @@ void target_wait_for_sess_cmds(struct se_session *se_sess)

list_for_each_entry_safe(se_cmd, tmp_cmd,
&se_sess->sess_wait_list, se_cmd_list) {
- list_del_init(&se_cmd->se_cmd_list);
-
pr_debug("Waiting for se_cmd: %p t_state: %d, fabric state:"
" %d\n", se_cmd, se_cmd->t_state,
se_cmd->se_tfo->get_cmd_state(se_cmd));
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index ba08b5521382..3d5f8f432b5b 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -454,6 +454,10 @@ static void handle_thermal_trip(struct thermal_zone_device *tz, int trip)
{
enum thermal_trip_type type;

+ /* Ignore disabled trip points */
+ if (test_bit(trip, &tz->trips_disabled))
+ return;
+
tz->ops->get_trip_type(tz, trip, &type);

if (type == THERMAL_TRIP_CRITICAL || type == THERMAL_TRIP_HOT)
@@ -1796,6 +1800,7 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type,
{
struct thermal_zone_device *tz;
enum thermal_trip_type trip_type;
+ int trip_temp;
int result;
int count;
int passive = 0;
@@ -1867,9 +1872,15 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type,
goto unregister;

for (count = 0; count < trips; count++) {
- tz->ops->get_trip_type(tz, count, &trip_type);
+ if (tz->ops->get_trip_type(tz, count, &trip_type))
+ set_bit(count, &tz->trips_disabled);
if (trip_type == THERMAL_TRIP_PASSIVE)
passive = 1;
+ if (tz->ops->get_trip_temp(tz, count, &trip_temp))
+ set_bit(count, &tz->trips_disabled);
+ /* Check for bogus trip points */
+ if (trip_temp == 0)
+ set_bit(count, &tz->trips_disabled);
}

if (!passive) {
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 52d82d2ac726..56ccbcefdd85 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -713,22 +713,16 @@ static int size_fifo(struct uart_8250_port *up)
*/
static unsigned int autoconfig_read_divisor_id(struct uart_8250_port *p)
{
- unsigned char old_dll, old_dlm, old_lcr;
- unsigned int id;
+ unsigned char old_lcr;
+ unsigned int id, old_dl;

old_lcr = serial_in(p, UART_LCR);
serial_out(p, UART_LCR, UART_LCR_CONF_MODE_A);
+ old_dl = serial_dl_read(p);
+ serial_dl_write(p, 0);
+ id = serial_dl_read(p);
+ serial_dl_write(p, old_dl);

- old_dll = serial_in(p, UART_DLL);
- old_dlm = serial_in(p, UART_DLM);
-
- serial_out(p, UART_DLL, 0);
- serial_out(p, UART_DLM, 0);
-
- id = serial_in(p, UART_DLL) | serial_in(p, UART_DLM) << 8;
-
- serial_out(p, UART_DLL, old_dll);
- serial_out(p, UART_DLM, old_dlm);
serial_out(p, UART_LCR, old_lcr);

return id;
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index fa4e23930614..d37fdcc3143c 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1114,6 +1114,9 @@ static int acm_probe(struct usb_interface *intf,
if (quirks == NO_UNION_NORMAL) {
data_interface = usb_ifnum_to_if(usb_dev, 1);
control_interface = usb_ifnum_to_if(usb_dev, 0);
+ /* we would crash */
+ if (!data_interface || !control_interface)
+ return -ENODEV;
goto skip_normal_probe;
}

diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 56593a9a8726..2057d91d8336 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -502,11 +502,15 @@ static int usb_unbind_interface(struct device *dev)
int usb_driver_claim_interface(struct usb_driver *driver,
struct usb_interface *iface, void *priv)
{
- struct device *dev = &iface->dev;
+ struct device *dev;
struct usb_device *udev;
int retval = 0;
int lpm_disable_error;

+ if (!iface)
+ return -ENODEV;
+
+ dev = &iface->dev;
if (dev->driver)
return -EBUSY;

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 1560f3f3e756..2a274884c7ea 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4277,7 +4277,7 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1,
{
struct usb_device *hdev = hub->hdev;
struct usb_hcd *hcd = bus_to_hcd(hdev->bus);
- int i, j, retval;
+ int retries, operations, retval, i;
unsigned delay = HUB_SHORT_RESET_TIME;
enum usb_device_speed oldspeed = udev->speed;
const char *speed;
@@ -4379,7 +4379,7 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1,
* first 8 bytes of the device descriptor to get the ep0 maxpacket
* value.
*/
- for (i = 0; i < GET_DESCRIPTOR_TRIES; (++i, msleep(100))) {
+ for (retries = 0; retries < GET_DESCRIPTOR_TRIES; (++retries, msleep(100))) {
bool did_new_scheme = false;

if (use_new_scheme(udev, retry_counter)) {
@@ -4406,7 +4406,7 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1,
* 255 is for WUSB devices, we actually need to use
* 512 (WUSB1.0[4.8.1]).
*/
- for (j = 0; j < 3; ++j) {
+ for (operations = 0; operations < 3; ++operations) {
buf->bMaxPacketSize0 = 0;
r = usb_control_msg(udev, usb_rcvaddr0pipe(),
USB_REQ_GET_DESCRIPTOR, USB_DIR_IN,
@@ -4426,7 +4426,13 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1,
r = -EPROTO;
break;
}
- if (r == 0)
+ /*
+ * Some devices time out if they are powered on
+ * when already connected. They need a second
+ * reset. But only on the first attempt,
+ * lest we get into a time out/reset loop
+ */
+ if (r == 0 || (r == -ETIMEDOUT && retries == 0))
break;
}
udev->descriptor.bMaxPacketSize0 =
@@ -4458,7 +4464,7 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1,
* authorization will assign the final address.
*/
if (udev->wusb == 0) {
- for (j = 0; j < SET_ADDRESS_TRIES; ++j) {
+ for (operations = 0; operations < SET_ADDRESS_TRIES; ++operations) {
retval = hub_set_address(udev, devnum);
if (retval >= 0)
break;
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index c6bfd13f6c92..1950e87b4219 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -787,6 +787,12 @@ static int iowarrior_probe(struct usb_interface *interface,
iface_desc = interface->cur_altsetting;
dev->product_id = le16_to_cpu(udev->descriptor.idProduct);

+ if (iface_desc->desc.bNumEndpoints < 1) {
+ dev_err(&interface->dev, "Invalid number of endpoints\n");
+ retval = -EINVAL;
+ goto error;
+ }
+
/* set up the endpoint information */
for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
endpoint = &iface_desc->endpoint[i].desc;
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 7a76fe4c2f9e..bdc0f2f24f19 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -164,6 +164,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x18EF, 0xE025) }, /* ELV Marble Sound Board 1 */
{ USB_DEVICE(0x1901, 0x0190) }, /* GE B850 CP2105 Recorder interface */
{ USB_DEVICE(0x1901, 0x0193) }, /* GE B650 CP2104 PMC interface */
+ { USB_DEVICE(0x1901, 0x0194) }, /* GE Healthcare Remote Alarm Box */
{ USB_DEVICE(0x19CF, 0x3000) }, /* Parrot NMEA GPS Flight Recorder */
{ USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */
{ USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 01bf53392819..244acb1299a9 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -447,6 +447,11 @@ static int cypress_generic_port_probe(struct usb_serial_port *port)
struct usb_serial *serial = port->serial;
struct cypress_private *priv;

+ if (!port->interrupt_out_urb || !port->interrupt_in_urb) {
+ dev_err(&port->dev, "required endpoint is missing\n");
+ return -ENODEV;
+ }
+
priv = kzalloc(sizeof(struct cypress_private), GFP_KERNEL);
if (!priv)
return -ENOMEM;
@@ -606,12 +611,6 @@ static int cypress_open(struct tty_struct *tty, struct usb_serial_port *port)
cypress_set_termios(tty, port, &priv->tmp_termios);

/* setup the port and start reading from the device */
- if (!port->interrupt_in_urb) {
- dev_err(&port->dev, "%s - interrupt_in_urb is empty!\n",
- __func__);
- return -1;
- }
-
usb_fill_int_urb(port->interrupt_in_urb, serial->dev,
usb_rcvintpipe(serial->dev, port->interrupt_in_endpointAddress),
port->interrupt_in_urb->transfer_buffer,
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 12b0e67473ba..3df7b7ec178e 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -1251,8 +1251,27 @@ static int digi_port_init(struct usb_serial_port *port, unsigned port_num)

static int digi_startup(struct usb_serial *serial)
{
+ struct device *dev = &serial->interface->dev;
struct digi_serial *serial_priv;
int ret;
+ int i;
+
+ /* check whether the device has the expected number of endpoints */
+ if (serial->num_port_pointers < serial->type->num_ports + 1) {
+ dev_err(dev, "OOB endpoints missing\n");
+ return -ENODEV;
+ }
+
+ for (i = 0; i < serial->type->num_ports + 1 ; i++) {
+ if (!serial->port[i]->read_urb) {
+ dev_err(dev, "bulk-in endpoint missing\n");
+ return -ENODEV;
+ }
+ if (!serial->port[i]->write_urb) {
+ dev_err(dev, "bulk-out endpoint missing\n");
+ return -ENODEV;
+ }
+ }

serial_priv = kzalloc(sizeof(*serial_priv), GFP_KERNEL);
if (!serial_priv)
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 8c660ae401d8..b61f12160d37 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1004,6 +1004,10 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_DISPLAY_PID) },
{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_LITE_PID) },
{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ANALOG_PID) },
+ /* ICP DAS I-756xU devices */
+ { USB_DEVICE(ICPDAS_VID, ICPDAS_I7560U_PID) },
+ { USB_DEVICE(ICPDAS_VID, ICPDAS_I7561U_PID) },
+ { USB_DEVICE(ICPDAS_VID, ICPDAS_I7563U_PID) },
{ } /* Terminating entry */
};

diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index a84df2513994..c5d6c1e73e8e 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -872,6 +872,14 @@
#define NOVITUS_BONO_E_PID 0x6010

/*
+ * ICPDAS I-756*U devices
+ */
+#define ICPDAS_VID 0x1b5c
+#define ICPDAS_I7560U_PID 0x0103
+#define ICPDAS_I7561U_PID 0x0104
+#define ICPDAS_I7563U_PID 0x0105
+
+/*
* RT Systems programming cables for various ham radios
*/
#define RTSYSTEMS_VID 0x2100 /* Vendor ID */
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index fd707d6a10e2..89726f702202 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -376,14 +376,21 @@ static void mct_u232_msr_to_state(struct usb_serial_port *port,

static int mct_u232_port_probe(struct usb_serial_port *port)
{
+ struct usb_serial *serial = port->serial;
struct mct_u232_private *priv;

+ /* check first to simplify error handling */
+ if (!serial->port[1] || !serial->port[1]->interrupt_in_urb) {
+ dev_err(&port->dev, "expected endpoint missing\n");
+ return -ENODEV;
+ }
+
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;

/* Use second interrupt-in endpoint for reading. */
- priv->read_urb = port->serial->port[1]->interrupt_in_urb;
+ priv->read_urb = serial->port[1]->interrupt_in_urb;
priv->read_urb->context = port;

spin_lock_init(&priv->lock);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 348e19834b83..c6f497f16526 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1818,6 +1818,8 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d02, 0xff, 0x00, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x02, 0x01) },
{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) },
+ { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e19, 0xff), /* D-Link DWM-221 B1 */
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 5c66d3f7a6d0..ce0cd6e20d4f 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -812,7 +812,7 @@ static struct scsi_host_template uas_host_template = {
.slave_configure = uas_slave_configure,
.eh_abort_handler = uas_eh_abort_handler,
.eh_bus_reset_handler = uas_eh_bus_reset_handler,
- .can_queue = 65536, /* Is there a limit on the _host_ ? */
+ .can_queue = MAX_CMNDS,
.this_id = -1,
.sg_tablesize = SG_NONE,
.skip_settle_delay = 1,
diff --git a/drivers/watchdog/rc32434_wdt.c b/drivers/watchdog/rc32434_wdt.c
index 71e78ef4b736..3a75f3b53452 100644
--- a/drivers/watchdog/rc32434_wdt.c
+++ b/drivers/watchdog/rc32434_wdt.c
@@ -237,7 +237,7 @@ static long rc32434_wdt_ioctl(struct file *file, unsigned int cmd,
return -EINVAL;
/* Fall through */
case WDIOC_GETTIMEOUT:
- return copy_to_user(argp, &timeout, sizeof(int));
+ return copy_to_user(argp, &timeout, sizeof(int)) ? -EFAULT : 0;
default:
return -ENOTTY;
}
diff --git a/fs/coredump.c b/fs/coredump.c
index 1777331eee76..dfc87c5f5a54 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -32,6 +32,9 @@
#include <linux/pipe_fs_i.h>
#include <linux/oom.h>
#include <linux/compat.h>
+#include <linux/sched.h>
+#include <linux/fs.h>
+#include <linux/path.h>

#include <asm/uaccess.h>
#include <asm/mmu_context.h>
@@ -627,6 +630,8 @@ void do_coredump(const siginfo_t *siginfo)
}
} else {
struct inode *inode;
+ int open_flags = O_CREAT | O_RDWR | O_NOFOLLOW |
+ O_LARGEFILE | O_EXCL;

if (cprm.limit < binfmt->min_coredump)
goto fail_unlock;
@@ -665,10 +670,27 @@ void do_coredump(const siginfo_t *siginfo)
* what matters is that at least one of the two processes
* writes its coredump successfully, not which one.
*/
- cprm.file = filp_open(cn.corename,
- O_CREAT | 2 | O_NOFOLLOW |
- O_LARGEFILE | O_EXCL,
- 0600);
+ if (need_suid_safe) {
+ /*
+ * Using user namespaces, normal user tasks can change
+ * their current->fs->root to point to arbitrary
+ * directories. Since the intention of the "only dump
+ * with a fully qualified path" rule is to control where
+ * coredumps may be placed using root privileges,
+ * current->fs->root must not be used. Instead, use the
+ * root directory of init_task.
+ */
+ struct path root;
+
+ task_lock(&init_task);
+ get_fs_root(init_task.fs, &root);
+ task_unlock(&init_task);
+ cprm.file = file_open_root(root.dentry, root.mnt,
+ cn.corename, open_flags, 0600);
+ path_put(&root);
+ } else {
+ cprm.file = filp_open(cn.corename, open_flags, 0600);
+ }
if (IS_ERR(cprm.file))
goto fail_unlock;

diff --git a/fs/fhandle.c b/fs/fhandle.c
index d59712dfa3e7..ca3c3dd01789 100644
--- a/fs/fhandle.c
+++ b/fs/fhandle.c
@@ -228,7 +228,7 @@ long do_handle_open(int mountdirfd,
path_put(&path);
return fd;
}
- file = file_open_root(path.dentry, path.mnt, "", open_flag);
+ file = file_open_root(path.dentry, path.mnt, "", open_flag, 0);
if (IS_ERR(file)) {
put_unused_fd(fd);
retval = PTR_ERR(file);
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 7a8ea1351584..60d6fc2e0e4b 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -281,13 +281,15 @@ locked_inode_to_wb_and_lock_list(struct inode *inode)
wb_get(wb);
spin_unlock(&inode->i_lock);
spin_lock(&wb->list_lock);
- wb_put(wb); /* not gonna deref it anymore */

/* i_wb may have changed inbetween, can't use inode_to_wb() */
- if (likely(wb == inode->i_wb))
- return wb; /* @inode already has ref */
+ if (likely(wb == inode->i_wb)) {
+ wb_put(wb); /* @inode already has ref */
+ return wb;
+ }

spin_unlock(&wb->list_lock);
+ wb_put(wb);
cpu_relax();
spin_lock(&inode->i_lock);
}
@@ -1339,10 +1341,10 @@ __writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
* we go e.g. from filesystem. Flusher thread uses __writeback_single_inode()
* and does more profound writeback list handling in writeback_sb_inodes().
*/
-static int
-writeback_single_inode(struct inode *inode, struct bdi_writeback *wb,
- struct writeback_control *wbc)
+static int writeback_single_inode(struct inode *inode,
+ struct writeback_control *wbc)
{
+ struct bdi_writeback *wb;
int ret = 0;

spin_lock(&inode->i_lock);
@@ -1380,7 +1382,8 @@ writeback_single_inode(struct inode *inode, struct bdi_writeback *wb,
ret = __writeback_single_inode(inode, wbc);

wbc_detach_inode(wbc);
- spin_lock(&wb->list_lock);
+
+ wb = inode_to_wb_and_lock_list(inode);
spin_lock(&inode->i_lock);
/*
* If inode is clean, remove it from writeback lists. Otherwise don't
@@ -1455,6 +1458,7 @@ static long writeback_sb_inodes(struct super_block *sb,

while (!list_empty(&wb->b_io)) {
struct inode *inode = wb_inode(wb->b_io.prev);
+ struct bdi_writeback *tmp_wb;

if (inode->i_sb != sb) {
if (work->sb) {
@@ -1545,15 +1549,23 @@ static long writeback_sb_inodes(struct super_block *sb,
cond_resched();
}

-
- spin_lock(&wb->list_lock);
+ /*
+ * Requeue @inode if still dirty. Be careful as @inode may
+ * have been switched to another wb in the meantime.
+ */
+ tmp_wb = inode_to_wb_and_lock_list(inode);
spin_lock(&inode->i_lock);
if (!(inode->i_state & I_DIRTY_ALL))
wrote++;
- requeue_inode(inode, wb, &wbc);
+ requeue_inode(inode, tmp_wb, &wbc);
inode_sync_complete(inode);
spin_unlock(&inode->i_lock);

+ if (unlikely(tmp_wb != wb)) {
+ spin_unlock(&tmp_wb->list_lock);
+ spin_lock(&wb->list_lock);
+ }
+
/*
* bail out to wb_writeback() often enough to check
* background threshold and other termination conditions.
@@ -2340,7 +2352,6 @@ EXPORT_SYMBOL(sync_inodes_sb);
*/
int write_inode_now(struct inode *inode, int sync)
{
- struct bdi_writeback *wb = &inode_to_bdi(inode)->wb;
struct writeback_control wbc = {
.nr_to_write = LONG_MAX,
.sync_mode = sync ? WB_SYNC_ALL : WB_SYNC_NONE,
@@ -2352,7 +2363,7 @@ int write_inode_now(struct inode *inode, int sync)
wbc.nr_to_write = 0;

might_sleep();
- return writeback_single_inode(inode, wb, &wbc);
+ return writeback_single_inode(inode, &wbc);
}
EXPORT_SYMBOL(write_inode_now);

@@ -2369,7 +2380,7 @@ EXPORT_SYMBOL(write_inode_now);
*/
int sync_inode(struct inode *inode, struct writeback_control *wbc)
{
- return writeback_single_inode(inode, &inode_to_bdi(inode)->wb, wbc);
+ return writeback_single_inode(inode, wbc);
}
EXPORT_SYMBOL(sync_inode);

diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c
index 8e3ee1936c7e..c5b6b7165489 100644
--- a/fs/fuse/cuse.c
+++ b/fs/fuse/cuse.c
@@ -90,7 +90,7 @@ static struct list_head *cuse_conntbl_head(dev_t devt)

static ssize_t cuse_read_iter(struct kiocb *kiocb, struct iov_iter *to)
{
- struct fuse_io_priv io = { .async = 0, .file = kiocb->ki_filp };
+ struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(kiocb->ki_filp);
loff_t pos = 0;

return fuse_direct_io(&io, to, &pos, FUSE_DIO_CUSE);
@@ -98,7 +98,7 @@ static ssize_t cuse_read_iter(struct kiocb *kiocb, struct iov_iter *to)

static ssize_t cuse_write_iter(struct kiocb *kiocb, struct iov_iter *from)
{
- struct fuse_io_priv io = { .async = 0, .file = kiocb->ki_filp };
+ struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(kiocb->ki_filp);
loff_t pos = 0;
/*
* No locking or generic_write_checks(), the server is
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 570ca4053c80..c2e340d6ec6e 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -528,6 +528,11 @@ static void fuse_release_user_pages(struct fuse_req *req, int write)
}
}

+static void fuse_io_release(struct kref *kref)
+{
+ kfree(container_of(kref, struct fuse_io_priv, refcnt));
+}
+
static ssize_t fuse_get_res_by_io(struct fuse_io_priv *io)
{
if (io->err)
@@ -585,8 +590,9 @@ static void fuse_aio_complete(struct fuse_io_priv *io, int err, ssize_t pos)
}

io->iocb->ki_complete(io->iocb, res, 0);
- kfree(io);
}
+
+ kref_put(&io->refcnt, fuse_io_release);
}

static void fuse_aio_complete_req(struct fuse_conn *fc, struct fuse_req *req)
@@ -613,6 +619,7 @@ static size_t fuse_async_req_send(struct fuse_conn *fc, struct fuse_req *req,
size_t num_bytes, struct fuse_io_priv *io)
{
spin_lock(&io->lock);
+ kref_get(&io->refcnt);
io->size += num_bytes;
io->reqs++;
spin_unlock(&io->lock);
@@ -691,7 +698,7 @@ static void fuse_short_read(struct fuse_req *req, struct inode *inode,

static int fuse_do_readpage(struct file *file, struct page *page)
{
- struct fuse_io_priv io = { .async = 0, .file = file };
+ struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(file);
struct inode *inode = page->mapping->host;
struct fuse_conn *fc = get_fuse_conn(inode);
struct fuse_req *req;
@@ -984,7 +991,7 @@ static size_t fuse_send_write_pages(struct fuse_req *req, struct file *file,
size_t res;
unsigned offset;
unsigned i;
- struct fuse_io_priv io = { .async = 0, .file = file };
+ struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(file);

for (i = 0; i < req->num_pages; i++)
fuse_wait_on_page_writeback(inode, req->pages[i]->index);
@@ -1398,7 +1405,7 @@ static ssize_t __fuse_direct_read(struct fuse_io_priv *io,

static ssize_t fuse_direct_read_iter(struct kiocb *iocb, struct iov_iter *to)
{
- struct fuse_io_priv io = { .async = 0, .file = iocb->ki_filp };
+ struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(iocb->ki_filp);
return __fuse_direct_read(&io, to, &iocb->ki_pos);
}

@@ -1406,7 +1413,7 @@ static ssize_t fuse_direct_write_iter(struct kiocb *iocb, struct iov_iter *from)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file_inode(file);
- struct fuse_io_priv io = { .async = 0, .file = file };
+ struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(file);
ssize_t res;

if (is_bad_inode(inode))
@@ -2786,6 +2793,7 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
loff_t i_size;
size_t count = iov_iter_count(iter);
struct fuse_io_priv *io;
+ bool is_sync = is_sync_kiocb(iocb);

pos = offset;
inode = file->f_mapping->host;
@@ -2806,6 +2814,7 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
if (!io)
return -ENOMEM;
spin_lock_init(&io->lock);
+ kref_init(&io->refcnt);
io->reqs = 1;
io->bytes = -1;
io->size = 0;
@@ -2825,12 +2834,18 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
* to wait on real async I/O requests, so we must submit this request
* synchronously.
*/
- if (!is_sync_kiocb(iocb) && (offset + count > i_size) &&
+ if (!is_sync && (offset + count > i_size) &&
iov_iter_rw(iter) == WRITE)
io->async = false;

- if (io->async && is_sync_kiocb(iocb))
+ if (io->async && is_sync) {
+ /*
+ * Additional reference to keep io around after
+ * calling fuse_aio_complete()
+ */
+ kref_get(&io->refcnt);
io->done = &wait;
+ }

if (iov_iter_rw(iter) == WRITE) {
ret = fuse_direct_io(io, iter, &pos, FUSE_DIO_WRITE);
@@ -2843,14 +2858,14 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
fuse_aio_complete(io, ret < 0 ? ret : 0, -1);

/* we have a non-extending, async request, so return */
- if (!is_sync_kiocb(iocb))
+ if (!is_sync)
return -EIOCBQUEUED;

wait_for_completion(&wait);
ret = fuse_get_res_by_io(io);
}

- kfree(io);
+ kref_put(&io->refcnt, fuse_io_release);

if (iov_iter_rw(iter) == WRITE) {
if (ret > 0)
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 405113101db8..604cd42dafef 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -22,6 +22,7 @@
#include <linux/rbtree.h>
#include <linux/poll.h>
#include <linux/workqueue.h>
+#include <linux/kref.h>

/** Max number of pages that can be used in a single read request */
#define FUSE_MAX_PAGES_PER_REQ 32
@@ -243,6 +244,7 @@ struct fuse_args {

/** The request IO state (for asynchronous processing) */
struct fuse_io_priv {
+ struct kref refcnt;
int async;
spinlock_t lock;
unsigned reqs;
@@ -256,6 +258,13 @@ struct fuse_io_priv {
struct completion *done;
};

+#define FUSE_IO_PRIV_SYNC(f) \
+{ \
+ .refcnt = { ATOMIC_INIT(1) }, \
+ .async = 0, \
+ .file = f, \
+}
+
/**
* Request flags
*
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 81e622681c82..624a57a9c4aa 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -1408,11 +1408,12 @@ out:
/**
* jbd2_mark_journal_empty() - Mark on disk journal as empty.
* @journal: The journal to update.
+ * @write_op: With which operation should we write the journal sb
*
* Update a journal's dynamic superblock fields to show that journal is empty.
* Write updated superblock to disk waiting for IO to complete.
*/
-static void jbd2_mark_journal_empty(journal_t *journal)
+static void jbd2_mark_journal_empty(journal_t *journal, int write_op)
{
journal_superblock_t *sb = journal->j_superblock;

@@ -1430,7 +1431,7 @@ static void jbd2_mark_journal_empty(journal_t *journal)
sb->s_start = cpu_to_be32(0);
read_unlock(&journal->j_state_lock);

- jbd2_write_superblock(journal, WRITE_FUA);
+ jbd2_write_superblock(journal, write_op);

/* Log is no longer empty */
write_lock(&journal->j_state_lock);
@@ -1716,7 +1717,13 @@ int jbd2_journal_destroy(journal_t *journal)
if (journal->j_sb_buffer) {
if (!is_journal_aborted(journal)) {
mutex_lock(&journal->j_checkpoint_mutex);
- jbd2_mark_journal_empty(journal);
+
+ write_lock(&journal->j_state_lock);
+ journal->j_tail_sequence =
+ ++journal->j_transaction_sequence;
+ write_unlock(&journal->j_state_lock);
+
+ jbd2_mark_journal_empty(journal, WRITE_FLUSH_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
} else
err = -EIO;
@@ -1975,7 +1982,7 @@ int jbd2_journal_flush(journal_t *journal)
* the magic code for a fully-recovered superblock. Any future
* commits of data to the journal will restore the current
* s_start value. */
- jbd2_mark_journal_empty(journal);
+ jbd2_mark_journal_empty(journal, WRITE_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
write_lock(&journal->j_state_lock);
J_ASSERT(!journal->j_running_transaction);
@@ -2021,7 +2028,7 @@ int jbd2_journal_wipe(journal_t *journal, int write)
if (write) {
/* Lock to make assertions happy... */
mutex_lock(&journal->j_checkpoint_mutex);
- jbd2_mark_journal_empty(journal);
+ jbd2_mark_journal_empty(journal, WRITE_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
}

diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index a9f096c7e99f..7d5351cd67fb 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -877,6 +877,7 @@ nfsd4_secinfo(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
&exp, &dentry);
if (err)
return err;
+ fh_unlock(&cstate->current_fh);
if (d_really_is_negative(dentry)) {
exp_put(exp);
err = nfserr_noent;
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 51c9e9ca39a4..12935209deca 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1072,8 +1072,9 @@ nfsd4_decode_rename(struct nfsd4_compoundargs *argp, struct nfsd4_rename *rename

READ_BUF(4);
rename->rn_snamelen = be32_to_cpup(p++);
- READ_BUF(rename->rn_snamelen + 4);
+ READ_BUF(rename->rn_snamelen);
SAVEMEM(rename->rn_sname, rename->rn_snamelen);
+ READ_BUF(4);
rename->rn_tnamelen = be32_to_cpup(p++);
READ_BUF(rename->rn_tnamelen);
SAVEMEM(rename->rn_tname, rename->rn_tnamelen);
@@ -1155,13 +1156,14 @@ nfsd4_decode_setclientid(struct nfsd4_compoundargs *argp, struct nfsd4_setclient
READ_BUF(8);
setclientid->se_callback_prog = be32_to_cpup(p++);
setclientid->se_callback_netid_len = be32_to_cpup(p++);
-
- READ_BUF(setclientid->se_callback_netid_len + 4);
+ READ_BUF(setclientid->se_callback_netid_len);
SAVEMEM(setclientid->se_callback_netid_val, setclientid->se_callback_netid_len);
+ READ_BUF(4);
setclientid->se_callback_addr_len = be32_to_cpup(p++);

- READ_BUF(setclientid->se_callback_addr_len + 4);
+ READ_BUF(setclientid->se_callback_addr_len);
SAVEMEM(setclientid->se_callback_addr_val, setclientid->se_callback_addr_len);
+ READ_BUF(4);
setclientid->se_callback_ident = be32_to_cpup(p++);

DECODE_TAIL;
@@ -1815,8 +1817,9 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp)

READ_BUF(4);
argp->taglen = be32_to_cpup(p++);
- READ_BUF(argp->taglen + 8);
+ READ_BUF(argp->taglen);
SAVEMEM(argp->tag, argp->taglen);
+ READ_BUF(8);
argp->minorversion = be32_to_cpup(p++);
argp->opcnt = be32_to_cpup(p++);
max_reply += 4 + (XDR_QUADLEN(argp->taglen) << 2);
diff --git a/fs/ocfs2/dlm/dlmconvert.c b/fs/ocfs2/dlm/dlmconvert.c
index e36d63ff1783..f90931335c6b 100644
--- a/fs/ocfs2/dlm/dlmconvert.c
+++ b/fs/ocfs2/dlm/dlmconvert.c
@@ -262,6 +262,7 @@ enum dlm_status dlmconvert_remote(struct dlm_ctxt *dlm,
struct dlm_lock *lock, int flags, int type)
{
enum dlm_status status;
+ u8 old_owner = res->owner;

mlog(0, "type=%d, convert_type=%d, busy=%d\n", lock->ml.type,
lock->ml.convert_type, res->state & DLM_LOCK_RES_IN_PROGRESS);
@@ -287,6 +288,19 @@ enum dlm_status dlmconvert_remote(struct dlm_ctxt *dlm,
status = DLM_DENIED;
goto bail;
}
+
+ if (lock->ml.type == type && lock->ml.convert_type == LKM_IVMODE) {
+ mlog(0, "last convert request returned DLM_RECOVERING, but "
+ "owner has already queued and sent ast to me. res %.*s, "
+ "(cookie=%u:%llu, type=%d, conv=%d)\n",
+ res->lockname.len, res->lockname.name,
+ dlm_get_lock_cookie_node(be64_to_cpu(lock->ml.cookie)),
+ dlm_get_lock_cookie_seq(be64_to_cpu(lock->ml.cookie)),
+ lock->ml.type, lock->ml.convert_type);
+ status = DLM_NORMAL;
+ goto bail;
+ }
+
res->state |= DLM_LOCK_RES_IN_PROGRESS;
/* move lock to local convert queue */
/* do not alter lock refcount. switching lists. */
@@ -316,11 +330,19 @@ enum dlm_status dlmconvert_remote(struct dlm_ctxt *dlm,
spin_lock(&res->spinlock);
res->state &= ~DLM_LOCK_RES_IN_PROGRESS;
lock->convert_pending = 0;
- /* if it failed, move it back to granted queue */
+ /* if it failed, move it back to granted queue.
+ * if master returns DLM_NORMAL and then down before sending ast,
+ * it may have already been moved to granted queue, reset to
+ * DLM_RECOVERING and retry convert */
if (status != DLM_NORMAL) {
if (status != DLM_NOTQUEUED)
dlm_error(status);
dlm_revert_pending_convert(res, lock);
+ } else if ((res->state & DLM_LOCK_RES_RECOVERING) ||
+ (old_owner != res->owner)) {
+ mlog(0, "res %.*s is in recovering or has been recovered.\n",
+ res->lockname.len, res->lockname.name);
+ status = DLM_RECOVERING;
}
bail:
spin_unlock(&res->spinlock);
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index 42f0cae93a0a..4a338803e7e9 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -2064,7 +2064,6 @@ void dlm_move_lockres_to_recovery_list(struct dlm_ctxt *dlm,
dlm_lock_get(lock);
if (lock->convert_pending) {
/* move converting lock back to granted */
- BUG_ON(i != DLM_CONVERTING_LIST);
mlog(0, "node died with convert pending "
"on %.*s. move back to granted list.\n",
res->lockname.len, res->lockname.name);
diff --git a/fs/open.c b/fs/open.c
index b6f1e96a7c0b..6a24f988d253 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -995,14 +995,12 @@ struct file *filp_open(const char *filename, int flags, umode_t mode)
EXPORT_SYMBOL(filp_open);

struct file *file_open_root(struct dentry *dentry, struct vfsmount *mnt,
- const char *filename, int flags)
+ const char *filename, int flags, umode_t mode)
{
struct open_flags op;
- int err = build_open_flags(flags, 0, &op);
+ int err = build_open_flags(flags, mode, &op);
if (err)
return ERR_PTR(err);
- if (flags & O_CREAT)
- return ERR_PTR(-EINVAL);
return do_file_open_root(dentry, mnt, filename, &op);
}
EXPORT_SYMBOL(file_open_root);
diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c
index 8ebd9a334085..87645955990d 100644
--- a/fs/proc_namespace.c
+++ b/fs/proc_namespace.c
@@ -197,6 +197,8 @@ static int show_vfsstat(struct seq_file *m, struct vfsmount *mnt)
if (sb->s_op->show_devname) {
seq_puts(m, "device ");
err = sb->s_op->show_devname(m, mnt_path.dentry);
+ if (err)
+ goto out;
} else {
if (r->mnt_devname) {
seq_puts(m, "device ");
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index ef0d64b2a6d9..353ff31dcee1 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1398,7 +1398,7 @@ static int dquot_active(const struct inode *inode)
static int __dquot_initialize(struct inode *inode, int type)
{
int cnt, init_needed = 0;
- struct dquot **dquots, *got[MAXQUOTAS];
+ struct dquot **dquots, *got[MAXQUOTAS] = {};
struct super_block *sb = inode->i_sb;
qsize_t rsv;
int ret = 0;
@@ -1415,7 +1415,6 @@ static int __dquot_initialize(struct inode *inode, int type)
int rc;
struct dquot *dquot;

- got[cnt] = NULL;
if (type != -1 && cnt != type)
continue;
/*
diff --git a/fs/splice.c b/fs/splice.c
index 4cf700d50b40..0f77e9682857 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -185,6 +185,9 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
unsigned int spd_pages = spd->nr_pages;
int ret, do_wakeup, page_nr;

+ if (!spd_pages)
+ return 0;
+
ret = 0;
do_wakeup = 0;
page_nr = 0;
diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c
index 0ef7c2ed3f8a..4fa14820e2e2 100644
--- a/fs/xfs/xfs_attr_list.c
+++ b/fs/xfs/xfs_attr_list.c
@@ -202,8 +202,10 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context)
sbp->namelen,
sbp->valuelen,
&sbp->name[sbp->namelen]);
- if (error)
+ if (error) {
+ kmem_free(sbuf);
return error;
+ }
if (context->seen_enough)
break;
cursor->offset++;
@@ -454,14 +456,13 @@ xfs_attr3_leaf_list_int(
args.rmtblkcnt = xfs_attr3_rmt_blocks(
args.dp->i_mount, valuelen);
retval = xfs_attr_rmtval_get(&args);
- if (retval)
- return retval;
- retval = context->put_listent(context,
- entry->flags,
- name_rmt->name,
- (int)name_rmt->namelen,
- valuelen,
- args.value);
+ if (!retval)
+ retval = context->put_listent(context,
+ entry->flags,
+ name_rmt->name,
+ (int)name_rmt->namelen,
+ valuelen,
+ args.value);
kmem_free(args.value);
} else {
retval = context->put_listent(context,
diff --git a/include/asm-generic/bitops/lock.h b/include/asm-generic/bitops/lock.h
index c30266e94806..8ef0ccbf8167 100644
--- a/include/asm-generic/bitops/lock.h
+++ b/include/asm-generic/bitops/lock.h
@@ -29,16 +29,16 @@ do { \
* @nr: the bit to set
* @addr: the address to start counting from
*
- * This operation is like clear_bit_unlock, however it is not atomic.
- * It does provide release barrier semantics so it can be used to unlock
- * a bit lock, however it would only be used if no other CPU can modify
- * any bits in the memory until the lock is released (a good example is
- * if the bit lock itself protects access to the other bits in the word).
+ * A weaker form of clear_bit_unlock() as used by __bit_lock_unlock(). If all
+ * the bits in the word are protected by this lock some archs can use weaker
+ * ops to safely unlock.
+ *
+ * See for example x86's implementation.
*/
#define __clear_bit_unlock(nr, addr) \
do { \
- smp_mb(); \
- __clear_bit(nr, addr); \
+ smp_mb__before_atomic(); \
+ clear_bit(nr, addr); \
} while (0)

#endif /* _ASM_GENERIC_BITOPS_LOCK_H_ */
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 8e30faeab183..a7c7f74808a4 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -216,6 +216,9 @@ struct css_set {
/* all css_task_iters currently walking this cset */
struct list_head task_iters;

+ /* dead and being drained, ignore for migration */
+ bool dead;
+
/* For RCU-protected deletion */
struct rcu_head rcu_head;
};
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index ec1c61c87d89..899ab9f8549e 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -124,6 +124,8 @@ struct dm_dev {
char name[16];
};

+dev_t dm_get_dev_t(const char *path);
+
/*
* Constructors should call these functions to ensure destination devices
* are opened/closed correctly.
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 3aa514254161..22c5a0cf16e3 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2217,7 +2217,7 @@ extern long do_sys_open(int dfd, const char __user *filename, int flags,
extern struct file *file_open_name(struct filename *, int, umode_t);
extern struct file *filp_open(const char *, int, umode_t);
extern struct file *file_open_root(struct dentry *, struct vfsmount *,
- const char *, int);
+ const char *, int, umode_t);
extern struct file * dentry_open(const struct path *, int, const struct cred *);
extern int filp_close(struct file *, fl_owner_t id);

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 350dfb08aee3..924853d33a13 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -607,7 +607,7 @@ do { \

#define do_trace_printk(fmt, args...) \
do { \
- static const char *trace_printk_fmt \
+ static const char *trace_printk_fmt __used \
__attribute__((section("__trace_printk_fmt"))) = \
__builtin_constant_p(fmt) ? fmt : NULL; \
\
@@ -651,7 +651,7 @@ int __trace_printk(unsigned long ip, const char *fmt, ...);
*/

#define trace_puts(str) ({ \
- static const char *trace_printk_fmt \
+ static const char *trace_printk_fmt __used \
__attribute__((section("__trace_printk_fmt"))) = \
__builtin_constant_p(str) ? str : NULL; \
\
@@ -673,7 +673,7 @@ extern void trace_dump_stack(int skip);
#define ftrace_vprintk(fmt, vargs) \
do { \
if (__builtin_constant_p(fmt)) { \
- static const char *trace_printk_fmt \
+ static const char *trace_printk_fmt __used \
__attribute__((section("__trace_printk_fmt"))) = \
__builtin_constant_p(fmt) ? fmt : NULL; \
\
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 6ae25aae88fd..4e554bfff129 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -359,6 +359,7 @@ struct pci_dev {
unsigned int io_window_1k:1; /* Intel P2P bridge 1K I/O windows */
unsigned int irq_managed:1;
unsigned int has_secondary_link:1;
+ unsigned int non_compliant_bars:1; /* broken BARs; ignore them */
pci_dev_flags_t dev_flags;
atomic_t enable_cnt; /* pci_enable_device has been called */

diff --git a/include/linux/platform_data/asoc-s3c.h b/include/linux/platform_data/asoc-s3c.h
index 5e0bc779e6c5..33f88b4479e4 100644
--- a/include/linux/platform_data/asoc-s3c.h
+++ b/include/linux/platform_data/asoc-s3c.h
@@ -39,6 +39,10 @@ struct samsung_i2s {
*/
struct s3c_audio_pdata {
int (*cfg_gpio)(struct platform_device *);
+ void *dma_playback;
+ void *dma_capture;
+ void *dma_play_sec;
+ void *dma_capture_mic;
union {
struct samsung_i2s i2s;
} type;
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index e13a1ace50e9..4a849f19e6c9 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -156,6 +156,7 @@ struct thermal_attr {
* @trip_hyst_attrs: attributes for trip points for sysfs: trip hysteresis
* @devdata: private pointer for device private data
* @trips: number of trip points the thermal zone supports
+ * @trips_disabled; bitmap for disabled trips
* @passive_delay: number of milliseconds to wait between polls when
* performing passive cooling.
* @polling_delay: number of milliseconds to wait between polls when
@@ -191,6 +192,7 @@ struct thermal_zone_device {
struct thermal_attr *trip_hyst_attrs;
void *devdata;
int trips;
+ unsigned long trips_disabled; /* bitmap for disabled trips */
int passive_delay;
int polling_delay;
int temperature;
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 6b6e811f4575..3bf03b6b52e9 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -594,7 +594,7 @@ static inline int tty_ldisc_receive_buf(struct tty_ldisc *ld, unsigned char *p,
count = ld->ops->receive_buf2(ld->tty, p, f, count);
else {
count = min_t(int, count, ld->tty->receive_room);
- if (count)
+ if (count && ld->ops->receive_buf)
ld->ops->receive_buf(ld->tty, p, f, count);
}
return count;
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index fb1ecfd2decd..dc94f8beb097 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2498,6 +2498,14 @@ static void cgroup_migrate_add_src(struct css_set *src_cset,
lockdep_assert_held(&cgroup_mutex);
lockdep_assert_held(&css_set_lock);

+ /*
+ * If ->dead, @src_set is associated with one or more dead cgroups
+ * and doesn't contain any migratable tasks. Ignore it early so
+ * that the rest of migration path doesn't get confused by it.
+ */
+ if (src_cset->dead)
+ return;
+
src_cgrp = cset_cgroup_from_root(src_cset, dst_cgrp->root);

if (!list_empty(&src_cset->mg_preload_node))
@@ -5131,6 +5139,7 @@ static int cgroup_destroy_locked(struct cgroup *cgrp)
__releases(&cgroup_mutex) __acquires(&cgroup_mutex)
{
struct cgroup_subsys_state *css;
+ struct cgrp_cset_link *link;
int ssid;

lockdep_assert_held(&cgroup_mutex);
@@ -5151,11 +5160,18 @@ static int cgroup_destroy_locked(struct cgroup *cgrp)
return -EBUSY;

/*
- * Mark @cgrp dead. This prevents further task migration and child
- * creation by disabling cgroup_lock_live_group().
+ * Mark @cgrp and the associated csets dead. The former prevents
+ * further task migration and child creation by disabling
+ * cgroup_lock_live_group(). The latter makes the csets ignored by
+ * the migration path.
*/
cgrp->self.flags &= ~CSS_ONLINE;

+ spin_lock_bh(&css_set_lock);
+ list_for_each_entry(link, &cgrp->cset_links, cset_link)
+ link->cset->dead = true;
+ spin_unlock_bh(&css_set_lock);
+
/* initiate massacre of all css's */
for_each_css(css, ssid, cgrp)
kill_css(css);
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 1087bbeb152b..faf2067fc8e2 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -7979,6 +7979,9 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu,
}
}

+ /* symmetric to unaccount_event() in _free_event() */
+ account_event(event);
+
return event;

err_per_task:
@@ -8342,8 +8345,6 @@ SYSCALL_DEFINE5(perf_event_open,
}
}

- account_event(event);
-
/*
* Special case software events and allow them to be part of
* any hardware group.
@@ -8626,8 +8627,6 @@ perf_event_create_kernel_counter(struct perf_event_attr *attr, int cpu,
/* Mark owner so we could distinguish it from user events. */
event->owner = EVENT_OWNER_KERNEL;

- account_event(event);
-
ctx = find_get_context(event->pmu, task, event);
if (IS_ERR(ctx)) {
err = PTR_ERR(ctx);
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index b7342a24f559..b7dd5718836e 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -339,6 +339,7 @@ int hibernation_snapshot(int platform_mode)
pm_message_t msg;
int error;

+ pm_suspend_clear_flags();
error = platform_begin(platform_mode);
if (error)
goto Close;
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index eb70592f03f6..70e5e09341f1 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5525,6 +5525,7 @@ migration_call(struct notifier_block *nfb, unsigned long action, void *hcpu)

case CPU_UP_PREPARE:
rq->calc_load_update = calc_load_update;
+ account_reset_rq(rq);
break;

case CPU_ONLINE:
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index 05de80b48586..f74ea89e77a8 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -259,21 +259,21 @@ static __always_inline bool steal_account_process_tick(void)
#ifdef CONFIG_PARAVIRT
if (static_key_false(&paravirt_steal_enabled)) {
u64 steal;
- cputime_t steal_ct;
+ unsigned long steal_jiffies;

steal = paravirt_steal_clock(smp_processor_id());
steal -= this_rq()->prev_steal_time;

/*
- * cputime_t may be less precise than nsecs (eg: if it's
- * based on jiffies). Lets cast the result to cputime
+ * steal is in nsecs but our caller is expecting steal
+ * time in jiffies. Lets cast the result to jiffies
* granularity and account the rest on the next rounds.
*/
- steal_ct = nsecs_to_cputime(steal);
- this_rq()->prev_steal_time += cputime_to_nsecs(steal_ct);
+ steal_jiffies = nsecs_to_jiffies(steal);
+ this_rq()->prev_steal_time += jiffies_to_nsecs(steal_jiffies);

- account_steal_time(steal_ct);
- return steal_ct;
+ account_steal_time(jiffies_to_cputime(steal_jiffies));
+ return steal_jiffies;
}
#endif
return false;
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index b242775bf670..0517abd7dd73 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1770,3 +1770,16 @@ static inline u64 irq_time_read(int cpu)
}
#endif /* CONFIG_64BIT */
#endif /* CONFIG_IRQ_TIME_ACCOUNTING */
+
+static inline void account_reset_rq(struct rq *rq)
+{
+#ifdef CONFIG_IRQ_TIME_ACCOUNTING
+ rq->prev_irq_time = 0;
+#endif
+#ifdef CONFIG_PARAVIRT
+ rq->prev_steal_time = 0;
+#endif
+#ifdef CONFIG_PARAVIRT_TIME_ACCOUNTING
+ rq->prev_steal_time_rq = 0;
+#endif
+}
diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
index 7e7746a42a62..10a1d7dc9313 100644
--- a/kernel/sysctl_binary.c
+++ b/kernel/sysctl_binary.c
@@ -1321,7 +1321,7 @@ static ssize_t binary_sysctl(const int *name, int nlen,
}

mnt = task_active_pid_ns(current)->proc_mnt;
- file = file_open_root(mnt->mnt_root, mnt, pathname, flags);
+ file = file_open_root(mnt->mnt_root, mnt, pathname, flags, 0);
result = PTR_ERR(file);
if (IS_ERR(file))
goto out_putname;
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index d9293402ee68..8305cbb2d5a2 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4949,7 +4949,10 @@ static ssize_t tracing_splice_read_pipe(struct file *filp,

spd.nr_pages = i;

- ret = splice_to_pipe(pipe, &spd);
+ if (i)
+ ret = splice_to_pipe(pipe, &spd);
+ else
+ ret = 0;
out:
splice_shrink_spd(&spd);
return ret;
diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
index e4e56589ec1d..be3222b7d72e 100644
--- a/kernel/trace/trace_irqsoff.c
+++ b/kernel/trace/trace_irqsoff.c
@@ -109,8 +109,12 @@ static int func_prolog_dec(struct trace_array *tr,
return 0;

local_save_flags(*flags);
- /* slight chance to get a false positive on tracing_cpu */
- if (!irqs_disabled_flags(*flags))
+ /*
+ * Slight chance to get a false positive on tracing_cpu,
+ * although I'm starting to think there isn't a chance.
+ * Leave this for now just to be paranoid.
+ */
+ if (!irqs_disabled_flags(*flags) && !preempt_count())
return 0;

*data = per_cpu_ptr(tr->trace_buffer.data, cpu);
diff --git a/kernel/trace/trace_printk.c b/kernel/trace/trace_printk.c
index 060df67dbdd1..f96f0383f6c6 100644
--- a/kernel/trace/trace_printk.c
+++ b/kernel/trace/trace_printk.c
@@ -296,6 +296,9 @@ static int t_show(struct seq_file *m, void *v)
const char *str = *fmt;
int i;

+ if (!*fmt)
+ return 0;
+
seq_printf(m, "0x%lx : \"", *(unsigned long *)fmt);

/*
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 18f34cf75f74..198137b1cadc 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -907,6 +907,9 @@ static int proc_watchdog_common(int which, struct ctl_table *table, int write,
* both lockup detectors are disabled if proc_watchdog_update()
* returns an error.
*/
+ if (old == new)
+ goto out;
+
err = proc_watchdog_update();
}
out:
@@ -951,7 +954,7 @@ int proc_soft_watchdog(struct ctl_table *table, int write,
int proc_watchdog_thresh(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
- int err, old;
+ int err, old, new;

get_online_cpus();
mutex_lock(&watchdog_proc_mutex);
@@ -971,6 +974,10 @@ int proc_watchdog_thresh(struct ctl_table *table, int write,
/*
* Update the sample period. Restore on failure.
*/
+ new = ACCESS_ONCE(watchdog_thresh);
+ if (old == new)
+ goto out;
+
set_sample_period();
err = proc_watchdog_update();
if (err) {
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index ee6acd279953..fc0bcc41d57f 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1332,7 +1332,7 @@ static unsigned long mem_cgroup_get_limit(struct mem_cgroup *memcg)
return limit;
}

-static void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
+static bool mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
int order)
{
struct oom_control oc = {
@@ -1410,6 +1410,7 @@ static void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
}
unlock:
mutex_unlock(&oom_lock);
+ return chosen;
}

#if MAX_NUMNODES > 1
@@ -5121,6 +5122,7 @@ static ssize_t memory_high_write(struct kernfs_open_file *of,
char *buf, size_t nbytes, loff_t off)
{
struct mem_cgroup *memcg = mem_cgroup_from_css(of_css(of));
+ unsigned long nr_pages;
unsigned long high;
int err;

@@ -5131,6 +5133,11 @@ static ssize_t memory_high_write(struct kernfs_open_file *of,

memcg->high = high;

+ nr_pages = page_counter_read(&memcg->memory);
+ if (nr_pages > high)
+ try_to_free_mem_cgroup_pages(memcg, nr_pages - high,
+ GFP_KERNEL, true);
+
memcg_wb_domain_size_changed(memcg);
return nbytes;
}
@@ -5152,6 +5159,8 @@ static ssize_t memory_max_write(struct kernfs_open_file *of,
char *buf, size_t nbytes, loff_t off)
{
struct mem_cgroup *memcg = mem_cgroup_from_css(of_css(of));
+ unsigned int nr_reclaims = MEM_CGROUP_RECLAIM_RETRIES;
+ bool drained = false;
unsigned long max;
int err;

@@ -5160,9 +5169,36 @@ static ssize_t memory_max_write(struct kernfs_open_file *of,
if (err)
return err;

- err = mem_cgroup_resize_limit(memcg, max);
- if (err)
- return err;
+ xchg(&memcg->memory.limit, max);
+
+ for (;;) {
+ unsigned long nr_pages = page_counter_read(&memcg->memory);
+
+ if (nr_pages <= max)
+ break;
+
+ if (signal_pending(current)) {
+ err = -EINTR;
+ break;
+ }
+
+ if (!drained) {
+ drain_all_stock(memcg);
+ drained = true;
+ continue;
+ }
+
+ if (nr_reclaims) {
+ if (!try_to_free_mem_cgroup_pages(memcg, nr_pages - max,
+ GFP_KERNEL, true))
+ nr_reclaims--;
+ continue;
+ }
+
+ mem_cgroup_events(memcg, MEMCG_OOM, 1);
+ if (!mem_cgroup_out_of_memory(memcg, GFP_KERNEL, 0))
+ break;
+ }

memcg_wb_domain_size_changed(memcg);
return nbytes;
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 9d666df5ef95..c69531afbd8f 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -662,34 +662,28 @@ static inline void __free_one_page(struct page *page,
unsigned long combined_idx;
unsigned long uninitialized_var(buddy_idx);
struct page *buddy;
- unsigned int max_order = MAX_ORDER;
+ unsigned int max_order;
+
+ max_order = min_t(unsigned int, MAX_ORDER, pageblock_order + 1);

VM_BUG_ON(!zone_is_initialized(zone));
VM_BUG_ON_PAGE(page->flags & PAGE_FLAGS_CHECK_AT_PREP, page);

VM_BUG_ON(migratetype == -1);
- if (is_migrate_isolate(migratetype)) {
- /*
- * We restrict max order of merging to prevent merge
- * between freepages on isolate pageblock and normal
- * pageblock. Without this, pageblock isolation
- * could cause incorrect freepage accounting.
- */
- max_order = min_t(unsigned int, MAX_ORDER, pageblock_order + 1);
- } else {
+ if (likely(!is_migrate_isolate(migratetype)))
__mod_zone_freepage_state(zone, 1 << order, migratetype);
- }

- page_idx = pfn & ((1 << max_order) - 1);
+ page_idx = pfn & ((1 << MAX_ORDER) - 1);

VM_BUG_ON_PAGE(page_idx & ((1 << order) - 1), page);
VM_BUG_ON_PAGE(bad_range(zone, page), page);

+continue_merging:
while (order < max_order - 1) {
buddy_idx = __find_buddy_index(page_idx, order);
buddy = page + (buddy_idx - page_idx);
if (!page_is_buddy(page, buddy, order))
- break;
+ goto done_merging;
/*
* Our buddy is free or it is CONFIG_DEBUG_PAGEALLOC guard page,
* merge with it and move up one order.
@@ -706,6 +700,32 @@ static inline void __free_one_page(struct page *page,
page_idx = combined_idx;
order++;
}
+ if (max_order < MAX_ORDER) {
+ /* If we are here, it means order is >= pageblock_order.
+ * We want to prevent merge between freepages on isolate
+ * pageblock and normal pageblock. Without this, pageblock
+ * isolation could cause incorrect freepage or CMA accounting.
+ *
+ * We don't want to hit this code for the more frequent
+ * low-order merging.
+ */
+ if (unlikely(has_isolate_pageblock(zone))) {
+ int buddy_mt;
+
+ buddy_idx = __find_buddy_index(page_idx, order);
+ buddy = page + (buddy_idx - page_idx);
+ buddy_mt = get_pageblock_migratetype(buddy);
+
+ if (migratetype != buddy_mt
+ && (is_migrate_isolate(migratetype) ||
+ is_migrate_isolate(buddy_mt)))
+ goto done_merging;
+ }
+ max_order++;
+ goto continue_merging;
+ }
+
+done_merging:
set_page_order(page, order);

/*
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 7f22119276f3..b1b0a1c0bd8d 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -7155,6 +7155,10 @@ static int add_advertising(struct sock *sk, struct hci_dev *hdev,
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
status);

+ if (data_len != sizeof(*cp) + cp->adv_data_len + cp->scan_rsp_len)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ MGMT_STATUS_INVALID_PARAMS);
+
flags = __le32_to_cpu(cp->flags);
timeout = __le16_to_cpu(cp->timeout);
duration = __le16_to_cpu(cp->duration);
diff --git a/scripts/coccinelle/iterators/use_after_iter.cocci b/scripts/coccinelle/iterators/use_after_iter.cocci
index f085f5968c52..ce8cc9c006e5 100644
--- a/scripts/coccinelle/iterators/use_after_iter.cocci
+++ b/scripts/coccinelle/iterators/use_after_iter.cocci
@@ -123,7 +123,7 @@ list_remove_head(x,c,...)
|
sizeof(<+...c...+>)
|
-&c->member
+ &c->member
|
c = E
|
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index d79cba4ce3eb..ebced77deb9c 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -96,13 +96,15 @@ savedefconfig: $(obj)/conf
defconfig: $(obj)/conf
ifeq ($(KBUILD_DEFCONFIG),)
$< $(silent) --defconfig $(Kconfig)
-else ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
+else
+ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
@$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
else
@$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'"
$(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG)
endif
+endif

%_defconfig: $(obj)/conf
$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
diff --git a/scripts/package/mkspec b/scripts/package/mkspec
index 71004daefe31..fe44d68e9344 100755
--- a/scripts/package/mkspec
+++ b/scripts/package/mkspec
@@ -131,11 +131,11 @@ echo 'rm -rf $RPM_BUILD_ROOT'
echo ""
echo "%post"
echo "if [ -x /sbin/installkernel -a -r /boot/vmlinuz-$KERNELRELEASE -a -r /boot/System.map-$KERNELRELEASE ]; then"
-echo "cp /boot/vmlinuz-$KERNELRELEASE /boot/vmlinuz-$KERNELRELEASE-rpm"
-echo "cp /boot/System.map-$KERNELRELEASE /boot/System.map-$KERNELRELEASE-rpm"
+echo "cp /boot/vmlinuz-$KERNELRELEASE /boot/.vmlinuz-$KERNELRELEASE-rpm"
+echo "cp /boot/System.map-$KERNELRELEASE /boot/.System.map-$KERNELRELEASE-rpm"
echo "rm -f /boot/vmlinuz-$KERNELRELEASE /boot/System.map-$KERNELRELEASE"
-echo "/sbin/installkernel $KERNELRELEASE /boot/vmlinuz-$KERNELRELEASE-rpm /boot/System.map-$KERNELRELEASE-rpm"
-echo "rm -f /boot/vmlinuz-$KERNELRELEASE-rpm /boot/System.map-$KERNELRELEASE-rpm"
+echo "/sbin/installkernel $KERNELRELEASE /boot/.vmlinuz-$KERNELRELEASE-rpm /boot/.System.map-$KERNELRELEASE-rpm"
+echo "rm -f /boot/.vmlinuz-$KERNELRELEASE-rpm /boot/.System.map-$KERNELRELEASE-rpm"
echo "fi"
echo ""
echo "%files"
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 6b5a811e01a5..3a9b66c6e09c 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -322,7 +322,7 @@ static int snd_pcm_update_hw_ptr0(struct snd_pcm_substream *substream,
char name[16];
snd_pcm_debug_name(substream, name, sizeof(name));
pcm_err(substream->pcm,
- "BUG: %s, pos = %ld, buffer size = %ld, period size = %ld\n",
+ "invalid position: %s, pos = %ld, buffer size = %ld, period size = %ld\n",
name, pos, runtime->buffer_size,
runtime->period_size);
}
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index c1c855a6c0af..a47e8ae0eb30 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -174,8 +174,12 @@ static void cs_automute(struct hda_codec *codec)
snd_hda_gen_update_outputs(codec);

if (spec->gpio_eapd_hp || spec->gpio_eapd_speaker) {
- spec->gpio_data = spec->gen.hp_jack_present ?
- spec->gpio_eapd_hp : spec->gpio_eapd_speaker;
+ if (spec->gen.automute_speaker)
+ spec->gpio_data = spec->gen.hp_jack_present ?
+ spec->gpio_eapd_hp : spec->gpio_eapd_speaker;
+ else
+ spec->gpio_data =
+ spec->gpio_eapd_hp | spec->gpio_eapd_speaker;
snd_hda_codec_write(codec, 0x01, 0,
AC_VERB_SET_GPIO_DATA, spec->gpio_data);
}
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index ef198903c0c3..600af5878e75 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -204,8 +204,13 @@ static void cx_auto_reboot_notify(struct hda_codec *codec)
{
struct conexant_spec *spec = codec->spec;

- if (codec->core.vendor_id != 0x14f150f2)
+ switch (codec->core.vendor_id) {
+ case 0x14f150f2: /* CX20722 */
+ case 0x14f150f4: /* CX20724 */
+ break;
+ default:
return;
+ }

/* Turn the CX20722 codec into D3 to avoid spurious noises
from the internal speaker during (and after) reboot */
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 70c945603379..f7bcd8dbac14 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -2353,6 +2353,10 @@ static void intel_pin_eld_notify(void *audio_ptr, int port)
struct hda_codec *codec = audio_ptr;
int pin_nid = port + 0x04;

+ /* we assume only from port-B to port-D */
+ if (port < 1 || port > 3)
+ return;
+
/* skip notification during system suspend (but not in runtime PM);
* the state will be updated at resume
*/
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index c2430b36e1ce..6968b796baa3 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5529,6 +5529,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x2226, "ThinkPad X250", ALC292_FIXUP_TPT440_DOCK),
SND_PCI_QUIRK(0x17aa, 0x2233, "Thinkpad", ALC293_FIXUP_LENOVO_SPK_NOISE),
SND_PCI_QUIRK(0x17aa, 0x30bb, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
+ SND_PCI_QUIRK(0x17aa, 0x30e2, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI),
SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC),
SND_PCI_QUIRK(0x17aa, 0x3978, "IdeaPad Y410P", ALC269_FIXUP_NO_SHUTUP),
diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index 42bcbac801a3..ccdab29a8b66 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -2879,6 +2879,7 @@ static void intel8x0_measure_ac97_clock(struct intel8x0 *chip)

static struct snd_pci_quirk intel8x0_clock_list[] = {
SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000),
+ SND_PCI_QUIRK(0x1014, 0x0581, "AD1981B", 48000),
SND_PCI_QUIRK(0x1028, 0x00be, "AD1885", 44100),
SND_PCI_QUIRK(0x1028, 0x0177, "AD1980", 48000),
SND_PCI_QUIRK(0x1028, 0x01ad, "AD1981B", 48000),
diff --git a/sound/soc/samsung/ac97.c b/sound/soc/samsung/ac97.c
index e4145509d63c..9c5219392460 100644
--- a/sound/soc/samsung/ac97.c
+++ b/sound/soc/samsung/ac97.c
@@ -324,7 +324,7 @@ static const struct snd_soc_component_driver s3c_ac97_component = {

static int s3c_ac97_probe(struct platform_device *pdev)
{
- struct resource *mem_res, *dmatx_res, *dmarx_res, *dmamic_res, *irq_res;
+ struct resource *mem_res, *irq_res;
struct s3c_audio_pdata *ac97_pdata;
int ret;

@@ -335,24 +335,6 @@ static int s3c_ac97_probe(struct platform_device *pdev)
}

/* Check for availability of necessary resource */
- dmatx_res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
- if (!dmatx_res) {
- dev_err(&pdev->dev, "Unable to get AC97-TX dma resource\n");
- return -ENXIO;
- }
-
- dmarx_res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
- if (!dmarx_res) {
- dev_err(&pdev->dev, "Unable to get AC97-RX dma resource\n");
- return -ENXIO;
- }
-
- dmamic_res = platform_get_resource(pdev, IORESOURCE_DMA, 2);
- if (!dmamic_res) {
- dev_err(&pdev->dev, "Unable to get AC97-MIC dma resource\n");
- return -ENXIO;
- }
-
irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!irq_res) {
dev_err(&pdev->dev, "AC97 IRQ not provided!\n");
@@ -364,11 +346,11 @@ static int s3c_ac97_probe(struct platform_device *pdev)
if (IS_ERR(s3c_ac97.regs))
return PTR_ERR(s3c_ac97.regs);

- s3c_ac97_pcm_out.channel = dmatx_res->start;
+ s3c_ac97_pcm_out.slave = ac97_pdata->dma_playback;
s3c_ac97_pcm_out.dma_addr = mem_res->start + S3C_AC97_PCM_DATA;
- s3c_ac97_pcm_in.channel = dmarx_res->start;
+ s3c_ac97_pcm_in.slave = ac97_pdata->dma_capture;
s3c_ac97_pcm_in.dma_addr = mem_res->start + S3C_AC97_PCM_DATA;
- s3c_ac97_mic_in.channel = dmamic_res->start;
+ s3c_ac97_mic_in.slave = ac97_pdata->dma_capture_mic;
s3c_ac97_mic_in.dma_addr = mem_res->start + S3C_AC97_MIC_DATA;

init_completion(&s3c_ac97.done);
diff --git a/sound/soc/samsung/dma.h b/sound/soc/samsung/dma.h
index 0e85dcfec023..085ef30f5ca2 100644
--- a/sound/soc/samsung/dma.h
+++ b/sound/soc/samsung/dma.h
@@ -15,7 +15,7 @@
#include <sound/dmaengine_pcm.h>

struct s3c_dma_params {
- int channel; /* Channel ID */
+ void *slave; /* Channel ID */
dma_addr_t dma_addr;
int dma_size; /* Size of the DMA transfer */
char *ch_name;
diff --git a/sound/soc/samsung/dmaengine.c b/sound/soc/samsung/dmaengine.c
index 506f5bf6d082..727008d57d14 100644
--- a/sound/soc/samsung/dmaengine.c
+++ b/sound/soc/samsung/dmaengine.c
@@ -50,14 +50,14 @@ void samsung_asoc_init_dma_data(struct snd_soc_dai *dai,

if (playback) {
playback_data = &playback->dma_data;
- playback_data->filter_data = (void *)playback->channel;
+ playback_data->filter_data = playback->slave;
playback_data->chan_name = playback->ch_name;
playback_data->addr = playback->dma_addr;
playback_data->addr_width = playback->dma_size;
}
if (capture) {
capture_data = &capture->dma_data;
- capture_data->filter_data = (void *)capture->channel;
+ capture_data->filter_data = capture->slave;
capture_data->chan_name = capture->ch_name;
capture_data->addr = capture->dma_addr;
capture_data->addr_width = capture->dma_size;
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index 7dbf899b2af2..e163b0148c4b 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -1260,27 +1260,14 @@ static int samsung_i2s_probe(struct platform_device *pdev)
pri_dai->lock = &pri_dai->spinlock;

if (!np) {
- res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
- if (!res) {
- dev_err(&pdev->dev,
- "Unable to get I2S-TX dma resource\n");
- return -ENXIO;
- }
- pri_dai->dma_playback.channel = res->start;
-
- res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
- if (!res) {
- dev_err(&pdev->dev,
- "Unable to get I2S-RX dma resource\n");
- return -ENXIO;
- }
- pri_dai->dma_capture.channel = res->start;
-
if (i2s_pdata == NULL) {
dev_err(&pdev->dev, "Can't work without s3c_audio_pdata\n");
return -EINVAL;
}

+ pri_dai->dma_playback.slave = i2s_pdata->dma_playback;
+ pri_dai->dma_capture.slave = i2s_pdata->dma_capture;
+
if (&i2s_pdata->type)
i2s_cfg = &i2s_pdata->type.i2s;

@@ -1341,11 +1328,8 @@ static int samsung_i2s_probe(struct platform_device *pdev)
sec_dai->dma_playback.dma_addr = regs_base + I2STXDS;
sec_dai->dma_playback.ch_name = "tx-sec";

- if (!np) {
- res = platform_get_resource(pdev, IORESOURCE_DMA, 2);
- if (res)
- sec_dai->dma_playback.channel = res->start;
- }
+ if (!np)
+ sec_dai->dma_playback.slave = i2s_pdata->dma_play_sec;

sec_dai->dma_playback.dma_size = 4;
sec_dai->addr = pri_dai->addr;
diff --git a/sound/soc/samsung/pcm.c b/sound/soc/samsung/pcm.c
index b320a9d3fbf8..c77f324e0bb8 100644
--- a/sound/soc/samsung/pcm.c
+++ b/sound/soc/samsung/pcm.c
@@ -486,7 +486,7 @@ static const struct snd_soc_component_driver s3c_pcm_component = {
static int s3c_pcm_dev_probe(struct platform_device *pdev)
{
struct s3c_pcm_info *pcm;
- struct resource *mem_res, *dmatx_res, *dmarx_res;
+ struct resource *mem_res;
struct s3c_audio_pdata *pcm_pdata;
int ret;

@@ -499,18 +499,6 @@ static int s3c_pcm_dev_probe(struct platform_device *pdev)
pcm_pdata = pdev->dev.platform_data;

/* Check for availability of necessary resource */
- dmatx_res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
- if (!dmatx_res) {
- dev_err(&pdev->dev, "Unable to get PCM-TX dma resource\n");
- return -ENXIO;
- }
-
- dmarx_res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
- if (!dmarx_res) {
- dev_err(&pdev->dev, "Unable to get PCM-RX dma resource\n");
- return -ENXIO;
- }
-
mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem_res) {
dev_err(&pdev->dev, "Unable to get register resource\n");
@@ -568,8 +556,10 @@ static int s3c_pcm_dev_probe(struct platform_device *pdev)
s3c_pcm_stereo_out[pdev->id].dma_addr = mem_res->start
+ S3C_PCM_TXFIFO;

- s3c_pcm_stereo_in[pdev->id].channel = dmarx_res->start;
- s3c_pcm_stereo_out[pdev->id].channel = dmatx_res->start;
+ if (pcm_pdata) {
+ s3c_pcm_stereo_in[pdev->id].slave = pcm_pdata->dma_capture;
+ s3c_pcm_stereo_out[pdev->id].slave = pcm_pdata->dma_playback;
+ }

pcm->dma_capture = &s3c_pcm_stereo_in[pdev->id];
pcm->dma_playback = &s3c_pcm_stereo_out[pdev->id];
diff --git a/sound/soc/samsung/s3c2412-i2s.c b/sound/soc/samsung/s3c2412-i2s.c
index 2b766d212ce0..77d27c85a32a 100644
--- a/sound/soc/samsung/s3c2412-i2s.c
+++ b/sound/soc/samsung/s3c2412-i2s.c
@@ -34,13 +34,13 @@
#include "s3c2412-i2s.h"

static struct s3c_dma_params s3c2412_i2s_pcm_stereo_out = {
- .channel = DMACH_I2S_OUT,
+ .slave = (void *)(uintptr_t)DMACH_I2S_OUT,
.ch_name = "tx",
.dma_size = 4,
};

static struct s3c_dma_params s3c2412_i2s_pcm_stereo_in = {
- .channel = DMACH_I2S_IN,
+ .slave = (void *)(uintptr_t)DMACH_I2S_IN,
.ch_name = "rx",
.dma_size = 4,
};
diff --git a/sound/soc/samsung/s3c24xx-i2s.c b/sound/soc/samsung/s3c24xx-i2s.c
index 5bf723689692..9da3a77ea2c7 100644
--- a/sound/soc/samsung/s3c24xx-i2s.c
+++ b/sound/soc/samsung/s3c24xx-i2s.c
@@ -32,13 +32,13 @@
#include "s3c24xx-i2s.h"

static struct s3c_dma_params s3c24xx_i2s_pcm_stereo_out = {
- .channel = DMACH_I2S_OUT,
+ .slave = (void *)(uintptr_t)DMACH_I2S_OUT,
.ch_name = "tx",
.dma_size = 2,
};

static struct s3c_dma_params s3c24xx_i2s_pcm_stereo_in = {
- .channel = DMACH_I2S_IN,
+ .slave = (void *)(uintptr_t)DMACH_I2S_IN,
.ch_name = "rx",
.dma_size = 2,
};
diff --git a/sound/soc/samsung/spdif.c b/sound/soc/samsung/spdif.c
index 36dbc0e96004..9dd7ee6d03ff 100644
--- a/sound/soc/samsung/spdif.c
+++ b/sound/soc/samsung/spdif.c
@@ -359,7 +359,7 @@ static const struct snd_soc_component_driver samsung_spdif_component = {
static int spdif_probe(struct platform_device *pdev)
{
struct s3c_audio_pdata *spdif_pdata;
- struct resource *mem_res, *dma_res;
+ struct resource *mem_res;
struct samsung_spdif_info *spdif;
int ret;

@@ -367,12 +367,6 @@ static int spdif_probe(struct platform_device *pdev)

dev_dbg(&pdev->dev, "Entered %s\n", __func__);

- dma_res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
- if (!dma_res) {
- dev_err(&pdev->dev, "Unable to get dma resource.\n");
- return -ENXIO;
- }
-
mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem_res) {
dev_err(&pdev->dev, "Unable to get register resource.\n");
@@ -432,7 +426,7 @@ static int spdif_probe(struct platform_device *pdev)

spdif_stereo_out.dma_size = 2;
spdif_stereo_out.dma_addr = mem_res->start + DATA_OUTBUF;
- spdif_stereo_out.channel = dma_res->start;
+ spdif_stereo_out.slave = spdif_pdata ? spdif_pdata->dma_playback : NULL;

spdif->dma_playback = &spdif_stereo_out;

diff --git a/sound/usb/clock.c b/sound/usb/clock.c
index 2ed260b10f6d..7ccbcaf6a147 100644
--- a/sound/usb/clock.c
+++ b/sound/usb/clock.c
@@ -285,6 +285,8 @@ static int set_sample_rate_v1(struct snd_usb_audio *chip, int iface,
unsigned char data[3];
int err, crate;

+ if (get_iface_desc(alts)->bNumEndpoints < 1)
+ return -EINVAL;
ep = get_endpoint(alts, 0)->bEndpointAddress;

/* if endpoint doesn't have sampling rate control, bail out */
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 7b1cb365ffab..c07a7eda42a2 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -438,6 +438,9 @@ exit_clear:
*
* New endpoints will be added to chip->ep_list and must be freed by
* calling snd_usb_endpoint_free().
+ *
+ * For SND_USB_ENDPOINT_TYPE_SYNC, the caller needs to guarantee that
+ * bNumEndpoints > 1 beforehand.
*/
struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip,
struct usb_host_interface *alts,
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 279025650568..f6c3bf79af9a 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -1519,7 +1519,11 @@ static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol,

/* use known values for that card: interface#1 altsetting#1 */
iface = usb_ifnum_to_if(chip->dev, 1);
+ if (!iface || iface->num_altsetting < 2)
+ return -EINVAL;
alts = &iface->altsetting[1];
+ if (get_iface_desc(alts)->bNumEndpoints < 1)
+ return -EINVAL;
ep = get_endpoint(alts, 0)->bEndpointAddress;

err = snd_usb_ctl_msg(chip->dev,
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 9245f52d43bd..44d178ee9177 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -159,6 +159,8 @@ static int init_pitch_v1(struct snd_usb_audio *chip, int iface,
unsigned char data[1];
int err;

+ if (get_iface_desc(alts)->bNumEndpoints < 1)
+ return -EINVAL;
ep = get_endpoint(alts, 0)->bEndpointAddress;

data[0] = 1;
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index c458d60d5030..cd7eac28edee 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -150,6 +150,7 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
usb_audio_err(chip, "cannot memdup\n");
return -ENOMEM;
}
+ INIT_LIST_HEAD(&fp->list);
if (fp->nr_rates > MAX_NR_RATES) {
kfree(fp);
return -EINVAL;
@@ -167,19 +168,20 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
stream = (fp->endpoint & USB_DIR_IN)
? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
err = snd_usb_add_audio_stream(chip, stream, fp);
- if (err < 0) {
- kfree(fp);
- kfree(rate_table);
- return err;
- }
+ if (err < 0)
+ goto error;
if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber ||
fp->altset_idx >= iface->num_altsetting) {
- kfree(fp);
- kfree(rate_table);
- return -EINVAL;
+ err = -EINVAL;
+ goto error;
}
alts = &iface->altsetting[fp->altset_idx];
altsd = get_iface_desc(alts);
+ if (altsd->bNumEndpoints < 1) {
+ err = -EINVAL;
+ goto error;
+ }
+
fp->protocol = altsd->bInterfaceProtocol;

if (fp->datainterval == 0)
@@ -190,6 +192,12 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
snd_usb_init_pitch(chip, fp->iface, alts, fp);
snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max);
return 0;
+
+ error:
+ list_del(&fp->list); /* unlink for avoiding double-free */
+ kfree(fp);
+ kfree(rate_table);
+ return err;
}

static int create_auto_pcm_quirk(struct snd_usb_audio *chip,
@@ -462,6 +470,7 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip,
fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
fp->datainterval = 0;
fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
+ INIT_LIST_HEAD(&fp->list);

switch (fp->maxpacksize) {
case 0x120:
@@ -485,6 +494,7 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip,
? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
err = snd_usb_add_audio_stream(chip, stream, fp);
if (err < 0) {
+ list_del(&fp->list); /* unlink for avoiding double-free */
kfree(fp);
return err;
}
@@ -1121,6 +1131,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
switch (chip->usb_id) {
case USB_ID(0x045E, 0x075D): /* MS Lifecam Cinema */
case USB_ID(0x045E, 0x076D): /* MS Lifecam HD-5000 */
+ case USB_ID(0x045E, 0x076E): /* MS Lifecam HD-5001 */
case USB_ID(0x045E, 0x076F): /* MS Lifecam HD-6000 */
case USB_ID(0x045E, 0x0772): /* MS Lifecam Studio */
case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index 8ee14f2365e7..3b23102230c0 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -316,7 +316,9 @@ static struct snd_pcm_chmap_elem *convert_chmap(int channels, unsigned int bits,
/*
* add this endpoint to the chip instance.
* if a stream with the same endpoint already exists, append to it.
- * if not, create a new pcm stream.
+ * if not, create a new pcm stream. note, fp is added to the substream
+ * fmt_list and will be freed on the chip instance release. do not free
+ * fp or do remove it from the substream fmt_list to avoid double-free.
*/
int snd_usb_add_audio_stream(struct snd_usb_audio *chip,
int stream,
@@ -677,6 +679,7 @@ int snd_usb_parse_audio_interface(struct snd_usb_audio *chip, int iface_no)
* (fp->maxpacksize & 0x7ff);
fp->attributes = parse_uac_endpoint_attributes(chip, alts, protocol, iface_no);
fp->clock = clock;
+ INIT_LIST_HEAD(&fp->list);

/* some quirks for attributes here */

@@ -725,6 +728,7 @@ int snd_usb_parse_audio_interface(struct snd_usb_audio *chip, int iface_no)
dev_dbg(&dev->dev, "%u:%d: add audio endpoint %#x\n", iface_no, altno, fp->endpoint);
err = snd_usb_add_audio_stream(chip, stream, fp);
if (err < 0) {
+ list_del(&fp->list); /* unlink for avoiding double-free */
kfree(fp->rate_table);
kfree(fp->chmap);
kfree(fp);
diff --git a/tools/hv/Makefile b/tools/hv/Makefile
index a8ab79556926..a8c4644022a6 100644
--- a/tools/hv/Makefile
+++ b/tools/hv/Makefile
@@ -5,6 +5,8 @@ PTHREAD_LIBS = -lpthread
WARNINGS = -Wall -Wextra
CFLAGS = $(WARNINGS) -g $(PTHREAD_LIBS) $(shell getconf LFS_CFLAGS)

+CFLAGS += -D__EXPORTED_HEADERS__ -I../../include/uapi -I../../include
+
all: hv_kvp_daemon hv_vss_daemon hv_fcopy_daemon
%: %.c
$(CC) $(CFLAGS) -o $@ $^
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index b48e87693aa5..a35db828bd0d 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -2101,11 +2101,11 @@ char *parse_events_formats_error_string(char *additional_terms)

/* valid terms */
if (additional_terms) {
- if (!asprintf(&str, "valid terms: %s,%s",
- additional_terms, static_terms))
+ if (asprintf(&str, "valid terms: %s,%s",
+ additional_terms, static_terms) < 0)
goto fail;
} else {
- if (!asprintf(&str, "valid terms: %s", static_terms))
+ if (asprintf(&str, "valid terms: %s", static_terms) < 0)
goto fail;
}
return str;
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index e4b173dec4b9..6f2a0279476c 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -283,13 +283,12 @@ static int pmu_aliases_parse(char *dir, struct list_head *head)
{
struct dirent *evt_ent;
DIR *event_dir;
- int ret = 0;

event_dir = opendir(dir);
if (!event_dir)
return -EINVAL;

- while (!ret && (evt_ent = readdir(event_dir))) {
+ while ((evt_ent = readdir(event_dir))) {
char path[PATH_MAX];
char *name = evt_ent->d_name;
FILE *file;
@@ -305,17 +304,19 @@ static int pmu_aliases_parse(char *dir, struct list_head *head)

snprintf(path, PATH_MAX, "%s/%s", dir, name);

- ret = -EINVAL;
file = fopen(path, "r");
- if (!file)
- break;
+ if (!file) {
+ pr_debug("Cannot open %s\n", path);
+ continue;
+ }

- ret = perf_pmu__new_alias(head, dir, name, file);
+ if (perf_pmu__new_alias(head, dir, name, file) < 0)
+ pr_debug("Cannot set up %s\n", name);
fclose(file);
}

closedir(event_dir);
- return ret;
+ return 0;
}

/*
diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
index 1833103768cb..c8680984d2d6 100644
--- a/tools/perf/util/setup.py
+++ b/tools/perf/util/setup.py
@@ -22,6 +22,7 @@ cflags = getenv('CFLAGS', '').split()
# switch off several checks (need to be at the end of cflags list)
cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter' ]

+src_perf = getenv('srctree') + '/tools/perf'
build_lib = getenv('PYTHON_EXTBUILD_LIB')
build_tmp = getenv('PYTHON_EXTBUILD_TMP')
libtraceevent = getenv('LIBTRACEEVENT')
@@ -30,6 +31,9 @@ libapikfs = getenv('LIBAPI')
ext_sources = [f.strip() for f in file('util/python-ext-sources')
if len(f.strip()) > 0 and f[0] != '#']

+# use full paths with source files
+ext_sources = map(lambda x: '%s/%s' % (src_perf, x) , ext_sources)
+
perf = Extension('perf',
sources = ext_sources,
include_dirs = ['util/include'],
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 7338e30421d8..fefbf2d148ef 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -547,6 +547,16 @@ static struct kvm *kvm_create_vm(unsigned long type)
if (!kvm)
return ERR_PTR(-ENOMEM);

+ spin_lock_init(&kvm->mmu_lock);
+ atomic_inc(&current->mm->mm_count);
+ kvm->mm = current->mm;
+ kvm_eventfd_init(kvm);
+ mutex_init(&kvm->lock);
+ mutex_init(&kvm->irq_lock);
+ mutex_init(&kvm->slots_lock);
+ atomic_set(&kvm->users_count, 1);
+ INIT_LIST_HEAD(&kvm->devices);
+
r = kvm_arch_init_vm(kvm, type);
if (r)
goto out_err_no_disable;
@@ -579,16 +589,6 @@ static struct kvm *kvm_create_vm(unsigned long type)
goto out_err;
}

- spin_lock_init(&kvm->mmu_lock);
- kvm->mm = current->mm;
- atomic_inc(&kvm->mm->mm_count);
- kvm_eventfd_init(kvm);
- mutex_init(&kvm->lock);
- mutex_init(&kvm->irq_lock);
- mutex_init(&kvm->slots_lock);
- atomic_set(&kvm->users_count, 1);
- INIT_LIST_HEAD(&kvm->devices);
-
r = kvm_init_mmu_notifier(kvm);
if (r)
goto out_err;
@@ -613,6 +613,7 @@ out_err_no_disable:
for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++)
kvm_free_memslots(kvm, kvm->memslots[i]);
kvm_arch_free_vm(kvm);
+ mmdrop(current->mm);
return ERR_PTR(r);
}

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