Re: Linux 5.5.4

From: Greg KH
Date: Fri Feb 14 2020 - 19:45:47 EST

Next message: Kevin Hao: "Re: [PATCH AUTOSEL 5.4 332/459] gpio: Fix the no return statement warning"
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In reply to: Greg KH: "Linux 5.5.4"
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diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml
index 6eb33207a167..5117ad68a584 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml
@@ -82,7 +82,7 @@ properties:
Must be the device tree identifier of the over-sampling
mode pins. As the line is active high, it should be marked
GPIO_ACTIVE_HIGH.
- maxItems: 1
+ maxItems: 3

adi,sw-mode:
description:
@@ -125,9 +125,9 @@ examples:
adi,conversion-start-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
reset-gpios = <&gpio 27 GPIO_ACTIVE_HIGH>;
adi,first-data-gpios = <&gpio 22 GPIO_ACTIVE_HIGH>;
- adi,oversampling-ratio-gpios = <&gpio 18 GPIO_ACTIVE_HIGH
- &gpio 23 GPIO_ACTIVE_HIGH
- &gpio 26 GPIO_ACTIVE_HIGH>;
+ adi,oversampling-ratio-gpios = <&gpio 18 GPIO_ACTIVE_HIGH>,
+ <&gpio 23 GPIO_ACTIVE_HIGH>,
+ <&gpio 26 GPIO_ACTIVE_HIGH>;
standby-gpios = <&gpio 24 GPIO_ACTIVE_LOW>;
adi,sw-mode;
};
diff --git a/Makefile b/Makefile
index fdaa1e262320..62f956e9c81d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 5
-SUBLEVEL = 3
+SUBLEVEL = 4
EXTRAVERSION =
NAME = Kleptomaniac Octopus

diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi
index f9a5c9ddcae7..1d109b06e7d8 100644
--- a/arch/arc/boot/dts/axs10x_mb.dtsi
+++ b/arch/arc/boot/dts/axs10x_mb.dtsi
@@ -78,6 +78,7 @@ gmac: ethernet@18000 {
interrupt-names = "macirq";
phy-mode = "rgmii";
snps,pbl = < 32 >;
+ snps,multicast-filter-bins = <256>;
clocks = <&apbclk>;
clock-names = "stmmaceth";
max-speed = <100>;
diff --git a/arch/arm/boot/dts/am43xx-clocks.dtsi b/arch/arm/boot/dts/am43xx-clocks.dtsi
index 091356f2a8c1..c726cd8dbdf1 100644
--- a/arch/arm/boot/dts/am43xx-clocks.dtsi
+++ b/arch/arm/boot/dts/am43xx-clocks.dtsi
@@ -704,6 +704,60 @@ usb_phy1_always_on_clk32k: usb_phy1_always_on_clk32k@2a48 {
ti,bit-shift = <8>;
reg = <0x2a48>;
};
+
+ clkout1_osc_div_ck: clkout1-osc-div-ck {
+ #clock-cells = <0>;
+ compatible = "ti,divider-clock";
+ clocks = <&sys_clkin_ck>;
+ ti,bit-shift = <20>;
+ ti,max-div = <4>;
+ reg = <0x4100>;
+ };
+
+ clkout1_src2_mux_ck: clkout1-src2-mux-ck {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&clk_rc32k_ck>, <&sysclk_div>, <&dpll_ddr_m2_ck>,
+ <&dpll_per_m2_ck>, <&dpll_disp_m2_ck>,
+ <&dpll_mpu_m2_ck>;
+ reg = <0x4100>;
+ };
+
+ clkout1_src2_pre_div_ck: clkout1-src2-pre-div-ck {
+ #clock-cells = <0>;
+ compatible = "ti,divider-clock";
+ clocks = <&clkout1_src2_mux_ck>;
+ ti,bit-shift = <4>;
+ ti,max-div = <8>;
+ reg = <0x4100>;
+ };
+
+ clkout1_src2_post_div_ck: clkout1-src2-post-div-ck {
+ #clock-cells = <0>;
+ compatible = "ti,divider-clock";
+ clocks = <&clkout1_src2_pre_div_ck>;
+ ti,bit-shift = <8>;
+ ti,max-div = <32>;
+ ti,index-power-of-two;
+ reg = <0x4100>;
+ };
+
+ clkout1_mux_ck: clkout1-mux-ck {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&clkout1_osc_div_ck>, <&clk_rc32k_ck>,
+ <&clkout1_src2_post_div_ck>, <&dpll_extdev_m2_ck>;
+ ti,bit-shift = <16>;
+ reg = <0x4100>;
+ };
+
+ clkout1_ck: clkout1-ck {
+ #clock-cells = <0>;
+ compatible = "ti,gate-clock";
+ clocks = <&clkout1_mux_ck>;
+ ti,bit-shift = <23>;
+ reg = <0x4100>;
+ };
};

&prcm {
diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
index dee9c0c8a096..16c6fd3c4246 100644
--- a/arch/arm/boot/dts/at91sam9260.dtsi
+++ b/arch/arm/boot/dts/at91sam9260.dtsi
@@ -187,7 +187,7 @@ pinctrl_dbgu: dbgu-0 {
usart0 {
pinctrl_usart0: usart0-0 {
atmel,pins =
- <AT91_PIOB 4 AT91_PERIPH_A AT91_PINCTRL_NONE
+ <AT91_PIOB 4 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
AT91_PIOB 5 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

@@ -221,7 +221,7 @@ pinctrl_usart0_ri: usart0_ri-0 {
usart1 {
pinctrl_usart1: usart1-0 {
atmel,pins =
- <AT91_PIOB 6 AT91_PERIPH_A AT91_PINCTRL_NONE
+ <AT91_PIOB 6 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
AT91_PIOB 7 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

@@ -239,7 +239,7 @@ pinctrl_usart1_cts: usart1_cts-0 {
usart2 {
pinctrl_usart2: usart2-0 {
atmel,pins =
- <AT91_PIOB 8 AT91_PERIPH_A AT91_PINCTRL_NONE
+ <AT91_PIOB 8 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
AT91_PIOB 9 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

@@ -257,7 +257,7 @@ pinctrl_usart2_cts: usart2_cts-0 {
usart3 {
pinctrl_usart3: usart3-0 {
atmel,pins =
- <AT91_PIOB 10 AT91_PERIPH_A AT91_PINCTRL_NONE
+ <AT91_PIOB 10 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
AT91_PIOB 11 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

@@ -275,7 +275,7 @@ pinctrl_usart3_cts: usart3_cts-0 {
uart0 {
pinctrl_uart0: uart0-0 {
atmel,pins =
- <AT91_PIOA 31 AT91_PERIPH_B AT91_PINCTRL_NONE
+ <AT91_PIOA 31 AT91_PERIPH_B AT91_PINCTRL_PULL_UP
AT91_PIOA 30 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>;
};
};
@@ -283,7 +283,7 @@ pinctrl_uart0: uart0-0 {
uart1 {
pinctrl_uart1: uart1-0 {
atmel,pins =
- <AT91_PIOB 12 AT91_PERIPH_A AT91_PINCTRL_NONE
+ <AT91_PIOB 12 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
AT91_PIOB 13 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};
};
diff --git a/arch/arm/boot/dts/at91sam9261.dtsi b/arch/arm/boot/dts/at91sam9261.dtsi
index dba025a98527..5ed3d745ac86 100644
--- a/arch/arm/boot/dts/at91sam9261.dtsi
+++ b/arch/arm/boot/dts/at91sam9261.dtsi
@@ -329,7 +329,7 @@ pinctrl_dbgu: dbgu-0 {
usart0 {
pinctrl_usart0: usart0-0 {
atmel,pins =
- <AT91_PIOC 8 AT91_PERIPH_A AT91_PINCTRL_NONE>,
+ <AT91_PIOC 8 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
<AT91_PIOC 9 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

@@ -347,7 +347,7 @@ pinctrl_usart0_cts: usart0_cts-0 {
usart1 {
pinctrl_usart1: usart1-0 {
atmel,pins =
- <AT91_PIOC 12 AT91_PERIPH_A AT91_PINCTRL_NONE>,
+ <AT91_PIOC 12 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
<AT91_PIOC 13 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

@@ -365,7 +365,7 @@ pinctrl_usart1_cts: usart1_cts-0 {
usart2 {
pinctrl_usart2: usart2-0 {
atmel,pins =
- <AT91_PIOC 14 AT91_PERIPH_A AT91_PINCTRL_NONE>,
+ <AT91_PIOC 14 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
<AT91_PIOC 15 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi
index 99678abdda93..5c990cfae254 100644
--- a/arch/arm/boot/dts/at91sam9263.dtsi
+++ b/arch/arm/boot/dts/at91sam9263.dtsi
@@ -183,7 +183,7 @@ pinctrl_dbgu: dbgu-0 {
usart0 {
pinctrl_usart0: usart0-0 {
atmel,pins =
- <AT91_PIOA 26 AT91_PERIPH_A AT91_PINCTRL_NONE
+ <AT91_PIOA 26 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
AT91_PIOA 27 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

@@ -201,7 +201,7 @@ pinctrl_usart0_cts: usart0_cts-0 {
usart1 {
pinctrl_usart1: usart1-0 {
atmel,pins =
- <AT91_PIOD 0 AT91_PERIPH_A AT91_PINCTRL_NONE
+ <AT91_PIOD 0 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
AT91_PIOD 1 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

@@ -219,7 +219,7 @@ pinctrl_usart1_cts: usart1_cts-0 {
usart2 {
pinctrl_usart2: usart2-0 {
atmel,pins =
- <AT91_PIOD 2 AT91_PERIPH_A AT91_PINCTRL_NONE
+ <AT91_PIOD 2 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
AT91_PIOD 3 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi
index 691c95ea6175..fd179097a4bf 100644
--- a/arch/arm/boot/dts/at91sam9g45.dtsi
+++ b/arch/arm/boot/dts/at91sam9g45.dtsi
@@ -556,7 +556,7 @@ pinctrl_isi_data_10_11: isi-0-data-10-11 {
usart0 {
pinctrl_usart0: usart0-0 {
atmel,pins =
- <AT91_PIOB 19 AT91_PERIPH_A AT91_PINCTRL_NONE
+ <AT91_PIOB 19 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
AT91_PIOB 18 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

@@ -574,7 +574,7 @@ pinctrl_usart0_cts: usart0_cts-0 {
usart1 {
pinctrl_usart1: usart1-0 {
atmel,pins =
- <AT91_PIOB 4 AT91_PERIPH_A AT91_PINCTRL_NONE
+ <AT91_PIOB 4 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
AT91_PIOB 5 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

@@ -592,7 +592,7 @@ pinctrl_usart1_cts: usart1_cts-0 {
usart2 {
pinctrl_usart2: usart2-0 {
atmel,pins =
- <AT91_PIOB 6 AT91_PERIPH_A AT91_PINCTRL_NONE
+ <AT91_PIOB 6 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
AT91_PIOB 7 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

@@ -610,7 +610,7 @@ pinctrl_usart2_cts: usart2_cts-0 {
usart3 {
pinctrl_usart3: usart3-0 {
atmel,pins =
- <AT91_PIOB 8 AT91_PERIPH_A AT91_PINCTRL_NONE
+ <AT91_PIOB 8 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
AT91_PIOB 9 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

diff --git a/arch/arm/boot/dts/at91sam9rl.dtsi b/arch/arm/boot/dts/at91sam9rl.dtsi
index 8643b7151565..ea024e4b6e09 100644
--- a/arch/arm/boot/dts/at91sam9rl.dtsi
+++ b/arch/arm/boot/dts/at91sam9rl.dtsi
@@ -682,7 +682,7 @@ pinctrl_tcb0_tiob2: tcb0_tiob2-0 {
usart0 {
pinctrl_usart0: usart0-0 {
atmel,pins =
- <AT91_PIOA 6 AT91_PERIPH_A AT91_PINCTRL_NONE>,
+ <AT91_PIOA 6 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
<AT91_PIOA 7 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

@@ -721,7 +721,7 @@ pinctrl_usart0_sck: usart0_sck-0 {
usart1 {
pinctrl_usart1: usart1-0 {
atmel,pins =
- <AT91_PIOA 11 AT91_PERIPH_A AT91_PINCTRL_NONE>,
+ <AT91_PIOA 11 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
<AT91_PIOA 12 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

@@ -744,7 +744,7 @@ pinctrl_usart1_sck: usart1_sck-0 {
usart2 {
pinctrl_usart2: usart2-0 {
atmel,pins =
- <AT91_PIOA 13 AT91_PERIPH_A AT91_PINCTRL_NONE>,
+ <AT91_PIOA 13 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
<AT91_PIOA 14 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

@@ -767,7 +767,7 @@ pinctrl_usart2_sck: usart2_sck-0 {
usart3 {
pinctrl_usart3: usart3-0 {
atmel,pins =
- <AT91_PIOB 0 AT91_PERIPH_A AT91_PINCTRL_NONE>,
+ <AT91_PIOB 0 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
<AT91_PIOB 1 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};

diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi
index 3c534cd50ee3..db2033f674c6 100644
--- a/arch/arm/boot/dts/meson8.dtsi
+++ b/arch/arm/boot/dts/meson8.dtsi
@@ -129,8 +129,8 @@ opp-1992000000 {
gpu_opp_table: gpu-opp-table {
compatible = "operating-points-v2";

- opp-182150000 {
- opp-hz = /bits/ 64 <182150000>;
+ opp-182142857 {
+ opp-hz = /bits/ 64 <182142857>;
opp-microvolt = <1150000>;
};
opp-318750000 {
diff --git a/arch/arm/boot/dts/meson8b.dtsi b/arch/arm/boot/dts/meson8b.dtsi
index 099bf8e711c9..1e8c5d7bc824 100644
--- a/arch/arm/boot/dts/meson8b.dtsi
+++ b/arch/arm/boot/dts/meson8b.dtsi
@@ -125,8 +125,8 @@ opp-255000000 {
opp-hz = /bits/ 64 <255000000>;
opp-microvolt = <1100000>;
};
- opp-364300000 {
- opp-hz = /bits/ 64 <364300000>;
+ opp-364285714 {
+ opp-hz = /bits/ 64 <364285714>;
opp-microvolt = <1100000>;
};
opp-425000000 {
diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi
index f770aace0efd..203d40be70a5 100644
--- a/arch/arm/boot/dts/sama5d3.dtsi
+++ b/arch/arm/boot/dts/sama5d3.dtsi
@@ -1188,49 +1188,49 @@ pioE_clk: pioE_clk {
usart0_clk: usart0_clk {
#clock-cells = <0>;
reg = <12>;
- atmel,clk-output-range = <0 66000000>;
+ atmel,clk-output-range = <0 83000000>;
};

usart1_clk: usart1_clk {
#clock-cells = <0>;
reg = <13>;
- atmel,clk-output-range = <0 66000000>;
+ atmel,clk-output-range = <0 83000000>;
};

usart2_clk: usart2_clk {
#clock-cells = <0>;
reg = <14>;
- atmel,clk-output-range = <0 66000000>;
+ atmel,clk-output-range = <0 83000000>;
};

usart3_clk: usart3_clk {
#clock-cells = <0>;
reg = <15>;
- atmel,clk-output-range = <0 66000000>;
+ atmel,clk-output-range = <0 83000000>;
};

uart0_clk: uart0_clk {
#clock-cells = <0>;
reg = <16>;
- atmel,clk-output-range = <0 66000000>;
+ atmel,clk-output-range = <0 83000000>;
};

twi0_clk: twi0_clk {
reg = <18>;
#clock-cells = <0>;
- atmel,clk-output-range = <0 16625000>;
+ atmel,clk-output-range = <0 41500000>;
};

twi1_clk: twi1_clk {
#clock-cells = <0>;
reg = <19>;
- atmel,clk-output-range = <0 16625000>;
+ atmel,clk-output-range = <0 41500000>;
};

twi2_clk: twi2_clk {
#clock-cells = <0>;
reg = <20>;
- atmel,clk-output-range = <0 16625000>;
+ atmel,clk-output-range = <0 41500000>;
};

mci0_clk: mci0_clk {
@@ -1246,19 +1246,19 @@ mci1_clk: mci1_clk {
spi0_clk: spi0_clk {
#clock-cells = <0>;
reg = <24>;
- atmel,clk-output-range = <0 133000000>;
+ atmel,clk-output-range = <0 166000000>;
};

spi1_clk: spi1_clk {
#clock-cells = <0>;
reg = <25>;
- atmel,clk-output-range = <0 133000000>;
+ atmel,clk-output-range = <0 166000000>;
};

tcb0_clk: tcb0_clk {
#clock-cells = <0>;
reg = <26>;
- atmel,clk-output-range = <0 133000000>;
+ atmel,clk-output-range = <0 166000000>;
};

pwm_clk: pwm_clk {
@@ -1269,7 +1269,7 @@ pwm_clk: pwm_clk {
adc_clk: adc_clk {
#clock-cells = <0>;
reg = <29>;
- atmel,clk-output-range = <0 66000000>;
+ atmel,clk-output-range = <0 83000000>;
};

dma0_clk: dma0_clk {
@@ -1300,13 +1300,13 @@ isi_clk: isi_clk {
ssc0_clk: ssc0_clk {
#clock-cells = <0>;
reg = <38>;
- atmel,clk-output-range = <0 66000000>;
+ atmel,clk-output-range = <0 83000000>;
};

ssc1_clk: ssc1_clk {
#clock-cells = <0>;
reg = <39>;
- atmel,clk-output-range = <0 66000000>;
+ atmel,clk-output-range = <0 83000000>;
};

sha_clk: sha_clk {
diff --git a/arch/arm/boot/dts/sama5d3_can.dtsi b/arch/arm/boot/dts/sama5d3_can.dtsi
index cf06a018ed0f..2470dd3fff25 100644
--- a/arch/arm/boot/dts/sama5d3_can.dtsi
+++ b/arch/arm/boot/dts/sama5d3_can.dtsi
@@ -36,13 +36,13 @@ periphck {
can0_clk: can0_clk {
#clock-cells = <0>;
reg = <40>;
- atmel,clk-output-range = <0 66000000>;
+ atmel,clk-output-range = <0 83000000>;
};

can1_clk: can1_clk {
#clock-cells = <0>;
reg = <41>;
- atmel,clk-output-range = <0 66000000>;
+ atmel,clk-output-range = <0 83000000>;
};
};
};
diff --git a/arch/arm/boot/dts/sama5d3_tcb1.dtsi b/arch/arm/boot/dts/sama5d3_tcb1.dtsi
index 1584035daf51..215802b8db30 100644
--- a/arch/arm/boot/dts/sama5d3_tcb1.dtsi
+++ b/arch/arm/boot/dts/sama5d3_tcb1.dtsi
@@ -22,6 +22,7 @@ periphck {
tcb1_clk: tcb1_clk {
#clock-cells = <0>;
reg = <27>;
+ atmel,clk-output-range = <0 166000000>;
};
};
};
diff --git a/arch/arm/boot/dts/sama5d3_uart.dtsi b/arch/arm/boot/dts/sama5d3_uart.dtsi
index 4316bdbdc25d..cb62adbd28ed 100644
--- a/arch/arm/boot/dts/sama5d3_uart.dtsi
+++ b/arch/arm/boot/dts/sama5d3_uart.dtsi
@@ -41,13 +41,13 @@ periphck {
uart0_clk: uart0_clk {
#clock-cells = <0>;
reg = <16>;
- atmel,clk-output-range = <0 66000000>;
+ atmel,clk-output-range = <0 83000000>;
};

uart1_clk: uart1_clk {
#clock-cells = <0>;
reg = <17>;
- atmel,clk-output-range = <0 66000000>;
+ atmel,clk-output-range = <0 83000000>;
};
};
};
diff --git a/arch/arm/crypto/chacha-glue.c b/arch/arm/crypto/chacha-glue.c
index 6ebbb2b241d2..6fdb0ac62b3d 100644
--- a/arch/arm/crypto/chacha-glue.c
+++ b/arch/arm/crypto/chacha-glue.c
@@ -115,7 +115,7 @@ static int chacha_stream_xor(struct skcipher_request *req,
if (nbytes < walk.total)
nbytes = round_down(nbytes, walk.stride);

- if (!neon) {
+ if (!IS_ENABLED(CONFIG_KERNEL_MODE_NEON) || !neon) {
chacha_doarm(walk.dst.virt.addr, walk.src.virt.addr,
nbytes, state, ctx->nrounds);
state[12] += DIV_ROUND_UP(nbytes, CHACHA_BLOCK_SIZE);
@@ -159,7 +159,7 @@ static int do_xchacha(struct skcipher_request *req, bool neon)

chacha_init_generic(state, ctx->key, req->iv);

- if (!neon) {
+ if (!IS_ENABLED(CONFIG_KERNEL_MODE_NEON) || !neon) {
hchacha_block_arm(state, subctx.key, ctx->nrounds);
} else {
kernel_neon_begin();
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index d5af6aedc02c..52665f30d236 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -691,6 +691,12 @@ static void __init at91_pm_use_default_mode(int pm_mode)
soc_pm.data.suspend_mode = AT91_PM_ULP0;
}

+static const struct of_device_id atmel_shdwc_ids[] = {
+ { .compatible = "atmel,sama5d2-shdwc" },
+ { .compatible = "microchip,sam9x60-shdwc" },
+ { /* sentinel. */ }
+};
+
static void __init at91_pm_modes_init(void)
{
struct device_node *np;
@@ -700,7 +706,7 @@ static void __init at91_pm_modes_init(void)
!at91_is_pm_mode_active(AT91_PM_ULP1))
return;

- np = of_find_compatible_node(NULL, NULL, "atmel,sama5d2-shdwc");
+ np = of_find_matching_node(NULL, atmel_shdwc_ids);
if (!np) {
pr_warn("%s: failed to find shdwc!\n", __func__);
goto ulp1_default;
@@ -751,6 +757,7 @@ static const struct of_device_id atmel_pmc_ids[] __initconst = {
{ .compatible = "atmel,sama5d3-pmc", .data = &pmc_infos[1] },
{ .compatible = "atmel,sama5d4-pmc", .data = &pmc_infos[1] },
{ .compatible = "atmel,sama5d2-pmc", .data = &pmc_infos[1] },
+ { .compatible = "microchip,sam9x60-pmc", .data = &pmc_infos[1] },
{ /* sentinel */ },
};

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 3ef204137e73..054be44d1cdb 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -324,7 +324,7 @@ static inline void poison_init_mem(void *s, size_t count)
*p++ = 0xe7fddef0;
}

-static inline void
+static inline void __init
free_memmap(unsigned long start_pfn, unsigned long end_pfn)
{
struct page *start_pg, *end_pg;
diff --git a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
index bd4aab6092e0..e31813a4f972 100644
--- a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
@@ -143,6 +143,7 @@ &eth0 {
phy-mode = "sgmii";
status = "okay";
managed = "in-band-status";
+ phys = <&comphy1 0>;
sfp = <&sfp_eth0>;
};

@@ -150,11 +151,14 @@ &eth1 {
phy-mode = "sgmii";
status = "okay";
managed = "in-band-status";
+ phys = <&comphy0 1>;
sfp = <&sfp_eth1>;
};

&usb3 {
status = "okay";
+ phys = <&usb2_utmi_otg_phy>;
+ phy-names = "usb2-utmi-otg-phy";
};

&uart0 {
diff --git a/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts b/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts
index bd881497b872..a211a046b2f2 100644
--- a/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts
+++ b/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts
@@ -408,6 +408,8 @@ port@5 {
reg = <5>;
label = "cpu";
ethernet = <&cp1_eth2>;
+ phy-mode = "2500base-x";
+ managed = "in-band-status";
};
};

diff --git a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
index 5f101a20a20a..e08fcb426bbf 100644
--- a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
@@ -9,6 +9,7 @@
/ {
aliases {
serial0 = &blsp2_uart1;
+ serial1 = &blsp1_uart3;
};

chosen {
diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index fc7838ea9a01..385b46686194 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -987,7 +987,7 @@ ufsphy_lanes: lanes@1da7400 {

tcsr_mutex_regs: syscon@1f40000 {
compatible = "syscon";
- reg = <0x01f40000 0x20000>;
+ reg = <0x01f40000 0x40000>;
};

tlmm: pinctrl@3400000 {
diff --git a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
index b38f9d442fc0..e6d700f8c194 100644
--- a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
@@ -636,7 +636,6 @@ &rcar_sound {
/* audio_clkout0/1/2/3 */
#clock-cells = <1>;
clock-frequency = <12288000 11289600>;
- clkout-lr-synchronous;

status = "okay";

diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 04cf64e9f0c9..32eff833a43c 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -32,9 +32,7 @@ static unsigned long elf_hwcap __read_mostly;
#define COMPAT_ELF_HWCAP_DEFAULT \
(COMPAT_HWCAP_HALF|COMPAT_HWCAP_THUMB|\
COMPAT_HWCAP_FAST_MULT|COMPAT_HWCAP_EDSP|\
- COMPAT_HWCAP_TLS|COMPAT_HWCAP_VFP|\
- COMPAT_HWCAP_VFPv3|COMPAT_HWCAP_VFPv4|\
- COMPAT_HWCAP_NEON|COMPAT_HWCAP_IDIV|\
+ COMPAT_HWCAP_TLS|COMPAT_HWCAP_IDIV|\
COMPAT_HWCAP_LPAE)
unsigned int compat_elf_hwcap __read_mostly = COMPAT_ELF_HWCAP_DEFAULT;
unsigned int compat_elf_hwcap2 __read_mostly;
@@ -1368,7 +1366,7 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
{
/* FP/SIMD is not implemented */
.capability = ARM64_HAS_NO_FPSIMD,
- .type = ARM64_CPUCAP_SYSTEM_FEATURE,
+ .type = ARM64_CPUCAP_BOOT_RESTRICTED_CPU_LOCAL_FEATURE,
.min_field_value = 0,
.matches = has_no_fpsimd,
},
@@ -1596,6 +1594,12 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
.match_list = list, \
}

+#define HWCAP_CAP_MATCH(match, cap_type, cap) \
+ { \
+ __HWCAP_CAP(#cap, cap_type, cap) \
+ .matches = match, \
+ }
+
#ifdef CONFIG_ARM64_PTR_AUTH
static const struct arm64_cpu_capabilities ptr_auth_hwcap_addr_matches[] = {
{
@@ -1669,8 +1673,35 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = {
{},
};

+#ifdef CONFIG_COMPAT
+static bool compat_has_neon(const struct arm64_cpu_capabilities *cap, int scope)
+{
+ /*
+ * Check that all of MVFR1_EL1.{SIMDSP, SIMDInt, SIMDLS} are available,
+ * in line with that of arm32 as in vfp_init(). We make sure that the
+ * check is future proof, by making sure value is non-zero.
+ */
+ u32 mvfr1;
+
+ WARN_ON(scope == SCOPE_LOCAL_CPU && preemptible());
+ if (scope == SCOPE_SYSTEM)
+ mvfr1 = read_sanitised_ftr_reg(SYS_MVFR1_EL1);
+ else
+ mvfr1 = read_sysreg_s(SYS_MVFR1_EL1);
+
+ return cpuid_feature_extract_unsigned_field(mvfr1, MVFR1_SIMDSP_SHIFT) &&
+ cpuid_feature_extract_unsigned_field(mvfr1, MVFR1_SIMDINT_SHIFT) &&
+ cpuid_feature_extract_unsigned_field(mvfr1, MVFR1_SIMDLS_SHIFT);
+}
+#endif
+
static const struct arm64_cpu_capabilities compat_elf_hwcaps[] = {
#ifdef CONFIG_COMPAT
+ HWCAP_CAP_MATCH(compat_has_neon, CAP_COMPAT_HWCAP, COMPAT_HWCAP_NEON),
+ HWCAP_CAP(SYS_MVFR1_EL1, MVFR1_SIMDFMAC_SHIFT, FTR_UNSIGNED, 1, CAP_COMPAT_HWCAP, COMPAT_HWCAP_VFPv4),
+ /* Arm v8 mandates MVFR0.FPDP == {0, 2}. So, piggy back on this for the presence of VFP support */
+ HWCAP_CAP(SYS_MVFR0_EL1, MVFR0_FPDP_SHIFT, FTR_UNSIGNED, 2, CAP_COMPAT_HWCAP, COMPAT_HWCAP_VFP),
+ HWCAP_CAP(SYS_MVFR0_EL1, MVFR0_FPDP_SHIFT, FTR_UNSIGNED, 2, CAP_COMPAT_HWCAP, COMPAT_HWCAP_VFPv3),
HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_AES_SHIFT, FTR_UNSIGNED, 2, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_PMULL),
HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_AES_SHIFT, FTR_UNSIGNED, 1, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_AES),
HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_SHA1_SHIFT, FTR_UNSIGNED, 1, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_SHA1),
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index 7c6a0a41676f..d54d165b286a 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -653,6 +653,7 @@ el0_sync:
mov x0, sp
bl el0_sync_handler
b ret_to_user
+ENDPROC(el0_sync)

#ifdef CONFIG_COMPAT
.align 6
@@ -661,16 +662,18 @@ el0_sync_compat:
mov x0, sp
bl el0_sync_compat_handler
b ret_to_user
-ENDPROC(el0_sync)
+ENDPROC(el0_sync_compat)

.align 6
el0_irq_compat:
kernel_entry 0, 32
b el0_irq_naked
+ENDPROC(el0_irq_compat)

el0_error_compat:
kernel_entry 0, 32
b el0_error_naked
+ENDPROC(el0_error_compat)
#endif

.align 6
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 3eb338f14386..94289d126993 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -269,6 +269,7 @@ static void sve_free(struct task_struct *task)
*/
static void task_fpsimd_load(void)
{
+ WARN_ON(!system_supports_fpsimd());
WARN_ON(!have_cpu_fpsimd_context());

if (system_supports_sve() && test_thread_flag(TIF_SVE))
@@ -289,6 +290,7 @@ static void fpsimd_save(void)
this_cpu_ptr(&fpsimd_last_state);
/* set by fpsimd_bind_task_to_cpu() or fpsimd_bind_state_to_cpu() */

+ WARN_ON(!system_supports_fpsimd());
WARN_ON(!have_cpu_fpsimd_context());

if (!test_thread_flag(TIF_FOREIGN_FPSTATE)) {
@@ -1092,6 +1094,7 @@ void fpsimd_bind_task_to_cpu(void)
struct fpsimd_last_state_struct *last =
this_cpu_ptr(&fpsimd_last_state);

+ WARN_ON(!system_supports_fpsimd());
last->st = &current->thread.uw.fpsimd_state;
last->sve_state = current->thread.sve_state;
last->sve_vl = current->thread.sve_vl;
@@ -1114,6 +1117,7 @@ void fpsimd_bind_state_to_cpu(struct user_fpsimd_state *st, void *sve_state,
struct fpsimd_last_state_struct *last =
this_cpu_ptr(&fpsimd_last_state);

+ WARN_ON(!system_supports_fpsimd());
WARN_ON(!in_softirq() && !irqs_disabled());

last->st = st;
@@ -1128,8 +1132,19 @@ void fpsimd_bind_state_to_cpu(struct user_fpsimd_state *st, void *sve_state,
*/
void fpsimd_restore_current_state(void)
{
- if (!system_supports_fpsimd())
+ /*
+ * For the tasks that were created before we detected the absence of
+ * FP/SIMD, the TIF_FOREIGN_FPSTATE could be set via fpsimd_thread_switch(),
+ * e.g, init. This could be then inherited by the children processes.
+ * If we later detect that the system doesn't support FP/SIMD,
+ * we must clear the flag for all the tasks to indicate that the
+ * FPSTATE is clean (as we can't have one) to avoid looping for ever in
+ * do_notify_resume().
+ */
+ if (!system_supports_fpsimd()) {
+ clear_thread_flag(TIF_FOREIGN_FPSTATE);
return;
+ }

get_cpu_fpsimd_context();

@@ -1148,7 +1163,7 @@ void fpsimd_restore_current_state(void)
*/
void fpsimd_update_current_state(struct user_fpsimd_state const *state)
{
- if (!system_supports_fpsimd())
+ if (WARN_ON(!system_supports_fpsimd()))
return;

get_cpu_fpsimd_context();
@@ -1179,7 +1194,13 @@ void fpsimd_update_current_state(struct user_fpsimd_state const *state)
void fpsimd_flush_task_state(struct task_struct *t)
{
t->thread.fpsimd_cpu = NR_CPUS;
-
+ /*
+ * If we don't support fpsimd, bail out after we have
+ * reset the fpsimd_cpu for this task and clear the
+ * FPSTATE.
+ */
+ if (!system_supports_fpsimd())
+ return;
barrier();
set_tsk_thread_flag(t, TIF_FOREIGN_FPSTATE);

@@ -1193,6 +1214,7 @@ void fpsimd_flush_task_state(struct task_struct *t)
*/
static void fpsimd_flush_cpu_state(void)
{
+ WARN_ON(!system_supports_fpsimd());
__this_cpu_write(fpsimd_last_state.st, NULL);
set_thread_flag(TIF_FOREIGN_FPSTATE);
}
@@ -1203,6 +1225,8 @@ static void fpsimd_flush_cpu_state(void)
*/
void fpsimd_save_and_flush_cpu_state(void)
{
+ if (!system_supports_fpsimd())
+ return;
WARN_ON(preemptible());
__get_cpu_fpsimd_context();
fpsimd_save();
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 6771c399d40c..cd6e5fa48b9c 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -615,6 +615,13 @@ static int gpr_set(struct task_struct *target, const struct user_regset *regset,
return 0;
}

+static int fpr_active(struct task_struct *target, const struct user_regset *regset)
+{
+ if (!system_supports_fpsimd())
+ return -ENODEV;
+ return regset->n;
+}
+
/*
* TODO: update fp accessors for lazy context switching (sync/flush hwstate)
*/
@@ -637,6 +644,9 @@ static int fpr_get(struct task_struct *target, const struct user_regset *regset,
unsigned int pos, unsigned int count,
void *kbuf, void __user *ubuf)
{
+ if (!system_supports_fpsimd())
+ return -EINVAL;
+
if (target == current)
fpsimd_preserve_current_state();

@@ -676,6 +686,9 @@ static int fpr_set(struct task_struct *target, const struct user_regset *regset,
{
int ret;

+ if (!system_supports_fpsimd())
+ return -EINVAL;
+
ret = __fpr_set(target, regset, pos, count, kbuf, ubuf, 0);
if (ret)
return ret;
@@ -1134,6 +1147,7 @@ static const struct user_regset aarch64_regsets[] = {
*/
.size = sizeof(u32),
.align = sizeof(u32),
+ .active = fpr_active,
.get = fpr_get,
.set = fpr_set
},
@@ -1348,6 +1362,9 @@ static int compat_vfp_get(struct task_struct *target,
compat_ulong_t fpscr;
int ret, vregs_end_pos;

+ if (!system_supports_fpsimd())
+ return -EINVAL;
+
uregs = &target->thread.uw.fpsimd_state;

if (target == current)
@@ -1381,6 +1398,9 @@ static int compat_vfp_set(struct task_struct *target,
compat_ulong_t fpscr;
int ret, vregs_end_pos;

+ if (!system_supports_fpsimd())
+ return -EINVAL;
+
uregs = &target->thread.uw.fpsimd_state;

vregs_end_pos = VFP_STATE_SIZE - sizeof(compat_ulong_t);
@@ -1438,6 +1458,7 @@ static const struct user_regset aarch32_regsets[] = {
.n = VFP_STATE_SIZE / sizeof(compat_ulong_t),
.size = sizeof(compat_ulong_t),
.align = sizeof(compat_ulong_t),
+ .active = fpr_active,
.get = compat_vfp_get,
.set = compat_vfp_set
},
diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c
index 72fbbd86eb5e..e5816d885761 100644
--- a/arch/arm64/kvm/hyp/switch.c
+++ b/arch/arm64/kvm/hyp/switch.c
@@ -28,7 +28,15 @@
/* Check whether the FP regs were dirtied while in the host-side run loop: */
static bool __hyp_text update_fp_enabled(struct kvm_vcpu *vcpu)
{
- if (vcpu->arch.host_thread_info->flags & _TIF_FOREIGN_FPSTATE)
+ /*
+ * When the system doesn't support FP/SIMD, we cannot rely on
+ * the _TIF_FOREIGN_FPSTATE flag. However, we always inject an
+ * abort on the very first access to FP and thus we should never
+ * see KVM_ARM64_FP_ENABLED. For added safety, make sure we always
+ * trap the accesses.
+ */
+ if (!system_supports_fpsimd() ||
+ vcpu->arch.host_thread_info->flags & _TIF_FOREIGN_FPSTATE)
vcpu->arch.flags &= ~(KVM_ARM64_FP_ENABLED |
KVM_ARM64_FP_HOST);

diff --git a/arch/arm64/kvm/va_layout.c b/arch/arm64/kvm/va_layout.c
index dab1fea4752a..a4f48c1ac28c 100644
--- a/arch/arm64/kvm/va_layout.c
+++ b/arch/arm64/kvm/va_layout.c
@@ -13,52 +13,46 @@
#include <asm/kvm_mmu.h>

/*
- * The LSB of the random hyp VA tag or 0 if no randomization is used.
+ * The LSB of the HYP VA tag
*/
static u8 tag_lsb;
/*
- * The random hyp VA tag value with the region bit if hyp randomization is used
+ * The HYP VA tag value with the region bit
*/
static u64 tag_val;
static u64 va_mask;

+/*
+ * We want to generate a hyp VA with the following format (with V ==
+ * vabits_actual):
+ *
+ * 63 ... V | V-1 | V-2 .. tag_lsb | tag_lsb - 1 .. 0
+ * ---------------------------------------------------------
+ * | 0000000 | hyp_va_msb | random tag | kern linear VA |
+ * |--------- tag_val -----------|----- va_mask ---|
+ *
+ * which does not conflict with the idmap regions.
+ */
__init void kvm_compute_layout(void)
{
phys_addr_t idmap_addr = __pa_symbol(__hyp_idmap_text_start);
u64 hyp_va_msb;
- int kva_msb;

/* Where is my RAM region? */
hyp_va_msb = idmap_addr & BIT(vabits_actual - 1);
hyp_va_msb ^= BIT(vabits_actual - 1);

- kva_msb = fls64((u64)phys_to_virt(memblock_start_of_DRAM()) ^
+ tag_lsb = fls64((u64)phys_to_virt(memblock_start_of_DRAM()) ^
(u64)(high_memory - 1));

- if (kva_msb == (vabits_actual - 1)) {
- /*
- * No space in the address, let's compute the mask so
- * that it covers (vabits_actual - 1) bits, and the region
- * bit. The tag stays set to zero.
- */
- va_mask = BIT(vabits_actual - 1) - 1;
- va_mask |= hyp_va_msb;
- } else {
- /*
- * We do have some free bits to insert a random tag.
- * Hyp VAs are now created from kernel linear map VAs
- * using the following formula (with V == vabits_actual):
- *
- * 63 ... V | V-1 | V-2 .. tag_lsb | tag_lsb - 1 .. 0
- * ---------------------------------------------------------
- * | 0000000 | hyp_va_msb | random tag | kern linear VA |
- */
- tag_lsb = kva_msb;
- va_mask = GENMASK_ULL(tag_lsb - 1, 0);
- tag_val = get_random_long() & GENMASK_ULL(vabits_actual - 2, tag_lsb);
- tag_val |= hyp_va_msb;
- tag_val >>= tag_lsb;
+ va_mask = GENMASK_ULL(tag_lsb - 1, 0);
+ tag_val = hyp_va_msb;
+
+ if (tag_lsb != (vabits_actual - 1)) {
+ /* We have some free bits to insert a random tag. */
+ tag_val |= get_random_long() & GENMASK_ULL(vabits_actual - 2, tag_lsb);
}
+ tag_val >>= tag_lsb;
}

static u32 compute_instruction(int n, u32 rd, u32 rn)
@@ -117,11 +111,11 @@ void __init kvm_update_va_mask(struct alt_instr *alt,
* VHE doesn't need any address translation, let's NOP
* everything.
*
- * Alternatively, if we don't have any spare bits in
- * the address, NOP everything after masking that
- * kernel VA.
+ * Alternatively, if the tag is zero (because the layout
+ * dictates it and we don't have any spare bits in the
+ * address), NOP everything after masking the kernel VA.
*/
- if (has_vhe() || (!tag_lsb && i > 0)) {
+ if (has_vhe() || (!tag_val && i > 0)) {
updptr[i] = cpu_to_le32(aarch64_insn_gen_nop());
continue;
}
diff --git a/arch/mips/loongson64/platform.c b/arch/mips/loongson64/platform.c
index 13f3404f0030..9674ae1361a8 100644
--- a/arch/mips/loongson64/platform.c
+++ b/arch/mips/loongson64/platform.c
@@ -27,6 +27,9 @@ static int __init loongson3_platform_init(void)
continue;

pdev = kzalloc(sizeof(struct platform_device), GFP_KERNEL);
+ if (!pdev)
+ return -ENOMEM;
+
pdev->name = loongson_sysconf.sensors[i].name;
pdev->id = loongson_sysconf.sensors[i].id;
pdev->dev.platform_data = &loongson_sysconf.sensors[i];
diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug
index 4e1d39847462..0b063830eea8 100644
--- a/arch/powerpc/Kconfig.debug
+++ b/arch/powerpc/Kconfig.debug
@@ -371,7 +371,7 @@ config PPC_PTDUMP

config PPC_DEBUG_WX
bool "Warn on W+X mappings at boot"
- depends on PPC_PTDUMP
+ depends on PPC_PTDUMP && STRICT_KERNEL_RWX
help
Generate a warning if any W+X mappings are found at boot.

diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 73b84166d06a..5fb90edd865e 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -218,6 +218,7 @@ void mark_rodata_ro(void)

if (v_block_mapped((unsigned long)_sinittext)) {
mmu_mark_rodata_ro();
+ ptdump_check_wx();
return;
}

diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 6ba081dd61c9..b4ce9d472dfe 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -36,7 +36,6 @@
#include <asm/udbg.h>
#include <asm/mmzone.h>
#include <asm/plpar_wrappers.h>
-#include <asm/svm.h>

#include "pseries.h"

@@ -133,10 +132,10 @@ static unsigned long tce_get_pseries(struct iommu_table *tbl, long index)
return be64_to_cpu(*tcep);
}

-static void tce_free_pSeriesLP(struct iommu_table*, long, long);
+static void tce_free_pSeriesLP(unsigned long liobn, long, long);
static void tce_freemulti_pSeriesLP(struct iommu_table*, long, long);

-static int tce_build_pSeriesLP(struct iommu_table *tbl, long tcenum,
+static int tce_build_pSeriesLP(unsigned long liobn, long tcenum, long tceshift,
long npages, unsigned long uaddr,
enum dma_data_direction direction,
unsigned long attrs)
@@ -147,25 +146,25 @@ static int tce_build_pSeriesLP(struct iommu_table *tbl, long tcenum,
int ret = 0;
long tcenum_start = tcenum, npages_start = npages;

- rpn = __pa(uaddr) >> TCE_SHIFT;
+ rpn = __pa(uaddr) >> tceshift;
proto_tce = TCE_PCI_READ;
if (direction != DMA_TO_DEVICE)
proto_tce |= TCE_PCI_WRITE;

while (npages--) {
- tce = proto_tce | (rpn & TCE_RPN_MASK) << TCE_RPN_SHIFT;
- rc = plpar_tce_put((u64)tbl->it_index, (u64)tcenum << 12, tce);
+ tce = proto_tce | (rpn & TCE_RPN_MASK) << tceshift;
+ rc = plpar_tce_put((u64)liobn, (u64)tcenum << tceshift, tce);

if (unlikely(rc == H_NOT_ENOUGH_RESOURCES)) {
ret = (int)rc;
- tce_free_pSeriesLP(tbl, tcenum_start,
+ tce_free_pSeriesLP(liobn, tcenum_start,
(npages_start - (npages + 1)));
break;
}

if (rc && printk_ratelimit()) {
printk("tce_build_pSeriesLP: plpar_tce_put failed. rc=%lld\n", rc);
- printk("\tindex = 0x%llx\n", (u64)tbl->it_index);
+ printk("\tindex = 0x%llx\n", (u64)liobn);
printk("\ttcenum = 0x%llx\n", (u64)tcenum);
printk("\ttce val = 0x%llx\n", tce );
dump_stack();
@@ -194,7 +193,8 @@ static int tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
unsigned long flags;

if ((npages == 1) || !firmware_has_feature(FW_FEATURE_MULTITCE)) {
- return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr,
+ return tce_build_pSeriesLP(tbl->it_index, tcenum,
+ tbl->it_page_shift, npages, uaddr,
direction, attrs);
}

@@ -210,8 +210,9 @@ static int tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
/* If allocation fails, fall back to the loop implementation */
if (!tcep) {
local_irq_restore(flags);
- return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr,
- direction, attrs);
+ return tce_build_pSeriesLP(tbl->it_index, tcenum,
+ tbl->it_page_shift,
+ npages, uaddr, direction, attrs);
}
__this_cpu_write(tce_page, tcep);
}
@@ -262,16 +263,16 @@ static int tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
return ret;
}

-static void tce_free_pSeriesLP(struct iommu_table *tbl, long tcenum, long npages)
+static void tce_free_pSeriesLP(unsigned long liobn, long tcenum, long npages)
{
u64 rc;

while (npages--) {
- rc = plpar_tce_put((u64)tbl->it_index, (u64)tcenum << 12, 0);
+ rc = plpar_tce_put((u64)liobn, (u64)tcenum << 12, 0);

if (rc && printk_ratelimit()) {
printk("tce_free_pSeriesLP: plpar_tce_put failed. rc=%lld\n", rc);
- printk("\tindex = 0x%llx\n", (u64)tbl->it_index);
+ printk("\tindex = 0x%llx\n", (u64)liobn);
printk("\ttcenum = 0x%llx\n", (u64)tcenum);
dump_stack();
}
@@ -286,7 +287,7 @@ static void tce_freemulti_pSeriesLP(struct iommu_table *tbl, long tcenum, long n
u64 rc;

if (!firmware_has_feature(FW_FEATURE_MULTITCE))
- return tce_free_pSeriesLP(tbl, tcenum, npages);
+ return tce_free_pSeriesLP(tbl->it_index, tcenum, npages);

rc = plpar_tce_stuff((u64)tbl->it_index, (u64)tcenum << 12, 0, npages);

@@ -401,6 +402,19 @@ static int tce_setrange_multi_pSeriesLP(unsigned long start_pfn,
u64 rc = 0;
long l, limit;

+ if (!firmware_has_feature(FW_FEATURE_MULTITCE)) {
+ unsigned long tceshift = be32_to_cpu(maprange->tce_shift);
+ unsigned long dmastart = (start_pfn << PAGE_SHIFT) +
+ be64_to_cpu(maprange->dma_base);
+ unsigned long tcenum = dmastart >> tceshift;
+ unsigned long npages = num_pfn << PAGE_SHIFT >> tceshift;
+ void *uaddr = __va(start_pfn << PAGE_SHIFT);
+
+ return tce_build_pSeriesLP(be32_to_cpu(maprange->liobn),
+ tcenum, tceshift, npages, (unsigned long) uaddr,
+ DMA_BIDIRECTIONAL, 0);
+ }
+
local_irq_disable(); /* to protect tcep and the page behind it */
tcep = __this_cpu_read(tce_page);

@@ -1320,15 +1334,7 @@ void iommu_init_early_pSeries(void)
of_reconfig_notifier_register(&iommu_reconfig_nb);
register_memory_notifier(&iommu_mem_nb);

- /*
- * Secure guest memory is inacessible to devices so regular DMA isn't
- * possible.
- *
- * In that case keep devices' dma_map_ops as NULL so that the generic
- * DMA code path will use SWIOTLB to bounce buffers for DMA.
- */
- if (!is_secure_guest())
- set_pci_dma_ops(&dma_iommu_ops);
+ set_pci_dma_ops(&dma_iommu_ops);
}

static int __init disable_multitce(char *str)
diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c
index c2ef320ba1bf..eb420655ed0b 100644
--- a/arch/powerpc/platforms/pseries/papr_scm.c
+++ b/arch/powerpc/platforms/pseries/papr_scm.c
@@ -322,6 +322,7 @@ static int papr_scm_nvdimm_init(struct papr_scm_priv *p)
p->bus = nvdimm_bus_register(NULL, &p->bus_desc);
if (!p->bus) {
dev_err(dev, "Error creating nvdimm bus %pOF\n", p->dn);
+ kfree(p->bus_desc.provider_name);
return -ENXIO;
}

@@ -477,6 +478,7 @@ static int papr_scm_remove(struct platform_device *pdev)

nvdimm_bus_unregister(p->bus);
drc_pmem_unbind(p);
+ kfree(p->bus_desc.provider_name);
kfree(p);

return 0;
diff --git a/arch/powerpc/platforms/pseries/vio.c b/arch/powerpc/platforms/pseries/vio.c
index 79e2287991db..f682b7babc09 100644
--- a/arch/powerpc/platforms/pseries/vio.c
+++ b/arch/powerpc/platforms/pseries/vio.c
@@ -1176,6 +1176,8 @@ static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev)
if (tbl == NULL)
return NULL;

+ kref_init(&tbl->it_kref);
+
of_parse_dma_window(dev->dev.of_node, dma_window,
&tbl->it_index, &offset, &size);

diff --git a/arch/x86/boot/compressed/acpi.c b/arch/x86/boot/compressed/acpi.c
index 25019d42ae93..ef2ad7253cd5 100644
--- a/arch/x86/boot/compressed/acpi.c
+++ b/arch/x86/boot/compressed/acpi.c
@@ -393,7 +393,13 @@ int count_immovable_mem_regions(void)
table = table_addr + sizeof(struct acpi_table_srat);

while (table + sizeof(struct acpi_subtable_header) < table_end) {
+
sub_table = (struct acpi_subtable_header *)table;
+ if (!sub_table->length) {
+ debug_putstr("Invalid zero length SRAT subtable.\n");
+ return 0;
+ }
+
if (sub_table->type == ACPI_SRAT_TYPE_MEMORY_AFFINITY) {
struct acpi_srat_mem_affinity *ma;

diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 9ec463fe96f2..2f1e2333bd0a 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -23,6 +23,7 @@
#include <asm/nmi.h>
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
+#include <asm/insn.h>
#include <asm/io.h>
#include <asm/fixmap.h>

diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index 82513b6b0abd..2c96963b2e51 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -2102,6 +2102,7 @@ static void generate_random_aead_testvec(struct aead_request *req,
* If the key or authentication tag size couldn't be set, no need to
* continue to encrypt.
*/
+ vec->crypt_error = 0;
if (vec->setkey_error || vec->setauthsize_error)
goto done;

@@ -2245,10 +2246,12 @@ static int test_aead_vs_generic_impl(const char *driver,
req, tsgls);
if (err)
goto out;
- err = test_aead_vec_cfg(driver, DECRYPT, &vec, vec_name, cfg,
- req, tsgls);
- if (err)
- goto out;
+ if (vec.crypt_error == 0) {
+ err = test_aead_vec_cfg(driver, DECRYPT, &vec, vec_name,
+ cfg, req, tsgls);
+ if (err)
+ goto out;
+ }
cond_resched();
}
err = 0;
@@ -2678,6 +2681,15 @@ static void generate_random_cipher_testvec(struct skcipher_request *req,
skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
+ if (vec->crypt_error != 0) {
+ /*
+ * The only acceptable error here is for an invalid length, so
+ * skcipher decryption should fail with the same error too.
+ * We'll test for this. But to keep the API usage well-defined,
+ * explicitly initialize the ciphertext buffer too.
+ */
+ memset((u8 *)vec->ctext, 0, vec->len);
+ }
done:
snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
vec->len, vec->klen);
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 19f57ccfbe1d..59f911e57719 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1488,11 +1488,18 @@ static int _regmap_raw_write_impl(struct regmap *map, unsigned int reg,

WARN_ON(!map->bus);

- /* Check for unwritable registers before we start */
- for (i = 0; i < val_len / map->format.val_bytes; i++)
- if (!regmap_writeable(map,
- reg + regmap_get_offset(map, i)))
- return -EINVAL;
+ /* Check for unwritable or noinc registers in range
+ * before we start
+ */
+ if (!regmap_writeable_noinc(map, reg)) {
+ for (i = 0; i < val_len / map->format.val_bytes; i++) {
+ unsigned int element =
+ reg + regmap_get_offset(map, i);
+ if (!regmap_writeable(map, element) ||
+ regmap_writeable_noinc(map, element))
+ return -EINVAL;
+ }
+ }

if (!map->cache_bypass && map->format.parse_val) {
unsigned int ival;
diff --git a/drivers/clk/meson/g12a.c b/drivers/clk/meson/g12a.c
index b3af61cc6fb9..d2760a021301 100644
--- a/drivers/clk/meson/g12a.c
+++ b/drivers/clk/meson/g12a.c
@@ -4692,6 +4692,7 @@ static struct clk_regmap *const g12a_clk_regmaps[] = {
&g12a_bt656,
&g12a_usb1_to_ddr,
&g12a_mmc_pclk,
+ &g12a_uart2,
&g12a_vpu_intr,
&g12a_gic,
&g12a_sd_emmc_a_clk0,
diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index 8ea0e4bcde0d..7394671f815b 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -1918,12 +1918,7 @@ static int atmel_sha_hmac_setkey(struct crypto_ahash *tfm, const u8 *key,
{
struct atmel_sha_hmac_ctx *hmac = crypto_ahash_ctx(tfm);

- if (atmel_sha_hmac_key_set(&hmac->hkey, key, keylen)) {
- crypto_ahash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
- return -EINVAL;
- }
-
- return 0;
+ return atmel_sha_hmac_key_set(&hmac->hkey, key, keylen);
}

static int atmel_sha_hmac_init(struct ahash_request *req)
diff --git a/drivers/crypto/axis/artpec6_crypto.c b/drivers/crypto/axis/artpec6_crypto.c
index 4b20606983a4..22ebe40f09f5 100644
--- a/drivers/crypto/axis/artpec6_crypto.c
+++ b/drivers/crypto/axis/artpec6_crypto.c
@@ -1251,7 +1251,7 @@ static int artpec6_crypto_aead_set_key(struct crypto_aead *tfm, const u8 *key,

if (len != 16 && len != 24 && len != 32) {
crypto_aead_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
- return -1;
+ return -EINVAL;
}

ctx->key_length = len;
diff --git a/drivers/crypto/caam/caamalg_qi2.c b/drivers/crypto/caam/caamalg_qi2.c
index 3443f6d6dd83..6863d7097674 100644
--- a/drivers/crypto/caam/caamalg_qi2.c
+++ b/drivers/crypto/caam/caamalg_qi2.c
@@ -2481,7 +2481,7 @@ static struct caam_aead_alg driver_aeads[] = {
.cra_name = "echainiv(authenc(hmac(sha256),"
"cbc(des)))",
.cra_driver_name = "echainiv-authenc-"
- "hmac-sha256-cbc-desi-"
+ "hmac-sha256-cbc-des-"
"caam-qi2",
.cra_blocksize = DES_BLOCK_SIZE,
},
diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c
index a0ee404b736e..f1d149e32839 100644
--- a/drivers/dma/dma-axi-dmac.c
+++ b/drivers/dma/dma-axi-dmac.c
@@ -830,6 +830,7 @@ static int axi_dmac_probe(struct platform_device *pdev)
struct dma_device *dma_dev;
struct axi_dmac *dmac;
struct resource *res;
+ struct regmap *regmap;
int ret;

dmac = devm_kzalloc(&pdev->dev, sizeof(*dmac), GFP_KERNEL);
@@ -921,10 +922,17 @@ static int axi_dmac_probe(struct platform_device *pdev)

platform_set_drvdata(pdev, dmac);

- devm_regmap_init_mmio(&pdev->dev, dmac->base, &axi_dmac_regmap_config);
+ regmap = devm_regmap_init_mmio(&pdev->dev, dmac->base,
+ &axi_dmac_regmap_config);
+ if (IS_ERR(regmap)) {
+ ret = PTR_ERR(regmap);
+ goto err_free_irq;
+ }

return 0;

+err_free_irq:
+ free_irq(dmac->irq, dmac);
err_unregister_of:
of_dma_controller_free(pdev->dev.of_node);
err_unregister_device:
diff --git a/drivers/i2c/busses/i2c-cros-ec-tunnel.c b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
index 958161c71985..790ea3fda693 100644
--- a/drivers/i2c/busses/i2c-cros-ec-tunnel.c
+++ b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
@@ -273,6 +273,7 @@ static int ec_i2c_probe(struct platform_device *pdev)
bus->adap.dev.parent = &pdev->dev;
bus->adap.dev.of_node = pdev->dev.of_node;
bus->adap.retries = I2C_MAX_RETRIES;
+ ACPI_COMPANION_SET(&bus->adap.dev, ACPI_COMPANION(&pdev->dev));

err = i2c_add_adapter(&bus->adap);
if (err)
@@ -298,7 +299,7 @@ static const struct of_device_id cros_ec_i2c_of_match[] = {
MODULE_DEVICE_TABLE(of, cros_ec_i2c_of_match);

static const struct acpi_device_id cros_ec_i2c_tunnel_acpi_id[] = {
- { "GOOG001A", 0 },
+ { "GOOG0012", 0 },
{ }
};
MODULE_DEVICE_TABLE(acpi, cros_ec_i2c_tunnel_acpi_id);
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index 606fa6d86685..1753a9801b70 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -139,7 +139,7 @@ int ib_nl_handle_ip_res_resp(struct sk_buff *skb,
if (ib_nl_is_good_ip_resp(nlh))
ib_nl_process_good_ip_rsep(nlh);

- return skb->len;
+ return 0;
}

static int ib_nl_ip_send_msg(struct rdma_dev_addr *dev_addr,
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 43a6f07e0afe..af1afc17b8bd 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -3118,6 +3118,7 @@ static int cma_resolve_loopback(struct rdma_id_private *id_priv)
rdma_addr_get_sgid(&id_priv->id.route.addr.dev_addr, &gid);
rdma_addr_set_dgid(&id_priv->id.route.addr.dev_addr, &gid);

+ atomic_inc(&id_priv->refcount);
cma_init_resolve_addr_work(work, id_priv);
queue_work(cma_wq, &work->work);
return 0;
@@ -3144,6 +3145,7 @@ static int cma_resolve_ib_addr(struct rdma_id_private *id_priv)
rdma_addr_set_dgid(&id_priv->id.route.addr.dev_addr, (union ib_gid *)
&(((struct sockaddr_ib *) &id_priv->id.route.addr.dst_addr)->sib_addr));

+ atomic_inc(&id_priv->refcount);
cma_init_resolve_addr_work(work, id_priv);
queue_work(cma_wq, &work->work);
return 0;
diff --git a/drivers/infiniband/core/ib_core_uverbs.c b/drivers/infiniband/core/ib_core_uverbs.c
index b7cb59844ece..b51bd7087a88 100644
--- a/drivers/infiniband/core/ib_core_uverbs.c
+++ b/drivers/infiniband/core/ib_core_uverbs.c
@@ -232,7 +232,9 @@ void rdma_user_mmap_entry_remove(struct rdma_user_mmap_entry *entry)
if (!entry)
return;

+ xa_lock(&entry->ucontext->mmap_xa);
entry->driver_removed = true;
+ xa_unlock(&entry->ucontext->mmap_xa);
kref_put(&entry->ref, rdma_user_mmap_entry_free);
}
EXPORT_SYMBOL(rdma_user_mmap_entry_remove);
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 8917125ea16d..30d4c126a2db 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -1068,7 +1068,7 @@ int ib_nl_handle_set_timeout(struct sk_buff *skb,
}

settimeout_out:
- return skb->len;
+ return 0;
}

static inline int ib_nl_is_good_resolve_resp(const struct nlmsghdr *nlh)
@@ -1139,7 +1139,7 @@ int ib_nl_handle_resolve_resp(struct sk_buff *skb,
}

resp_out:
- return skb->len;
+ return 0;
}

static void free_sm_ah(struct kref *kref)
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index 7a3b99597ead..40cadb889114 100644
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -166,10 +166,13 @@ unsigned long ib_umem_find_best_pgsz(struct ib_umem *umem,
* for any address.
*/
mask |= (sg_dma_address(sg) + pgoff) ^ va;
- if (i && i != (umem->nmap - 1))
- /* restrict by length as well for interior SGEs */
- mask |= sg_dma_len(sg);
va += sg_dma_len(sg) - pgoff;
+ /* Except for the last entry, the ending iova alignment sets
+ * the maximum possible page size as the low bits of the iova
+ * must be zero when starting the next chunk.
+ */
+ if (i != (umem->nmap - 1))
+ mask |= va;
pgoff = 0;
}
best_pg_bit = rdma_find_pg_bit(mask, pgsz_bitmap);
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 970d8e31dd65..8f5de4dcad97 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -220,7 +220,6 @@ void ib_uverbs_release_file(struct kref *ref)
}

static ssize_t ib_uverbs_event_read(struct ib_uverbs_event_queue *ev_queue,
- struct ib_uverbs_file *uverbs_file,
struct file *filp, char __user *buf,
size_t count, loff_t *pos,
size_t eventsz)
@@ -238,19 +237,16 @@ static ssize_t ib_uverbs_event_read(struct ib_uverbs_event_queue *ev_queue,

if (wait_event_interruptible(ev_queue->poll_wait,
(!list_empty(&ev_queue->event_list) ||
- /* The barriers built into wait_event_interruptible()
- * and wake_up() guarentee this will see the null set
- * without using RCU
- */
- !uverbs_file->device->ib_dev)))
+ ev_queue->is_closed)))
return -ERESTARTSYS;

+ spin_lock_irq(&ev_queue->lock);
+
/* If device was disassociated and no event exists set an error */
- if (list_empty(&ev_queue->event_list) &&
- !uverbs_file->device->ib_dev)
+ if (list_empty(&ev_queue->event_list) && ev_queue->is_closed) {
+ spin_unlock_irq(&ev_queue->lock);
return -EIO;
-
- spin_lock_irq(&ev_queue->lock);
+ }
}

event = list_entry(ev_queue->event_list.next, struct ib_uverbs_event, list);
@@ -285,8 +281,7 @@ static ssize_t ib_uverbs_async_event_read(struct file *filp, char __user *buf,
{
struct ib_uverbs_async_event_file *file = filp->private_data;

- return ib_uverbs_event_read(&file->ev_queue, file->uverbs_file, filp,
- buf, count, pos,
+ return ib_uverbs_event_read(&file->ev_queue, filp, buf, count, pos,
sizeof(struct ib_uverbs_async_event_desc));
}

@@ -296,9 +291,8 @@ static ssize_t ib_uverbs_comp_event_read(struct file *filp, char __user *buf,
struct ib_uverbs_completion_event_file *comp_ev_file =
filp->private_data;

- return ib_uverbs_event_read(&comp_ev_file->ev_queue,
- comp_ev_file->uobj.ufile, filp,
- buf, count, pos,
+ return ib_uverbs_event_read(&comp_ev_file->ev_queue, filp, buf, count,
+ pos,
sizeof(struct ib_uverbs_comp_event_desc));
}

@@ -321,7 +315,9 @@ static __poll_t ib_uverbs_event_poll(struct ib_uverbs_event_queue *ev_queue,
static __poll_t ib_uverbs_async_event_poll(struct file *filp,
struct poll_table_struct *wait)
{
- return ib_uverbs_event_poll(filp->private_data, filp, wait);
+ struct ib_uverbs_async_event_file *file = filp->private_data;
+
+ return ib_uverbs_event_poll(&file->ev_queue, filp, wait);
}

static __poll_t ib_uverbs_comp_event_poll(struct file *filp,
@@ -335,9 +331,9 @@ static __poll_t ib_uverbs_comp_event_poll(struct file *filp,

static int ib_uverbs_async_event_fasync(int fd, struct file *filp, int on)
{
- struct ib_uverbs_event_queue *ev_queue = filp->private_data;
+ struct ib_uverbs_async_event_file *file = filp->private_data;

- return fasync_helper(fd, filp, on, &ev_queue->async_queue);
+ return fasync_helper(fd, filp, on, &file->ev_queue.async_queue);
}

static int ib_uverbs_comp_event_fasync(int fd, struct file *filp, int on)
diff --git a/drivers/infiniband/hw/i40iw/i40iw_main.c b/drivers/infiniband/hw/i40iw/i40iw_main.c
index d44cf33df81a..238614370927 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_main.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_main.c
@@ -1225,6 +1225,8 @@ static void i40iw_add_ipv4_addr(struct i40iw_device *iwdev)
const struct in_ifaddr *ifa;

idev = in_dev_get(dev);
+ if (!idev)
+ continue;
in_dev_for_each_ifa_rtnl(ifa, idev) {
i40iw_debug(&iwdev->sc_dev, I40IW_DEBUG_CM,
"IP=%pI4, vlan_id=%d, MAC=%pM\n", &ifa->ifa_address,
diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c
index ecd6cadd529a..b591861934b3 100644
--- a/drivers/infiniband/hw/mlx4/cm.c
+++ b/drivers/infiniband/hw/mlx4/cm.c
@@ -186,23 +186,6 @@ static void id_map_ent_timeout(struct work_struct *work)
kfree(ent);
}

-static void id_map_find_del(struct ib_device *ibdev, int pv_cm_id)
-{
- struct mlx4_ib_sriov *sriov = &to_mdev(ibdev)->sriov;
- struct rb_root *sl_id_map = &sriov->sl_id_map;
- struct id_map_entry *ent, *found_ent;
-
- spin_lock(&sriov->id_map_lock);
- ent = xa_erase(&sriov->pv_id_table, pv_cm_id);
- if (!ent)
- goto out;
- found_ent = id_map_find_by_sl_id(ibdev, ent->slave_id, ent->sl_cm_id);
- if (found_ent && found_ent == ent)
- rb_erase(&found_ent->node, sl_id_map);
-out:
- spin_unlock(&sriov->id_map_lock);
-}
-
static void sl_id_map_add(struct ib_device *ibdev, struct id_map_entry *new)
{
struct rb_root *sl_id_map = &to_mdev(ibdev)->sriov.sl_id_map;
@@ -294,7 +277,7 @@ static void schedule_delayed(struct ib_device *ibdev, struct id_map_entry *id)
spin_lock(&sriov->id_map_lock);
spin_lock_irqsave(&sriov->going_down_lock, flags);
/*make sure that there is no schedule inside the scheduled work.*/
- if (!sriov->is_going_down) {
+ if (!sriov->is_going_down && !id->scheduled_delete) {
id->scheduled_delete = 1;
schedule_delayed_work(&id->timeout, CM_CLEANUP_CACHE_TIMEOUT);
}
@@ -341,9 +324,6 @@ int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id

if (mad->mad_hdr.attr_id == CM_DREQ_ATTR_ID)
schedule_delayed(ibdev, id);
- else if (mad->mad_hdr.attr_id == CM_DREP_ATTR_ID)
- id_map_find_del(ibdev, pv_cm_id);
-
return 0;
}

@@ -382,12 +362,9 @@ int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
*slave = id->slave_id;
set_remote_comm_id(mad, id->sl_cm_id);

- if (mad->mad_hdr.attr_id == CM_DREQ_ATTR_ID)
+ if (mad->mad_hdr.attr_id == CM_DREQ_ATTR_ID ||
+ mad->mad_hdr.attr_id == CM_REJ_ATTR_ID)
schedule_delayed(ibdev, id);
- else if (mad->mad_hdr.attr_id == CM_REJ_ATTR_ID ||
- mad->mad_hdr.attr_id == CM_DREP_ATTR_ID) {
- id_map_find_del(ibdev, (int) pv_cm_id);
- }

return 0;
}
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 34055cbab38c..2f5d9b181848 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -246,6 +246,13 @@ static int mlx4_ib_update_gids(struct gid_entry *gids,
return mlx4_ib_update_gids_v1(gids, ibdev, port_num);
}

+static void free_gid_entry(struct gid_entry *entry)
+{
+ memset(&entry->gid, 0, sizeof(entry->gid));
+ kfree(entry->ctx);
+ entry->ctx = NULL;
+}
+
static int mlx4_ib_add_gid(const struct ib_gid_attr *attr, void **context)
{
struct mlx4_ib_dev *ibdev = to_mdev(attr->device);
@@ -313,6 +320,8 @@ static int mlx4_ib_add_gid(const struct ib_gid_attr *attr, void **context)
GFP_ATOMIC);
if (!gids) {
ret = -ENOMEM;
+ *context = NULL;
+ free_gid_entry(&port_gid_table->gids[free]);
} else {
for (i = 0; i < MLX4_MAX_PORT_GIDS; i++) {
memcpy(&gids[i].gid, &port_gid_table->gids[i].gid, sizeof(union ib_gid));
@@ -324,6 +333,12 @@ static int mlx4_ib_add_gid(const struct ib_gid_attr *attr, void **context)

if (!ret && hw_update) {
ret = mlx4_ib_update_gids(gids, ibdev, attr->port_num);
+ if (ret) {
+ spin_lock_bh(&iboe->lock);
+ *context = NULL;
+ free_gid_entry(&port_gid_table->gids[free]);
+ spin_unlock_bh(&iboe->lock);
+ }
kfree(gids);
}

@@ -353,10 +368,7 @@ static int mlx4_ib_del_gid(const struct ib_gid_attr *attr, void **context)
if (!ctx->refcount) {
unsigned int real_index = ctx->real_index;

- memset(&port_gid_table->gids[real_index].gid, 0,
- sizeof(port_gid_table->gids[real_index].gid));
- kfree(port_gid_table->gids[real_index].ctx);
- port_gid_table->gids[real_index].ctx = NULL;
+ free_gid_entry(&port_gid_table->gids[real_index]);
hw_update = 1;
}
}
diff --git a/drivers/infiniband/hw/mlx5/ib_virt.c b/drivers/infiniband/hw/mlx5/ib_virt.c
index 4f0edd4832bd..b61165359954 100644
--- a/drivers/infiniband/hw/mlx5/ib_virt.c
+++ b/drivers/infiniband/hw/mlx5/ib_virt.c
@@ -164,8 +164,10 @@ static int set_vf_node_guid(struct ib_device *device, int vf, u8 port, u64 guid)
in->field_select = MLX5_HCA_VPORT_SEL_NODE_GUID;
in->node_guid = guid;
err = mlx5_core_modify_hca_vport_context(mdev, 1, 1, vf + 1, in);
- if (!err)
+ if (!err) {
vfs_ctx[vf].node_guid = guid;
+ vfs_ctx[vf].node_guid_valid = 1;
+ }
kfree(in);
return err;
}
@@ -185,8 +187,10 @@ static int set_vf_port_guid(struct ib_device *device, int vf, u8 port, u64 guid)
in->field_select = MLX5_HCA_VPORT_SEL_PORT_GUID;
in->port_guid = guid;
err = mlx5_core_modify_hca_vport_context(mdev, 1, 1, vf + 1, in);
- if (!err)
+ if (!err) {
vfs_ctx[vf].port_guid = guid;
+ vfs_ctx[vf].port_guid_valid = 1;
+ }
kfree(in);
return err;
}
@@ -208,20 +212,12 @@ int mlx5_ib_get_vf_guid(struct ib_device *device, int vf, u8 port,
{
struct mlx5_ib_dev *dev = to_mdev(device);
struct mlx5_core_dev *mdev = dev->mdev;
- struct mlx5_hca_vport_context *rep;
- int err;
-
- rep = kzalloc(sizeof(*rep), GFP_KERNEL);
- if (!rep)
- return -ENOMEM;
+ struct mlx5_vf_context *vfs_ctx = mdev->priv.sriov.vfs_ctx;

- err = mlx5_query_hca_vport_context(mdev, 1, 1, vf+1, rep);
- if (err)
- goto ex;
+ node_guid->guid =
+ vfs_ctx[vf].node_guid_valid ? vfs_ctx[vf].node_guid : 0;
+ port_guid->guid =
+ vfs_ctx[vf].port_guid_valid ? vfs_ctx[vf].port_guid : 0;

- port_guid->guid = rep->port_guid;
- node_guid->guid = rep->node_guid;
-ex:
- kfree(rep);
- return err;
+ return 0;
}
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index ea8bfc3e2d8d..23c4529edf54 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -1247,6 +1247,8 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,

if (IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING) && !start &&
length == U64_MAX) {
+ if (virt_addr != start)
+ return ERR_PTR(-EINVAL);
if (!(access_flags & IB_ACCESS_ON_DEMAND) ||
!(dev->odp_caps.general_caps & IB_ODP_SUPPORT_IMPLICIT))
return ERR_PTR(-EINVAL);
diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index f924250f80c2..8247c26a1ce9 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -624,11 +624,10 @@ static int pagefault_real_mr(struct mlx5_ib_mr *mr, struct ib_umem_odp *odp,
bool downgrade = flags & MLX5_PF_FLAGS_DOWNGRADE;
unsigned long current_seq;
u64 access_mask;
- u64 start_idx, page_mask;
+ u64 start_idx;

page_shift = odp->page_shift;
- page_mask = ~(BIT(page_shift) - 1);
- start_idx = (user_va - (mr->mmkey.iova & page_mask)) >> page_shift;
+ start_idx = (user_va - ib_umem_start(odp)) >> page_shift;
access_mask = ODP_READ_ALLOWED_BIT;

if (odp->umem.writable && !downgrade)
@@ -767,11 +766,19 @@ static int pagefault_mr(struct mlx5_ib_mr *mr, u64 io_virt, size_t bcnt,
{
struct ib_umem_odp *odp = to_ib_umem_odp(mr->umem);

+ if (unlikely(io_virt < mr->mmkey.iova))
+ return -EFAULT;
+
if (!odp->is_implicit_odp) {
- if (unlikely(io_virt < ib_umem_start(odp) ||
- ib_umem_end(odp) - io_virt < bcnt))
+ u64 user_va;
+
+ if (check_add_overflow(io_virt - mr->mmkey.iova,
+ (u64)odp->umem.address, &user_va))
+ return -EFAULT;
+ if (unlikely(user_va >= ib_umem_end(odp) ||
+ ib_umem_end(odp) - user_va < bcnt))
return -EFAULT;
- return pagefault_real_mr(mr, odp, io_virt, bcnt, bytes_mapped,
+ return pagefault_real_mr(mr, odp, user_va, bcnt, bytes_mapped,
flags);
}
return pagefault_implicit_mr(mr, odp, io_virt, bcnt, bytes_mapped,
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index b7f7a5f7bd98..cd1181c39ed2 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -2546,7 +2546,8 @@ static void srp_cm_rep_handler(struct ib_cm_id *cm_id,
if (lrsp->opcode == SRP_LOGIN_RSP) {
ch->max_ti_iu_len = be32_to_cpu(lrsp->max_ti_iu_len);
ch->req_lim = be32_to_cpu(lrsp->req_lim_delta);
- ch->use_imm_data = lrsp->rsp_flags & SRP_LOGIN_RSP_IMMED_SUPP;
+ ch->use_imm_data = srp_use_imm_data &&
+ (lrsp->rsp_flags & SRP_LOGIN_RSP_IMMED_SUPP);
ch->max_it_iu_len = srp_max_it_iu_len(target->cmd_sg_cnt,
ch->use_imm_data,
target->max_it_iu_size);
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index effe72eb89e7..2f7680faba49 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -856,6 +856,7 @@ static int arm_smmu_cmdq_build_cmd(u64 *cmd, struct arm_smmu_cmdq_ent *ent)
cmd[1] |= FIELD_PREP(CMDQ_CFGI_1_RANGE, 31);
break;
case CMDQ_OP_TLBI_NH_VA:
+ cmd[0] |= FIELD_PREP(CMDQ_TLBI_0_VMID, ent->tlbi.vmid);
cmd[0] |= FIELD_PREP(CMDQ_TLBI_0_ASID, ent->tlbi.asid);
cmd[1] |= FIELD_PREP(CMDQ_TLBI_1_LEAF, ent->tlbi.leaf);
cmd[1] |= ent->tlbi.addr & CMDQ_TLBI_1_VA_MASK;
diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
index be2a2a201603..33ddc5269e8d 100644
--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -417,10 +417,14 @@ int bch_journal_replay(struct cache_set *s, struct list_head *list)

/* Journalling */

+#define nr_to_fifo_front(p, front_p, mask) (((p) - (front_p)) & (mask))
+
static void btree_flush_write(struct cache_set *c)
{
struct btree *b, *t, *btree_nodes[BTREE_FLUSH_NR];
- unsigned int i, n;
+ unsigned int i, nr, ref_nr;
+ atomic_t *fifo_front_p, *now_fifo_front_p;
+ size_t mask;

if (c->journal.btree_flushing)
return;
@@ -433,12 +437,50 @@ static void btree_flush_write(struct cache_set *c)
c->journal.btree_flushing = true;
spin_unlock(&c->journal.flush_write_lock);

+ /* get the oldest journal entry and check its refcount */
+ spin_lock(&c->journal.lock);
+ fifo_front_p = &fifo_front(&c->journal.pin);
+ ref_nr = atomic_read(fifo_front_p);
+ if (ref_nr <= 0) {
+ /*
+ * do nothing if no btree node references
+ * the oldest journal entry
+ */
+ spin_unlock(&c->journal.lock);
+ goto out;
+ }
+ spin_unlock(&c->journal.lock);
+
+ mask = c->journal.pin.mask;
+ nr = 0;
atomic_long_inc(&c->flush_write);
memset(btree_nodes, 0, sizeof(btree_nodes));
- n = 0;

mutex_lock(&c->bucket_lock);
list_for_each_entry_safe_reverse(b, t, &c->btree_cache, list) {
+ /*
+ * It is safe to get now_fifo_front_p without holding
+ * c->journal.lock here, because we don't need to know
+ * the exactly accurate value, just check whether the
+ * front pointer of c->journal.pin is changed.
+ */
+ now_fifo_front_p = &fifo_front(&c->journal.pin);
+ /*
+ * If the oldest journal entry is reclaimed and front
+ * pointer of c->journal.pin changes, it is unnecessary
+ * to scan c->btree_cache anymore, just quit the loop and
+ * flush out what we have already.
+ */
+ if (now_fifo_front_p != fifo_front_p)
+ break;
+ /*
+ * quit this loop if all matching btree nodes are
+ * scanned and record in btree_nodes[] already.
+ */
+ ref_nr = atomic_read(fifo_front_p);
+ if (nr >= ref_nr)
+ break;
+
if (btree_node_journal_flush(b))
pr_err("BUG: flush_write bit should not be set here!");

@@ -454,17 +496,44 @@ static void btree_flush_write(struct cache_set *c)
continue;
}

+ /*
+ * Only select the btree node which exactly references
+ * the oldest journal entry.
+ *
+ * If the journal entry pointed by fifo_front_p is
+ * reclaimed in parallel, don't worry:
+ * - the list_for_each_xxx loop will quit when checking
+ * next now_fifo_front_p.
+ * - If there are matched nodes recorded in btree_nodes[],
+ * they are clean now (this is why and how the oldest
+ * journal entry can be reclaimed). These selected nodes
+ * will be ignored and skipped in the folowing for-loop.
+ */
+ if (nr_to_fifo_front(btree_current_write(b)->journal,
+ fifo_front_p,
+ mask) != 0) {
+ mutex_unlock(&b->write_lock);
+ continue;
+ }
+
set_btree_node_journal_flush(b);

mutex_unlock(&b->write_lock);

- btree_nodes[n++] = b;
- if (n == BTREE_FLUSH_NR)
+ btree_nodes[nr++] = b;
+ /*
+ * To avoid holding c->bucket_lock too long time,
+ * only scan for BTREE_FLUSH_NR matched btree nodes
+ * at most. If there are more btree nodes reference
+ * the oldest journal entry, try to flush them next
+ * time when btree_flush_write() is called.
+ */
+ if (nr == BTREE_FLUSH_NR)
break;
}
mutex_unlock(&c->bucket_lock);

- for (i = 0; i < n; i++) {
+ for (i = 0; i < nr; i++) {
b = btree_nodes[i];
if (!b) {
pr_err("BUG: btree_nodes[%d] is NULL", i);
@@ -497,6 +566,7 @@ static void btree_flush_write(struct cache_set *c)
mutex_unlock(&b->write_lock);
}

+out:
spin_lock(&c->journal.flush_write_lock);
c->journal.btree_flushing = false;
spin_unlock(&c->journal.flush_write_lock);
diff --git a/drivers/media/i2c/adv748x/adv748x.h b/drivers/media/i2c/adv748x/adv748x.h
index 5042f9e94aee..fccb388ce179 100644
--- a/drivers/media/i2c/adv748x/adv748x.h
+++ b/drivers/media/i2c/adv748x/adv748x.h
@@ -394,10 +394,10 @@ int adv748x_write_block(struct adv748x_state *state, int client_page,

#define io_read(s, r) adv748x_read(s, ADV748X_PAGE_IO, r)
#define io_write(s, r, v) adv748x_write(s, ADV748X_PAGE_IO, r, v)
-#define io_clrset(s, r, m, v) io_write(s, r, (io_read(s, r) & ~m) | v)
+#define io_clrset(s, r, m, v) io_write(s, r, (io_read(s, r) & ~(m)) | (v))

#define hdmi_read(s, r) adv748x_read(s, ADV748X_PAGE_HDMI, r)
-#define hdmi_read16(s, r, m) (((hdmi_read(s, r) << 8) | hdmi_read(s, r+1)) & m)
+#define hdmi_read16(s, r, m) (((hdmi_read(s, r) << 8) | hdmi_read(s, (r)+1)) & (m))
#define hdmi_write(s, r, v) adv748x_write(s, ADV748X_PAGE_HDMI, r, v)

#define repeater_read(s, r) adv748x_read(s, ADV748X_PAGE_REPEATER, r)
@@ -405,11 +405,11 @@ int adv748x_write_block(struct adv748x_state *state, int client_page,

#define sdp_read(s, r) adv748x_read(s, ADV748X_PAGE_SDP, r)
#define sdp_write(s, r, v) adv748x_write(s, ADV748X_PAGE_SDP, r, v)
-#define sdp_clrset(s, r, m, v) sdp_write(s, r, (sdp_read(s, r) & ~m) | v)
+#define sdp_clrset(s, r, m, v) sdp_write(s, r, (sdp_read(s, r) & ~(m)) | (v))

#define cp_read(s, r) adv748x_read(s, ADV748X_PAGE_CP, r)
#define cp_write(s, r, v) adv748x_write(s, ADV748X_PAGE_CP, r, v)
-#define cp_clrset(s, r, m, v) cp_write(s, r, (cp_read(s, r) & ~m) | v)
+#define cp_clrset(s, r, m, v) cp_write(s, r, (cp_read(s, r) & ~(m)) | (v))

#define tx_read(t, r) adv748x_read(t->state, t->page, r)
#define tx_write(t, r, v) adv748x_write(t->state, t->page, r, v)
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 420900852166..c366503c466d 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -758,6 +758,7 @@ config MFD_MAX77650
depends on OF || COMPILE_TEST
select MFD_CORE
select REGMAP_I2C
+ select REGMAP_IRQ
help
Say Y here to add support for Maxim Semiconductor MAX77650 and
MAX77651 Power Management ICs. This is the core multifunction
diff --git a/drivers/mtd/nand/onenand/onenand_base.c b/drivers/mtd/nand/onenand/onenand_base.c
index 85640ee11c86..d5326d19b136 100644
--- a/drivers/mtd/nand/onenand/onenand_base.c
+++ b/drivers/mtd/nand/onenand/onenand_base.c
@@ -1248,44 +1248,44 @@ static int onenand_read_ops_nolock(struct mtd_info *mtd, loff_t from,

stats = mtd->ecc_stats;

- /* Read-while-load method */
+ /* Read-while-load method */

- /* Do first load to bufferRAM */
- if (read < len) {
- if (!onenand_check_bufferram(mtd, from)) {
+ /* Do first load to bufferRAM */
+ if (read < len) {
+ if (!onenand_check_bufferram(mtd, from)) {
this->command(mtd, ONENAND_CMD_READ, from, writesize);
- ret = this->wait(mtd, FL_READING);
- onenand_update_bufferram(mtd, from, !ret);
+ ret = this->wait(mtd, FL_READING);
+ onenand_update_bufferram(mtd, from, !ret);
if (mtd_is_eccerr(ret))
ret = 0;
- }
- }
+ }
+ }

thislen = min_t(int, writesize, len - read);
column = from & (writesize - 1);
if (column + thislen > writesize)
thislen = writesize - column;

- while (!ret) {
- /* If there is more to load then start next load */
- from += thislen;
- if (read + thislen < len) {
+ while (!ret) {
+ /* If there is more to load then start next load */
+ from += thislen;
+ if (read + thislen < len) {
this->command(mtd, ONENAND_CMD_READ, from, writesize);
- /*
- * Chip boundary handling in DDP
- * Now we issued chip 1 read and pointed chip 1
+ /*
+ * Chip boundary handling in DDP
+ * Now we issued chip 1 read and pointed chip 1
* bufferram so we have to point chip 0 bufferram.
- */
- if (ONENAND_IS_DDP(this) &&
- unlikely(from == (this->chipsize >> 1))) {
- this->write_word(ONENAND_DDP_CHIP0, this->base + ONENAND_REG_START_ADDRESS2);
- boundary = 1;
- } else
- boundary = 0;
- ONENAND_SET_PREV_BUFFERRAM(this);
- }
- /* While load is going, read from last bufferRAM */
- this->read_bufferram(mtd, ONENAND_DATARAM, buf, column, thislen);
+ */
+ if (ONENAND_IS_DDP(this) &&
+ unlikely(from == (this->chipsize >> 1))) {
+ this->write_word(ONENAND_DDP_CHIP0, this->base + ONENAND_REG_START_ADDRESS2);
+ boundary = 1;
+ } else
+ boundary = 0;
+ ONENAND_SET_PREV_BUFFERRAM(this);
+ }
+ /* While load is going, read from last bufferRAM */
+ this->read_bufferram(mtd, ONENAND_DATARAM, buf, column, thislen);

/* Read oob area if needed */
if (oobbuf) {
@@ -1301,24 +1301,24 @@ static int onenand_read_ops_nolock(struct mtd_info *mtd, loff_t from,
oobcolumn = 0;
}

- /* See if we are done */
- read += thislen;
- if (read == len)
- break;
- /* Set up for next read from bufferRAM */
- if (unlikely(boundary))
- this->write_word(ONENAND_DDP_CHIP1, this->base + ONENAND_REG_START_ADDRESS2);
- ONENAND_SET_NEXT_BUFFERRAM(this);
- buf += thislen;
+ /* See if we are done */
+ read += thislen;
+ if (read == len)
+ break;
+ /* Set up for next read from bufferRAM */
+ if (unlikely(boundary))
+ this->write_word(ONENAND_DDP_CHIP1, this->base + ONENAND_REG_START_ADDRESS2);
+ ONENAND_SET_NEXT_BUFFERRAM(this);
+ buf += thislen;
thislen = min_t(int, writesize, len - read);
- column = 0;
- cond_resched();
- /* Now wait for load */
- ret = this->wait(mtd, FL_READING);
- onenand_update_bufferram(mtd, from, !ret);
+ column = 0;
+ cond_resched();
+ /* Now wait for load */
+ ret = this->wait(mtd, FL_READING);
+ onenand_update_bufferram(mtd, from, !ret);
if (mtd_is_eccerr(ret))
ret = 0;
- }
+ }

/*
* Return success, if no ECC failures, else -EBADMSG
diff --git a/drivers/mtd/parsers/sharpslpart.c b/drivers/mtd/parsers/sharpslpart.c
index e5ea6127ab5a..671a61845bd5 100644
--- a/drivers/mtd/parsers/sharpslpart.c
+++ b/drivers/mtd/parsers/sharpslpart.c
@@ -165,10 +165,10 @@ static int sharpsl_nand_get_logical_num(u8 *oob)

static int sharpsl_nand_init_ftl(struct mtd_info *mtd, struct sharpsl_ftl *ftl)
{
- unsigned int block_num, log_num, phymax;
+ unsigned int block_num, phymax;
+ int i, ret, log_num;
loff_t block_adr;
u8 *oob;
- int i, ret;

oob = kzalloc(mtd->oobsize, GFP_KERNEL);
if (!oob)
diff --git a/drivers/net/netdevsim/bus.c b/drivers/net/netdevsim/bus.c
index 6aeed0c600f8..7971dc4f54f1 100644
--- a/drivers/net/netdevsim/bus.c
+++ b/drivers/net/netdevsim/bus.c
@@ -17,6 +17,7 @@
static DEFINE_IDA(nsim_bus_dev_ids);
static LIST_HEAD(nsim_bus_dev_list);
static DEFINE_MUTEX(nsim_bus_dev_list_lock);
+static bool nsim_bus_enable;

static struct nsim_bus_dev *to_nsim_bus_dev(struct device *dev)
{
@@ -28,7 +29,7 @@ static int nsim_bus_dev_vfs_enable(struct nsim_bus_dev *nsim_bus_dev,
{
nsim_bus_dev->vfconfigs = kcalloc(num_vfs,
sizeof(struct nsim_vf_config),
- GFP_KERNEL);
+ GFP_KERNEL | __GFP_NOWARN);
if (!nsim_bus_dev->vfconfigs)
return -ENOMEM;
nsim_bus_dev->num_vfs = num_vfs;
@@ -96,13 +97,25 @@ new_port_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct nsim_bus_dev *nsim_bus_dev = to_nsim_bus_dev(dev);
+ struct nsim_dev *nsim_dev = dev_get_drvdata(dev);
+ struct devlink *devlink;
unsigned int port_index;
int ret;

+ /* Prevent to use nsim_bus_dev before initialization. */
+ if (!smp_load_acquire(&nsim_bus_dev->init))
+ return -EBUSY;
ret = kstrtouint(buf, 0, &port_index);
if (ret)
return ret;
+
+ devlink = priv_to_devlink(nsim_dev);
+
+ mutex_lock(&nsim_bus_dev->nsim_bus_reload_lock);
+ devlink_reload_disable(devlink);
ret = nsim_dev_port_add(nsim_bus_dev, port_index);
+ devlink_reload_enable(devlink);
+ mutex_unlock(&nsim_bus_dev->nsim_bus_reload_lock);
return ret ? ret : count;
}

@@ -113,13 +126,25 @@ del_port_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct nsim_bus_dev *nsim_bus_dev = to_nsim_bus_dev(dev);
+ struct nsim_dev *nsim_dev = dev_get_drvdata(dev);
+ struct devlink *devlink;
unsigned int port_index;
int ret;

+ /* Prevent to use nsim_bus_dev before initialization. */
+ if (!smp_load_acquire(&nsim_bus_dev->init))
+ return -EBUSY;
ret = kstrtouint(buf, 0, &port_index);
if (ret)
return ret;
+
+ devlink = priv_to_devlink(nsim_dev);
+
+ mutex_lock(&nsim_bus_dev->nsim_bus_reload_lock);
+ devlink_reload_disable(devlink);
ret = nsim_dev_port_del(nsim_bus_dev, port_index);
+ devlink_reload_enable(devlink);
+ mutex_unlock(&nsim_bus_dev->nsim_bus_reload_lock);
return ret ? ret : count;
}

@@ -179,15 +204,30 @@ new_device_store(struct bus_type *bus, const char *buf, size_t count)
pr_err("Format for adding new device is \"id port_count\" (uint uint).\n");
return -EINVAL;
}
- nsim_bus_dev = nsim_bus_dev_new(id, port_count);
- if (IS_ERR(nsim_bus_dev))
- return PTR_ERR(nsim_bus_dev);

mutex_lock(&nsim_bus_dev_list_lock);
+ /* Prevent to use resource before initialization. */
+ if (!smp_load_acquire(&nsim_bus_enable)) {
+ err = -EBUSY;
+ goto err;
+ }
+
+ nsim_bus_dev = nsim_bus_dev_new(id, port_count);
+ if (IS_ERR(nsim_bus_dev)) {
+ err = PTR_ERR(nsim_bus_dev);
+ goto err;
+ }
+
+ /* Allow using nsim_bus_dev */
+ smp_store_release(&nsim_bus_dev->init, true);
+
list_add_tail(&nsim_bus_dev->list, &nsim_bus_dev_list);
mutex_unlock(&nsim_bus_dev_list_lock);

return count;
+err:
+ mutex_unlock(&nsim_bus_dev_list_lock);
+ return err;
}
static BUS_ATTR_WO(new_device);

@@ -215,6 +255,11 @@ del_device_store(struct bus_type *bus, const char *buf, size_t count)

err = -ENOENT;
mutex_lock(&nsim_bus_dev_list_lock);
+ /* Prevent to use resource before initialization. */
+ if (!smp_load_acquire(&nsim_bus_enable)) {
+ mutex_unlock(&nsim_bus_dev_list_lock);
+ return -EBUSY;
+ }
list_for_each_entry_safe(nsim_bus_dev, tmp, &nsim_bus_dev_list, list) {
if (nsim_bus_dev->dev.id != id)
continue;
@@ -284,6 +329,9 @@ nsim_bus_dev_new(unsigned int id, unsigned int port_count)
nsim_bus_dev->dev.type = &nsim_bus_dev_type;
nsim_bus_dev->port_count = port_count;
nsim_bus_dev->initial_net = current->nsproxy->net_ns;
+ mutex_init(&nsim_bus_dev->nsim_bus_reload_lock);
+ /* Disallow using nsim_bus_dev */
+ smp_store_release(&nsim_bus_dev->init, false);

err = device_register(&nsim_bus_dev->dev);
if (err)
@@ -299,6 +347,8 @@ nsim_bus_dev_new(unsigned int id, unsigned int port_count)

static void nsim_bus_dev_del(struct nsim_bus_dev *nsim_bus_dev)
{
+ /* Disallow using nsim_bus_dev */
+ smp_store_release(&nsim_bus_dev->init, false);
device_unregister(&nsim_bus_dev->dev);
ida_free(&nsim_bus_dev_ids, nsim_bus_dev->dev.id);
kfree(nsim_bus_dev);
@@ -320,6 +370,8 @@ int nsim_bus_init(void)
err = driver_register(&nsim_driver);
if (err)
goto err_bus_unregister;
+ /* Allow using resources */
+ smp_store_release(&nsim_bus_enable, true);
return 0;

err_bus_unregister:
@@ -331,12 +383,16 @@ void nsim_bus_exit(void)
{
struct nsim_bus_dev *nsim_bus_dev, *tmp;

+ /* Disallow using resources */
+ smp_store_release(&nsim_bus_enable, false);
+
mutex_lock(&nsim_bus_dev_list_lock);
list_for_each_entry_safe(nsim_bus_dev, tmp, &nsim_bus_dev_list, list) {
list_del(&nsim_bus_dev->list);
nsim_bus_dev_del(nsim_bus_dev);
}
mutex_unlock(&nsim_bus_dev_list_lock);
+
driver_unregister(&nsim_driver);
bus_unregister(&nsim_bus);
}
diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c
index 2a945b3c7c76..54bc089550b3 100644
--- a/drivers/net/netdevsim/dev.c
+++ b/drivers/net/netdevsim/dev.c
@@ -88,8 +88,11 @@ static int nsim_dev_debugfs_init(struct nsim_dev *nsim_dev)
&nsim_dev->max_macs);
debugfs_create_bool("test1", 0600, nsim_dev->ddir,
&nsim_dev->test1);
- debugfs_create_file("take_snapshot", 0200, nsim_dev->ddir, nsim_dev,
- &nsim_dev_take_snapshot_fops);
+ nsim_dev->take_snapshot = debugfs_create_file("take_snapshot",
+ 0200,
+ nsim_dev->ddir,
+ nsim_dev,
+ &nsim_dev_take_snapshot_fops);
debugfs_create_bool("dont_allow_reload", 0600, nsim_dev->ddir,
&nsim_dev->dont_allow_reload);
debugfs_create_bool("fail_reload", 0600, nsim_dev->ddir,
@@ -740,6 +743,11 @@ static int nsim_dev_reload_create(struct nsim_dev *nsim_dev,
if (err)
goto err_health_exit;

+ nsim_dev->take_snapshot = debugfs_create_file("take_snapshot",
+ 0200,
+ nsim_dev->ddir,
+ nsim_dev,
+ &nsim_dev_take_snapshot_fops);
return 0;

err_health_exit:
@@ -853,6 +861,7 @@ static void nsim_dev_reload_destroy(struct nsim_dev *nsim_dev)

if (devlink_is_reload_failed(devlink))
return;
+ debugfs_remove(nsim_dev->take_snapshot);
nsim_dev_port_del_all(nsim_dev);
nsim_dev_health_exit(nsim_dev);
nsim_dev_traps_exit(devlink);
diff --git a/drivers/net/netdevsim/health.c b/drivers/net/netdevsim/health.c
index 9aa637d162eb..c06e0f8fbc10 100644
--- a/drivers/net/netdevsim/health.c
+++ b/drivers/net/netdevsim/health.c
@@ -82,7 +82,7 @@ static int nsim_dev_dummy_fmsg_put(struct devlink_fmsg *fmsg, u32 binary_len)
if (err)
return err;

- binary = kmalloc(binary_len, GFP_KERNEL);
+ binary = kmalloc(binary_len, GFP_KERNEL | __GFP_NOWARN);
if (!binary)
return -ENOMEM;
get_random_bytes(binary, binary_len);
diff --git a/drivers/net/netdevsim/netdevsim.h b/drivers/net/netdevsim/netdevsim.h
index 94df795ef4d3..2eb7b0dc1594 100644
--- a/drivers/net/netdevsim/netdevsim.h
+++ b/drivers/net/netdevsim/netdevsim.h
@@ -160,6 +160,7 @@ struct nsim_dev {
struct nsim_trap_data *trap_data;
struct dentry *ddir;
struct dentry *ports_ddir;
+ struct dentry *take_snapshot;
struct bpf_offload_dev *bpf_dev;
bool bpf_bind_accept;
u32 bpf_bind_verifier_delay;
@@ -240,6 +241,9 @@ struct nsim_bus_dev {
*/
unsigned int num_vfs;
struct nsim_vf_config *vfconfigs;
+ /* Lock for devlink->reload_enabled in netdevsim module */
+ struct mutex nsim_bus_reload_lock;
+ bool init;
};

int nsim_bus_init(void);
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index bb44f5a0941b..4822a65f6f3c 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -1604,11 +1604,22 @@ static int ath10k_pci_dump_memory_reg(struct ath10k *ar,
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
u32 i;
+ int ret;
+
+ mutex_lock(&ar->conf_mutex);
+ if (ar->state != ATH10K_STATE_ON) {
+ ath10k_warn(ar, "Skipping pci_dump_memory_reg invalid state\n");
+ ret = -EIO;
+ goto done;
+ }

for (i = 0; i < region->len; i += 4)
*(u32 *)(buf + i) = ioread32(ar_pci->mem + region->start + i);

- return region->len;
+ ret = region->len;
+done:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
}

/* if an error happened returns < 0, otherwise the length */
@@ -1704,7 +1715,11 @@ static void ath10k_pci_dump_memory(struct ath10k *ar,
count = ath10k_pci_dump_memory_sram(ar, current_region, buf);
break;
case ATH10K_MEM_REGION_TYPE_IOREG:
- count = ath10k_pci_dump_memory_reg(ar, current_region, buf);
+ ret = ath10k_pci_dump_memory_reg(ar, current_region, buf);
+ if (ret < 0)
+ break;
+
+ count = ret;
break;
default:
ret = ath10k_pci_dump_memory_generic(ar, current_region, buf);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c
index 9f4b117db9d7..d47f76890cf9 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c
@@ -8,6 +8,7 @@
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
* Copyright (C) 2018 Intel Corporation
* Copyright (C) 2019 Intel Corporation
+ * Copyright (C) 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -30,6 +31,7 @@
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
* Copyright (C) 2018 Intel Corporation
* Copyright (C) 2019 Intel Corporation
+ * Copyright (C) 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -389,6 +391,8 @@ void iwl_mvm_ftm_abort(struct iwl_mvm *mvm, struct cfg80211_pmsr_request *req)
if (req != mvm->ftm_initiator.req)
return;

+ iwl_mvm_ftm_reset(mvm);
+
if (iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_RANGE_ABORT_CMD,
LOCATION_GROUP, 0),
0, sizeof(cmd), &cmd))
@@ -502,7 +506,6 @@ void iwl_mvm_ftm_range_resp(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
lockdep_assert_held(&mvm->mutex);

if (!mvm->ftm_initiator.req) {
- IWL_ERR(mvm, "Got FTM response but have no request?\n");
return;
}

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 6717f25c46b1..efdf15f57f16 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -3293,7 +3293,7 @@ static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD))
iwl_mvm_schedule_session_protection(mvm, vif, 900,
- min_duration);
+ min_duration, false);
else
iwl_mvm_protect_session(mvm, vif, duration,
min_duration, 500, false);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tdls.c b/drivers/net/wireless/intel/iwlwifi/mvm/tdls.c
index 1851719e9f4b..d781777b6b96 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tdls.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tdls.c
@@ -205,9 +205,15 @@ void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
u32 duration = 2 * vif->bss_conf.dtim_period * vif->bss_conf.beacon_int;

- mutex_lock(&mvm->mutex);
/* Protect the session to hear the TDLS setup response on the channel */
- iwl_mvm_protect_session(mvm, vif, duration, duration, 100, true);
+ mutex_lock(&mvm->mutex);
+ if (fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD))
+ iwl_mvm_schedule_session_protection(mvm, vif, duration,
+ duration, true);
+ else
+ iwl_mvm_protect_session(mvm, vif, duration,
+ duration, 100, true);
mutex_unlock(&mvm->mutex);
}

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
index 51b138673ddb..c0b420fe5e48 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
@@ -1056,13 +1056,42 @@ int iwl_mvm_schedule_csa_period(struct iwl_mvm *mvm,
return iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd);
}

+static bool iwl_mvm_session_prot_notif(struct iwl_notif_wait_data *notif_wait,
+ struct iwl_rx_packet *pkt, void *data)
+{
+ struct iwl_mvm *mvm =
+ container_of(notif_wait, struct iwl_mvm, notif_wait);
+ struct iwl_mvm_session_prot_notif *resp;
+ int resp_len = iwl_rx_packet_payload_len(pkt);
+
+ if (WARN_ON(pkt->hdr.cmd != SESSION_PROTECTION_NOTIF ||
+ pkt->hdr.group_id != MAC_CONF_GROUP))
+ return true;
+
+ if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
+ IWL_ERR(mvm, "Invalid SESSION_PROTECTION_NOTIF response\n");
+ return true;
+ }
+
+ resp = (void *)pkt->data;
+
+ if (!resp->status)
+ IWL_ERR(mvm,
+ "TIME_EVENT_NOTIFICATION received but not executed\n");
+
+ return true;
+}
+
void iwl_mvm_schedule_session_protection(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
- u32 duration, u32 min_duration)
+ u32 duration, u32 min_duration,
+ bool wait_for_notif)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data;
-
+ const u16 notif[] = { iwl_cmd_id(SESSION_PROTECTION_NOTIF,
+ MAC_CONF_GROUP, 0) };
+ struct iwl_notification_wait wait_notif;
struct iwl_mvm_session_prot_cmd cmd = {
.id_and_color =
cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
@@ -1071,7 +1100,6 @@ void iwl_mvm_schedule_session_protection(struct iwl_mvm *mvm,
.conf_id = cpu_to_le32(SESSION_PROTECT_CONF_ASSOC),
.duration_tu = cpu_to_le32(MSEC_TO_TU(duration)),
};
- int ret;

lockdep_assert_held(&mvm->mutex);

@@ -1092,14 +1120,35 @@ void iwl_mvm_schedule_session_protection(struct iwl_mvm *mvm,
IWL_DEBUG_TE(mvm, "Add new session protection, duration %d TU\n",
le32_to_cpu(cmd.duration_tu));

- ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(SESSION_PROTECTION_CMD,
- MAC_CONF_GROUP, 0),
- 0, sizeof(cmd), &cmd);
- if (ret) {
+ if (!wait_for_notif) {
+ if (iwl_mvm_send_cmd_pdu(mvm,
+ iwl_cmd_id(SESSION_PROTECTION_CMD,
+ MAC_CONF_GROUP, 0),
+ 0, sizeof(cmd), &cmd)) {
+ IWL_ERR(mvm,
+ "Couldn't send the SESSION_PROTECTION_CMD\n");
+ spin_lock_bh(&mvm->time_event_lock);
+ iwl_mvm_te_clear_data(mvm, te_data);
+ spin_unlock_bh(&mvm->time_event_lock);
+ }
+
+ return;
+ }
+
+ iwl_init_notification_wait(&mvm->notif_wait, &wait_notif,
+ notif, ARRAY_SIZE(notif),
+ iwl_mvm_session_prot_notif, NULL);
+
+ if (iwl_mvm_send_cmd_pdu(mvm,
+ iwl_cmd_id(SESSION_PROTECTION_CMD,
+ MAC_CONF_GROUP, 0),
+ 0, sizeof(cmd), &cmd)) {
IWL_ERR(mvm,
- "Couldn't send the SESSION_PROTECTION_CMD: %d\n", ret);
- spin_lock_bh(&mvm->time_event_lock);
- iwl_mvm_te_clear_data(mvm, te_data);
- spin_unlock_bh(&mvm->time_event_lock);
+ "Couldn't send the SESSION_PROTECTION_CMD\n");
+ iwl_remove_notification(&mvm->notif_wait, &wait_notif);
+ } else if (iwl_wait_notification(&mvm->notif_wait, &wait_notif,
+ TU_TO_JIFFIES(100))) {
+ IWL_ERR(mvm,
+ "Failed to protect session until session protection\n");
}
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.h b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.h
index df6832b79666..3186d7e40567 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.h
@@ -250,10 +250,12 @@ iwl_mvm_te_scheduled(struct iwl_mvm_time_event_data *te_data)
* @mvm: the mvm component
* @vif: the virtual interface for which the protection issued
* @duration: the duration of the protection
+ * @wait_for_notif: if true, will block until the start of the protection
*/
void iwl_mvm_schedule_session_protection(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
- u32 duration, u32 min_duration);
+ u32 duration, u32 min_duration,
+ bool wait_for_notif);

/**
* iwl_mvm_rx_session_protect_notif - handles %SESSION_PROTECTION_NOTIF
diff --git a/drivers/net/wireless/marvell/libertas/cfg.c b/drivers/net/wireless/marvell/libertas/cfg.c
index c9401c121a14..4e3de684928b 100644
--- a/drivers/net/wireless/marvell/libertas/cfg.c
+++ b/drivers/net/wireless/marvell/libertas/cfg.c
@@ -1785,6 +1785,8 @@ static int lbs_ibss_join_existing(struct lbs_private *priv,
rates_max = rates_eid[1];
if (rates_max > MAX_RATES) {
lbs_deb_join("invalid rates");
+ rcu_read_unlock();
+ ret = -EINVAL;
goto out;
}
rates = cmd.bss.rates;
diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c
index 98f942b797f7..a7968a84aaf8 100644
--- a/drivers/net/wireless/marvell/mwifiex/scan.c
+++ b/drivers/net/wireless/marvell/mwifiex/scan.c
@@ -2884,6 +2884,13 @@ mwifiex_cmd_append_vsie_tlv(struct mwifiex_private *priv,
vs_param_set->header.len =
cpu_to_le16((((u16) priv->vs_ie[id].ie[1])
& 0x00FF) + 2);
+ if (le16_to_cpu(vs_param_set->header.len) >
+ MWIFIEX_MAX_VSIE_LEN) {
+ mwifiex_dbg(priv->adapter, ERROR,
+ "Invalid param length!\n");
+ break;
+ }
+
memcpy(vs_param_set->ie, priv->vs_ie[id].ie,
le16_to_cpu(vs_param_set->header.len));
*buffer += le16_to_cpu(vs_param_set->header.len) +
diff --git a/drivers/net/wireless/marvell/mwifiex/wmm.c b/drivers/net/wireless/marvell/mwifiex/wmm.c
index 41f0231376c0..132f9e8ed68c 100644
--- a/drivers/net/wireless/marvell/mwifiex/wmm.c
+++ b/drivers/net/wireless/marvell/mwifiex/wmm.c
@@ -970,6 +970,10 @@ int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv,
"WMM Parameter Set Count: %d\n",
wmm_param_ie->qos_info_bitmap & mask);

+ if (wmm_param_ie->vend_hdr.len + 2 >
+ sizeof(struct ieee_types_wmm_parameter))
+ break;
+
memcpy((u8 *) &priv->curr_bss_params.bss_descriptor.
wmm_ie, wmm_param_ie,
wmm_param_ie->vend_hdr.len + 2);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
index eccad4987ac8..17e277bf39e0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
@@ -92,8 +92,9 @@ static int mt7615_check_eeprom(struct mt76_dev *dev)

static void mt7615_eeprom_parse_hw_cap(struct mt7615_dev *dev)
{
- u8 val, *eeprom = dev->mt76.eeprom.data;
+ u8 *eeprom = dev->mt76.eeprom.data;
u8 tx_mask, rx_mask, max_nss;
+ u32 val;

val = FIELD_GET(MT_EE_NIC_WIFI_CONF_BAND_SEL,
eeprom[MT_EE_WIFI_CONF]);
diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c
index 090b632965e2..ac93f5a0398e 100644
--- a/drivers/pci/controller/pci-tegra.c
+++ b/drivers/pci/controller/pci-tegra.c
@@ -2499,7 +2499,6 @@ static const struct tegra_pcie_soc tegra20_pcie = {
.num_ports = 2,
.ports = tegra20_pcie_ports,
.msi_base_shift = 0,
- .afi_pex2_ctrl = 0x128,
.pads_pll_ctl = PADS_PLL_CTL_TEGRA20,
.tx_ref_sel = PADS_PLL_CTL_TXCLKREF_DIV10,
.pads_refclk_cfg0 = 0xfa5cfa5c,
@@ -2528,6 +2527,7 @@ static const struct tegra_pcie_soc tegra30_pcie = {
.num_ports = 3,
.ports = tegra30_pcie_ports,
.msi_base_shift = 8,
+ .afi_pex2_ctrl = 0x128,
.pads_pll_ctl = PADS_PLL_CTL_TEGRA30,
.tx_ref_sel = PADS_PLL_CTL_TXCLKREF_BUF_EN,
.pads_refclk_cfg0 = 0xfa5cfa5c,
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index 1e88fd427757..4d1f392b05f9 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -186,10 +186,10 @@ int pci_iov_add_virtfn(struct pci_dev *dev, int id)
sprintf(buf, "virtfn%u", id);
rc = sysfs_create_link(&dev->dev.kobj, &virtfn->dev.kobj, buf);
if (rc)
- goto failed2;
+ goto failed1;
rc = sysfs_create_link(&virtfn->dev.kobj, &dev->dev.kobj, "physfn");
if (rc)
- goto failed3;
+ goto failed2;

kobject_uevent(&virtfn->dev.kobj, KOBJ_CHANGE);

@@ -197,11 +197,10 @@ int pci_iov_add_virtfn(struct pci_dev *dev, int id)

return 0;

-failed3:
- sysfs_remove_link(&dev->dev.kobj, buf);
failed2:
- pci_stop_and_remove_bus_device(virtfn);
+ sysfs_remove_link(&dev->dev.kobj, buf);
failed1:
+ pci_stop_and_remove_bus_device(virtfn);
pci_dev_put(dev);
failed0:
virtfn_remove_bus(dev->bus, bus);
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index 1ca86f2e0166..4a818b07a1af 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -1445,6 +1445,7 @@ static int aer_probe(struct pcie_device *dev)
return -ENOMEM;

rpc->rpd = port;
+ INIT_KFIFO(rpc->aer_fifo);
set_service_data(dev, rpc);

status = devm_request_threaded_irq(device, dev->irq, aer_irq, aer_isr,
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index f279826204eb..591161ce0f51 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -1803,12 +1803,18 @@ void pci_assign_unassigned_root_bus_resources(struct pci_bus *bus)
/* Restore size and flags */
list_for_each_entry(fail_res, &fail_head, list) {
struct resource *res = fail_res->res;
+ int idx;

res->start = fail_res->start;
res->end = fail_res->end;
res->flags = fail_res->flags;
- if (fail_res->dev->subordinate)
- res->flags = 0;
+
+ if (pci_is_bridge(fail_res->dev)) {
+ idx = res - &fail_res->dev->resource[0];
+ if (idx >= PCI_BRIDGE_RESOURCES &&
+ idx <= PCI_BRIDGE_RESOURCE_END)
+ res->flags = 0;
+ }
}
free_list(&fail_head);

@@ -2055,12 +2061,18 @@ void pci_assign_unassigned_bridge_resources(struct pci_dev *bridge)
/* Restore size and flags */
list_for_each_entry(fail_res, &fail_head, list) {
struct resource *res = fail_res->res;
+ int idx;

res->start = fail_res->start;
res->end = fail_res->end;
res->flags = fail_res->flags;
- if (fail_res->dev->subordinate)
- res->flags = 0;
+
+ if (pci_is_bridge(fail_res->dev)) {
+ idx = res - &fail_res->dev->resource[0];
+ if (idx >= PCI_BRIDGE_RESOURCES &&
+ idx <= PCI_BRIDGE_RESOURCE_END)
+ res->flags = 0;
+ }
}
free_list(&fail_head);

diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index 88091bbfe77f..9c3ad09d3022 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -1276,7 +1276,7 @@ static int switchtec_init_isr(struct switchtec_dev *stdev)
if (nvecs < 0)
return nvecs;

- event_irq = ioread32(&stdev->mmio_part_cfg->vep_vector_number);
+ event_irq = ioread16(&stdev->mmio_part_cfg->vep_vector_number);
if (event_irq < 0 || event_irq >= nvecs)
return -EFAULT;

@@ -1349,7 +1349,7 @@ static int switchtec_init_pci(struct switchtec_dev *stdev,
if (rc)
return rc;

- rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
+ rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
if (rc)
return rc;

diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c
index 55141d5de29e..72ffd19448e5 100644
--- a/drivers/pinctrl/intel/pinctrl-baytrail.c
+++ b/drivers/pinctrl/intel/pinctrl-baytrail.c
@@ -107,6 +107,7 @@ struct byt_gpio_pin_context {

struct byt_gpio {
struct gpio_chip chip;
+ struct irq_chip irqchip;
struct platform_device *pdev;
struct pinctrl_dev *pctl_dev;
struct pinctrl_desc pctl_desc;
@@ -1395,15 +1396,6 @@ static int byt_irq_type(struct irq_data *d, unsigned int type)
return 0;
}

-static struct irq_chip byt_irqchip = {
- .name = "BYT-GPIO",
- .irq_ack = byt_irq_ack,
- .irq_mask = byt_irq_mask,
- .irq_unmask = byt_irq_unmask,
- .irq_set_type = byt_irq_type,
- .flags = IRQCHIP_SKIP_SET_WAKE,
-};
-
static void byt_gpio_irq_handler(struct irq_desc *desc)
{
struct irq_data *data = irq_desc_get_irq_data(desc);
@@ -1551,8 +1543,15 @@ static int byt_gpio_probe(struct byt_gpio *vg)
if (irq_rc && irq_rc->start) {
struct gpio_irq_chip *girq;

+ vg->irqchip.name = "BYT-GPIO",
+ vg->irqchip.irq_ack = byt_irq_ack,
+ vg->irqchip.irq_mask = byt_irq_mask,
+ vg->irqchip.irq_unmask = byt_irq_unmask,
+ vg->irqchip.irq_set_type = byt_irq_type,
+ vg->irqchip.flags = IRQCHIP_SKIP_SET_WAKE,
+
girq = &gc->irq;
- girq->chip = &byt_irqchip;
+ girq->chip = &vg->irqchip;
girq->init_hw = byt_gpio_irq_init_hw;
girq->parent_handler = byt_gpio_irq_handler;
girq->num_parents = 1;
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index 5d6f9f61ce02..9a8daa256a32 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -960,7 +960,6 @@ static int msm_gpio_irq_set_wake(struct irq_data *d, unsigned int on)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct msm_pinctrl *pctrl = gpiochip_get_data(gc);
- unsigned long flags;

/*
* While they may not wake up when the TLMM is powered off,
@@ -971,12 +970,8 @@ static int msm_gpio_irq_set_wake(struct irq_data *d, unsigned int on)
if (d->parent_data)
irq_chip_set_wake_parent(d, on);

- raw_spin_lock_irqsave(&pctrl->lock, flags);
-
irq_set_irq_wake(pctrl->irq, on);

- raw_spin_unlock_irqrestore(&pctrl->lock, flags);
-
return 0;
}

diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7778.c b/drivers/pinctrl/sh-pfc/pfc-r8a7778.c
index 24866a5958ae..a9875038ed9b 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7778.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7778.c
@@ -2305,7 +2305,7 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
FN_ATAG0_A, 0, FN_REMOCON_B, 0,
/* IP0_11_8 [4] */
FN_SD1_DAT2_A, FN_MMC_D2, 0, FN_BS,
- FN_ATADIR0_A, 0, FN_SDSELF_B, 0,
+ FN_ATADIR0_A, 0, FN_SDSELF_A, 0,
FN_PWM4_B, 0, 0, 0,
0, 0, 0, 0,
/* IP0_7_5 [3] */
@@ -2349,7 +2349,7 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
FN_TS_SDAT0_A, 0, 0, 0,
0, 0, 0, 0,
/* IP1_10_8 [3] */
- FN_SD1_CLK_B, FN_MMC_D6, 0, FN_A24,
+ FN_SD1_CD_A, FN_MMC_D6, 0, FN_A24,
FN_DREQ1_A, 0, FN_HRX0_B, FN_TS_SPSYNC0_A,
/* IP1_7_5 [3] */
FN_A23, FN_HTX0_B, FN_TX2_B, FN_DACK2_A,
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a77965.c b/drivers/pinctrl/sh-pfc/pfc-r8a77965.c
index 8bdf33c807f6..6616f5210b9d 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a77965.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a77965.c
@@ -5998,7 +5998,7 @@ static const struct pinmux_drive_reg pinmux_drive_regs[] = {
{ PIN_DU_DOTCLKIN1, 0, 2 }, /* DU_DOTCLKIN1 */
} },
{ PINMUX_DRIVE_REG("DRVCTRL12", 0xe6060330) {
- { PIN_DU_DOTCLKIN3, 28, 2 }, /* DU_DOTCLKIN3 */
+ { PIN_DU_DOTCLKIN3, 24, 2 }, /* DU_DOTCLKIN3 */
{ PIN_FSCLKST, 20, 2 }, /* FSCLKST */
{ PIN_TMS, 4, 2 }, /* TMS */
} },
@@ -6254,8 +6254,8 @@ static const struct pinmux_bias_reg pinmux_bias_regs[] = {
[31] = PIN_DU_DOTCLKIN1, /* DU_DOTCLKIN1 */
} },
{ PINMUX_BIAS_REG("PUEN3", 0xe606040c, "PUD3", 0xe606044c) {
- [ 0] = PIN_DU_DOTCLKIN3, /* DU_DOTCLKIN3 */
- [ 1] = SH_PFC_PIN_NONE,
+ [ 0] = SH_PFC_PIN_NONE,
+ [ 1] = PIN_DU_DOTCLKIN3, /* DU_DOTCLKIN3 */
[ 2] = PIN_FSCLKST, /* FSCLKST */
[ 3] = PIN_EXTALR, /* EXTALR*/
[ 4] = PIN_TRST_N, /* TRST# */
diff --git a/drivers/platform/x86/intel_mid_powerbtn.c b/drivers/platform/x86/intel_mid_powerbtn.c
index 292bace83f1e..6f436836fe50 100644
--- a/drivers/platform/x86/intel_mid_powerbtn.c
+++ b/drivers/platform/x86/intel_mid_powerbtn.c
@@ -146,9 +146,10 @@ static int mid_pb_probe(struct platform_device *pdev)

input_set_capability(input, EV_KEY, KEY_POWER);

- ddata = (struct mid_pb_ddata *)id->driver_data;
+ ddata = devm_kmemdup(&pdev->dev, (void *)id->driver_data,
+ sizeof(*ddata), GFP_KERNEL);
if (!ddata)
- return -ENODATA;
+ return -ENOMEM;

ddata->dev = &pdev->dev;
ddata->irq = irq;
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 033303708c8b..cb28bbdc9e17 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -850,7 +850,7 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
rtc_cmos_int_handler = cmos_interrupt;

retval = request_irq(rtc_irq, rtc_cmos_int_handler,
- IRQF_SHARED, dev_name(&cmos_rtc.rtc->dev),
+ 0, dev_name(&cmos_rtc.rtc->dev),
cmos_rtc.rtc);
if (retval < 0) {
dev_dbg(dev, "IRQ %d is already in use\n", rtc_irq);
diff --git a/drivers/rtc/rtc-hym8563.c b/drivers/rtc/rtc-hym8563.c
index 443f6d05ce29..fb6d7967ec00 100644
--- a/drivers/rtc/rtc-hym8563.c
+++ b/drivers/rtc/rtc-hym8563.c
@@ -97,7 +97,7 @@ static int hym8563_rtc_read_time(struct device *dev, struct rtc_time *tm)

if (!hym8563->valid) {
dev_warn(&client->dev, "no valid clock/calendar values available\n");
- return -EPERM;
+ return -EINVAL;
}

ret = i2c_smbus_read_i2c_block_data(client, HYM8563_SEC, 7, buf);
diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
index 9135e2101752..cda238dfe69b 100644
--- a/drivers/rtc/rtc-mt6397.c
+++ b/drivers/rtc/rtc-mt6397.c
@@ -297,15 +297,7 @@ static int mtk_rtc_probe(struct platform_device *pdev)

rtc->rtc_dev->ops = &mtk_rtc_ops;

- ret = rtc_register_device(rtc->rtc_dev);
- if (ret)
- goto out_free_irq;
-
- return 0;
-
-out_free_irq:
- free_irq(rtc->irq, rtc);
- return ret;
+ return rtc_register_device(rtc->rtc_dev);
}

#ifdef CONFIG_PM_SLEEP
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 03173f06ab96..3fbf9ea16c64 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -7030,7 +7030,8 @@ static int ufshcd_probe_hba(struct ufs_hba *hba)
ufshcd_init_icc_levels(hba);

/* Add required well known logical units to scsi mid layer */
- if (ufshcd_scsi_add_wlus(hba))
+ ret = ufshcd_scsi_add_wlus(hba);
+ if (ret)
goto out;

/* Initialize devfreq after UFS device is detected */
diff --git a/drivers/soc/qcom/rpmhpd.c b/drivers/soc/qcom/rpmhpd.c
index 5741ec3fa814..51850cc68b70 100644
--- a/drivers/soc/qcom/rpmhpd.c
+++ b/drivers/soc/qcom/rpmhpd.c
@@ -93,6 +93,7 @@ static struct rpmhpd sdm845_mx = {

static struct rpmhpd sdm845_mx_ao = {
.pd = { .name = "mx_ao", },
+ .active_only = true,
.peer = &sdm845_mx,
.res_name = "mx.lvl",
};
@@ -107,6 +108,7 @@ static struct rpmhpd sdm845_cx = {

static struct rpmhpd sdm845_cx_ao = {
.pd = { .name = "cx_ao", },
+ .active_only = true,
.peer = &sdm845_cx,
.parent = &sdm845_mx_ao.pd,
.res_name = "cx.lvl",
diff --git a/drivers/watchdog/qcom-wdt.c b/drivers/watchdog/qcom-wdt.c
index a494543d3ae1..eb47fe5ed280 100644
--- a/drivers/watchdog/qcom-wdt.c
+++ b/drivers/watchdog/qcom-wdt.c
@@ -246,7 +246,7 @@ static int qcom_wdt_probe(struct platform_device *pdev)
}

/* check if there is pretimeout support */
- irq = platform_get_irq(pdev, 0);
+ irq = platform_get_irq_optional(pdev, 0);
if (irq > 0) {
ret = devm_request_irq(dev, irq, qcom_wdt_isr,
IRQF_TRIGGER_RISING,
diff --git a/drivers/watchdog/stm32_iwdg.c b/drivers/watchdog/stm32_iwdg.c
index a3a329011a06..25188d6bbe15 100644
--- a/drivers/watchdog/stm32_iwdg.c
+++ b/drivers/watchdog/stm32_iwdg.c
@@ -262,6 +262,24 @@ static int stm32_iwdg_probe(struct platform_device *pdev)
watchdog_set_nowayout(wdd, WATCHDOG_NOWAYOUT);
watchdog_init_timeout(wdd, 0, dev);

+ /*
+ * In case of CONFIG_WATCHDOG_HANDLE_BOOT_ENABLED is set
+ * (Means U-Boot/bootloaders leaves the watchdog running)
+ * When we get here we should make a decision to prevent
+ * any side effects before user space daemon will take care of it.
+ * The best option, taking into consideration that there is no
+ * way to read values back from hardware, is to enforce watchdog
+ * being run with deterministic values.
+ */
+ if (IS_ENABLED(CONFIG_WATCHDOG_HANDLE_BOOT_ENABLED)) {
+ ret = stm32_iwdg_start(wdd);
+ if (ret)
+ return ret;
+
+ /* Make sure the watchdog is serviced */
+ set_bit(WDOG_HW_RUNNING, &wdd->status);
+ }
+
ret = devm_watchdog_register_device(dev, wdd);
if (ret)
return ret;
diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index 295a7a21b774..e7dd07f47825 100644
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -90,7 +90,7 @@ config NFS_V4
config NFS_SWAP
bool "Provide swap over NFS support"
default n
- depends on NFS_FS
+ depends on NFS_FS && SWAP
select SUNRPC_SWAP
help
This option enables swapon to work on files located on NFS mounts.
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 040a50fd9bf3..29f00da8a0b7 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -245,10 +245,10 @@ static int nfs_direct_cmp_commit_data_verf(struct nfs_direct_req *dreq,
data->ds_commit_index);

/* verifier not set so always fail */
- if (verfp->committed < 0)
+ if (verfp->committed < 0 || data->res.verf->committed <= NFS_UNSTABLE)
return 1;

- return nfs_direct_cmp_verf(verfp, &data->verf);
+ return nfs_direct_cmp_verf(verfp, data->res.verf);
}

/**
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index 927eb680f161..69971f6c840d 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -2334,6 +2334,7 @@ static int nfs3_xdr_dec_commit3res(struct rpc_rqst *req,
void *data)
{
struct nfs_commitres *result = data;
+ struct nfs_writeverf *verf = result->verf;
enum nfs_stat status;
int error;

@@ -2346,7 +2347,9 @@ static int nfs3_xdr_dec_commit3res(struct rpc_rqst *req,
result->op_status = status;
if (status != NFS3_OK)
goto out_status;
- error = decode_writeverf3(xdr, &result->verf->verifier);
+ error = decode_writeverf3(xdr, &verf->verifier);
+ if (!error)
+ verf->committed = NFS_FILE_SYNC;
out:
return error;
out_status:
diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c
index 1fe83e0f663e..9637aad36bdc 100644
--- a/fs/nfs/nfs42proc.c
+++ b/fs/nfs/nfs42proc.c
@@ -61,8 +61,11 @@ static int _nfs42_proc_fallocate(struct rpc_message *msg, struct file *filep,

status = nfs4_set_rw_stateid(&args.falloc_stateid, lock->open_context,
lock, FMODE_WRITE);
- if (status)
+ if (status) {
+ if (status == -EAGAIN)
+ status = -NFS4ERR_BAD_STATEID;
return status;
+ }

res.falloc_fattr = nfs_alloc_fattr();
if (!res.falloc_fattr)
@@ -287,8 +290,11 @@ static ssize_t _nfs42_proc_copy(struct file *src,
} else {
status = nfs4_set_rw_stateid(&args->src_stateid,
src_lock->open_context, src_lock, FMODE_READ);
- if (status)
+ if (status) {
+ if (status == -EAGAIN)
+ status = -NFS4ERR_BAD_STATEID;
return status;
+ }
}
status = nfs_filemap_write_and_wait_range(file_inode(src)->i_mapping,
pos_src, pos_src + (loff_t)count - 1);
@@ -297,8 +303,11 @@ static ssize_t _nfs42_proc_copy(struct file *src,

status = nfs4_set_rw_stateid(&args->dst_stateid, dst_lock->open_context,
dst_lock, FMODE_WRITE);
- if (status)
+ if (status) {
+ if (status == -EAGAIN)
+ status = -NFS4ERR_BAD_STATEID;
return status;
+ }

status = nfs_sync_inode(dst_inode);
if (status)
@@ -546,8 +555,11 @@ static int _nfs42_proc_copy_notify(struct file *src, struct file *dst,
status = nfs4_set_rw_stateid(&args->cna_src_stateid, ctx, l_ctx,
FMODE_READ);
nfs_put_lock_context(l_ctx);
- if (status)
+ if (status) {
+ if (status == -EAGAIN)
+ status = -NFS4ERR_BAD_STATEID;
return status;
+ }

status = nfs4_call_sync(src_server->client, src_server, &msg,
&args->cna_seq_args, &res->cnr_seq_res, 0);
@@ -618,8 +630,11 @@ static loff_t _nfs42_proc_llseek(struct file *filep,

status = nfs4_set_rw_stateid(&args.sa_stateid, lock->open_context,
lock, FMODE_READ);
- if (status)
+ if (status) {
+ if (status == -EAGAIN)
+ status = -NFS4ERR_BAD_STATEID;
return status;
+ }

status = nfs_filemap_write_and_wait_range(inode->i_mapping,
offset, LLONG_MAX);
@@ -994,13 +1009,18 @@ static int _nfs42_proc_clone(struct rpc_message *msg, struct file *src_f,

status = nfs4_set_rw_stateid(&args.src_stateid, src_lock->open_context,
src_lock, FMODE_READ);
- if (status)
+ if (status) {
+ if (status == -EAGAIN)
+ status = -NFS4ERR_BAD_STATEID;
return status;
-
+ }
status = nfs4_set_rw_stateid(&args.dst_stateid, dst_lock->open_context,
dst_lock, FMODE_WRITE);
- if (status)
+ if (status) {
+ if (status == -EAGAIN)
+ status = -NFS4ERR_BAD_STATEID;
return status;
+ }

res.dst_fattr = nfs_alloc_fattr();
if (!res.dst_fattr)
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index a7a73b1d1fec..a5db055e2a9b 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -446,9 +446,7 @@ extern void nfs4_schedule_state_renewal(struct nfs_client *);
extern void nfs4_renewd_prepare_shutdown(struct nfs_server *);
extern void nfs4_kill_renewd(struct nfs_client *);
extern void nfs4_renew_state(struct work_struct *);
-extern void nfs4_set_lease_period(struct nfs_client *clp,
- unsigned long lease,
- unsigned long lastrenewed);
+extern void nfs4_set_lease_period(struct nfs_client *clp, unsigned long lease);

/* nfs4state.c */
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 76d37161409a..a2759b4062ae 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3187,6 +3187,11 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir,
exception.retry = 1;
continue;
}
+ if (status == -NFS4ERR_EXPIRED) {
+ nfs4_schedule_lease_recovery(server->nfs_client);
+ exception.retry = 1;
+ continue;
+ }
if (status == -EAGAIN) {
/* We must have found a delegation */
exception.retry = 1;
@@ -3239,6 +3244,8 @@ static int _nfs4_do_setattr(struct inode *inode,
nfs_put_lock_context(l_ctx);
if (status == -EIO)
return -EBADF;
+ else if (status == -EAGAIN)
+ goto zero_stateid;
} else {
zero_stateid:
nfs4_stateid_copy(&arg->stateid, &zero_stateid);
@@ -5019,16 +5026,13 @@ static int nfs4_do_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, str
struct nfs4_exception exception = {
.interruptible = true,
};
- unsigned long now = jiffies;
int err;

do {
err = _nfs4_do_fsinfo(server, fhandle, fsinfo);
trace_nfs4_fsinfo(server, fhandle, fsinfo->fattr, err);
if (err == 0) {
- nfs4_set_lease_period(server->nfs_client,
- fsinfo->lease_time * HZ,
- now);
+ nfs4_set_lease_period(server->nfs_client, fsinfo->lease_time * HZ);
break;
}
err = nfs4_handle_exception(server, err, &exception);
@@ -6084,6 +6088,7 @@ int nfs4_proc_setclientid(struct nfs_client *clp, u32 program,
.callback_data = &setclientid,
.flags = RPC_TASK_TIMEOUT | RPC_TASK_NO_ROUND_ROBIN,
};
+ unsigned long now = jiffies;
int status;

/* nfs_client_id4 */
@@ -6116,6 +6121,9 @@ int nfs4_proc_setclientid(struct nfs_client *clp, u32 program,
clp->cl_acceptor = rpcauth_stringify_acceptor(setclientid.sc_cred);
put_rpccred(setclientid.sc_cred);
}
+
+ if (status == 0)
+ do_renew_lease(clp, now);
out:
trace_nfs4_setclientid(clp, status);
dprintk("NFS reply setclientid: %d\n", status);
@@ -8203,6 +8211,7 @@ static int _nfs4_proc_exchange_id(struct nfs_client *clp, const struct cred *cre
struct rpc_task *task;
struct nfs41_exchange_id_args *argp;
struct nfs41_exchange_id_res *resp;
+ unsigned long now = jiffies;
int status;

task = nfs4_run_exchange_id(clp, cred, sp4_how, NULL);
@@ -8223,6 +8232,8 @@ static int _nfs4_proc_exchange_id(struct nfs_client *clp, const struct cred *cre
if (status != 0)
goto out;

+ do_renew_lease(clp, now);
+
clp->cl_clientid = resp->clientid;
clp->cl_exchange_flags = resp->flags;
clp->cl_seqid = resp->seqid;
diff --git a/fs/nfs/nfs4renewd.c b/fs/nfs/nfs4renewd.c
index 6ea431b067dd..ff876dda7f06 100644
--- a/fs/nfs/nfs4renewd.c
+++ b/fs/nfs/nfs4renewd.c
@@ -138,15 +138,12 @@ nfs4_kill_renewd(struct nfs_client *clp)
*
* @clp: pointer to nfs_client
* @lease: new value for lease period
- * @lastrenewed: time at which lease was last renewed
*/
void nfs4_set_lease_period(struct nfs_client *clp,
- unsigned long lease,
- unsigned long lastrenewed)
+ unsigned long lease)
{
spin_lock(&clp->cl_lock);
clp->cl_lease_time = lease;
- clp->cl_last_renewal = lastrenewed;
spin_unlock(&clp->cl_lock);

/* Cap maximum reconnect timeout at 1/2 lease period */
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 34552329233d..f0b002734355 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -92,17 +92,15 @@ static int nfs4_setup_state_renewal(struct nfs_client *clp)
{
int status;
struct nfs_fsinfo fsinfo;
- unsigned long now;

if (!test_bit(NFS_CS_CHECK_LEASE_TIME, &clp->cl_res_state)) {
nfs4_schedule_state_renewal(clp);
return 0;
}

- now = jiffies;
status = nfs4_proc_get_lease_time(clp, &fsinfo);
if (status == 0) {
- nfs4_set_lease_period(clp, fsinfo.lease_time * HZ, now);
+ nfs4_set_lease_period(clp, fsinfo.lease_time * HZ);
nfs4_schedule_state_renewal(clp);
}

diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h
index e60b6fbd5ada..d405557cb43f 100644
--- a/fs/nfs/nfs4trace.h
+++ b/fs/nfs/nfs4trace.h
@@ -352,7 +352,7 @@ DECLARE_EVENT_CLASS(nfs4_clientid_event,
),

TP_fast_assign(
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__assign_str(dstaddr, clp->cl_hostname);
),

@@ -432,7 +432,8 @@ TRACE_EVENT(nfs4_sequence_done,
__entry->target_highest_slotid =
res->sr_target_highest_slotid;
__entry->status_flags = res->sr_status_flags;
- __entry->error = res->sr_status;
+ __entry->error = res->sr_status < 0 ?
+ -res->sr_status : 0;
),
TP_printk(
"error=%ld (%s) session=0x%08x slot_nr=%u seq_nr=%u "
@@ -640,7 +641,7 @@ TRACE_EVENT(nfs4_state_mgr_failed,
),

TP_fast_assign(
- __entry->error = status;
+ __entry->error = status < 0 ? -status : 0;
__entry->state = clp->cl_state;
__assign_str(hostname, clp->cl_hostname);
__assign_str(section, section);
@@ -659,7 +660,7 @@ TRACE_EVENT(nfs4_xdr_status,
TP_PROTO(
const struct xdr_stream *xdr,
u32 op,
- int error
+ u32 error
),

TP_ARGS(xdr, op, error),
@@ -849,7 +850,7 @@ TRACE_EVENT(nfs4_close,
__entry->fileid = NFS_FILEID(inode);
__entry->fhandle = nfs_fhandle_hash(NFS_FH(inode));
__entry->fmode = (__force unsigned int)state->state;
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__entry->stateid_seq =
be32_to_cpu(args->stateid.seqid);
__entry->stateid_hash =
@@ -914,7 +915,7 @@ DECLARE_EVENT_CLASS(nfs4_lock_event,
TP_fast_assign(
const struct inode *inode = state->inode;

- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__entry->cmd = cmd;
__entry->type = request->fl_type;
__entry->start = request->fl_start;
@@ -986,7 +987,7 @@ TRACE_EVENT(nfs4_set_lock,
TP_fast_assign(
const struct inode *inode = state->inode;

- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__entry->cmd = cmd;
__entry->type = request->fl_type;
__entry->start = request->fl_start;
@@ -1164,7 +1165,7 @@ TRACE_EVENT(nfs4_delegreturn_exit,
TP_fast_assign(
__entry->dev = res->server->s_dev;
__entry->fhandle = nfs_fhandle_hash(args->fhandle);
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__entry->stateid_seq =
be32_to_cpu(args->stateid->seqid);
__entry->stateid_hash =
@@ -1204,7 +1205,7 @@ DECLARE_EVENT_CLASS(nfs4_test_stateid_event,
TP_fast_assign(
const struct inode *inode = state->inode;

- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__entry->dev = inode->i_sb->s_dev;
__entry->fileid = NFS_FILEID(inode);
__entry->fhandle = nfs_fhandle_hash(NFS_FH(inode));
@@ -1306,7 +1307,7 @@ TRACE_EVENT(nfs4_lookupp,
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = NFS_FILEID(inode);
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
),

TP_printk(
@@ -1342,7 +1343,7 @@ TRACE_EVENT(nfs4_rename,
__entry->dev = olddir->i_sb->s_dev;
__entry->olddir = NFS_FILEID(olddir);
__entry->newdir = NFS_FILEID(newdir);
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__assign_str(oldname, oldname->name);
__assign_str(newname, newname->name);
),
@@ -1433,7 +1434,7 @@ DECLARE_EVENT_CLASS(nfs4_inode_stateid_event,
__entry->dev = inode->i_sb->s_dev;
__entry->fileid = NFS_FILEID(inode);
__entry->fhandle = nfs_fhandle_hash(NFS_FH(inode));
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__entry->stateid_seq =
be32_to_cpu(stateid->seqid);
__entry->stateid_hash =
@@ -1489,7 +1490,7 @@ DECLARE_EVENT_CLASS(nfs4_getattr_event,
__entry->valid = fattr->valid;
__entry->fhandle = nfs_fhandle_hash(fhandle);
__entry->fileid = (fattr->valid & NFS_ATTR_FATTR_FILEID) ? fattr->fileid : 0;
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
),

TP_printk(
@@ -1536,7 +1537,7 @@ DECLARE_EVENT_CLASS(nfs4_inode_callback_event,
),

TP_fast_assign(
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__entry->fhandle = nfs_fhandle_hash(fhandle);
if (!IS_ERR_OR_NULL(inode)) {
__entry->fileid = NFS_FILEID(inode);
@@ -1593,7 +1594,7 @@ DECLARE_EVENT_CLASS(nfs4_inode_stateid_callback_event,
),

TP_fast_assign(
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__entry->fhandle = nfs_fhandle_hash(fhandle);
if (!IS_ERR_OR_NULL(inode)) {
__entry->fileid = NFS_FILEID(inode);
@@ -1896,7 +1897,7 @@ TRACE_EVENT(nfs4_layoutget,
__entry->iomode = args->iomode;
__entry->offset = args->offset;
__entry->count = args->length;
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__entry->stateid_seq =
be32_to_cpu(state->stateid.seqid);
__entry->stateid_hash =
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 936c57779ff4..d0feef17db50 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -4313,11 +4313,14 @@ static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifi

static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res)
{
+ struct nfs_writeverf *verf = res->verf;
int status;

status = decode_op_hdr(xdr, OP_COMMIT);
if (!status)
- status = decode_write_verifier(xdr, &res->verf->verifier);
+ status = decode_write_verifier(xdr, &verf->verifier);
+ if (!status)
+ verf->committed = NFS_FILE_SYNC;
return status;
}

diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index cec3070ab577..542ea8dfd1bc 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1425,7 +1425,7 @@ bool pnfs_roc(struct inode *ino,
/* lo ref dropped in pnfs_roc_release() */
layoutreturn = pnfs_prepare_layoutreturn(lo, &stateid, &iomode);
/* If the creds don't match, we can't compound the layoutreturn */
- if (!layoutreturn || cred != lo->plh_lc_cred)
+ if (!layoutreturn || cred_fscmp(cred, lo->plh_lc_cred) != 0)
goto out_noroc;

roc = layoutreturn;
@@ -1998,8 +1998,6 @@ pnfs_update_layout(struct inode *ino,
trace_pnfs_update_layout(ino, pos, count,
iomode, lo, lseg,
PNFS_UPDATE_LAYOUT_INVALID_OPEN);
- if (status != -EAGAIN)
- goto out_unlock;
spin_unlock(&ino->i_lock);
nfs4_schedule_stateid_recovery(server, ctx->state);
pnfs_clear_first_layoutget(lo);
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index 82af4809b869..8b37e7f8e789 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -31,12 +31,11 @@ EXPORT_SYMBOL_GPL(pnfs_generic_rw_release);
/* Fake up some data that will cause nfs_commit_release to retry the writes. */
void pnfs_generic_prepare_to_resend_writes(struct nfs_commit_data *data)
{
- struct nfs_page *first = nfs_list_entry(data->pages.next);
+ struct nfs_writeverf *verf = data->res.verf;

data->task.tk_status = 0;
- memcpy(&data->verf.verifier, &first->wb_verf,
- sizeof(data->verf.verifier));
- data->verf.verifier.data[0]++; /* ensure verifier mismatch */
+ memset(&verf->verifier, 0, sizeof(verf->verifier));
+ verf->committed = NFS_UNSTABLE;
}
EXPORT_SYMBOL_GPL(pnfs_generic_prepare_to_resend_writes);

diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 52cab65f91cf..913eb37c249b 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -243,7 +243,15 @@ static void nfs_grow_file(struct page *page, unsigned int offset, unsigned int c
/* A writeback failed: mark the page as bad, and invalidate the page cache */
static void nfs_set_pageerror(struct address_space *mapping)
{
+ struct inode *inode = mapping->host;
+
nfs_zap_mapping(mapping->host, mapping);
+ /* Force file size revalidation */
+ spin_lock(&inode->i_lock);
+ NFS_I(inode)->cache_validity |= NFS_INO_REVAL_FORCED |
+ NFS_INO_REVAL_PAGECACHE |
+ NFS_INO_INVALID_SIZE;
+ spin_unlock(&inode->i_lock);
}

static void nfs_mapping_set_error(struct page *page, int error)
@@ -1829,6 +1837,7 @@ static void nfs_commit_done(struct rpc_task *task, void *calldata)

static void nfs_commit_release_pages(struct nfs_commit_data *data)
{
+ const struct nfs_writeverf *verf = data->res.verf;
struct nfs_page *req;
int status = data->task.tk_status;
struct nfs_commit_info cinfo;
@@ -1856,7 +1865,8 @@ static void nfs_commit_release_pages(struct nfs_commit_data *data)

/* Okay, COMMIT succeeded, apparently. Check the verifier
* returned by the server against all stored verfs. */
- if (!nfs_write_verifier_cmp(&req->wb_verf, &data->verf.verifier)) {
+ if (verf->committed > NFS_UNSTABLE &&
+ !nfs_write_verifier_cmp(&req->wb_verf, &verf->verifier)) {
/* We have a match */
if (req->wb_page)
nfs_inode_remove_request(req);
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 27200dea0297..a24937fc56b9 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -461,6 +461,11 @@ struct mlx5_vf_context {
int enabled;
u64 port_guid;
u64 node_guid;
+ /* Valid bits are used to validate administrative guid only.
+ * Enabled after ndo_set_vf_guid
+ */
+ u8 port_guid_valid:1;
+ u8 node_guid_valid:1;
enum port_state_policy policy;
};

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 5608e14e3aad..8d0f447e1faa 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -4300,6 +4300,9 @@ static inline int ib_check_mr_access(int flags)
!(flags & IB_ACCESS_LOCAL_WRITE))
return -EINVAL;

+ if (flags & ~IB_ACCESS_SUPPORTED)
+ return -EINVAL;
+
return 0;
}

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 90e4b00ace89..bfe756dee129 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -7100,6 +7100,12 @@ static int cpu_cgroup_css_online(struct cgroup_subsys_state *css)

if (parent)
sched_online_group(tg, parent);
+
+#ifdef CONFIG_UCLAMP_TASK_GROUP
+ /* Propagate the effective uclamp value for the new group */
+ cpu_util_update_eff(css);
+#endif
+
return 0;
}

diff --git a/net/core/bpf_sk_storage.c b/net/core/bpf_sk_storage.c
index 458be6b3eda9..3ab23f698221 100644
--- a/net/core/bpf_sk_storage.c
+++ b/net/core/bpf_sk_storage.c
@@ -643,9 +643,10 @@ static struct bpf_map *bpf_sk_storage_map_alloc(union bpf_attr *attr)
return ERR_PTR(-ENOMEM);
bpf_map_init_from_attr(&smap->map, attr);

+ nbuckets = roundup_pow_of_two(num_possible_cpus());
/* Use at least 2 buckets, select_bucket() is undefined behavior with 1 bucket */
- smap->bucket_log = max_t(u32, 1, ilog2(roundup_pow_of_two(num_possible_cpus())));
- nbuckets = 1U << smap->bucket_log;
+ nbuckets = max_t(u32, 2, nbuckets);
+ smap->bucket_log = ilog2(nbuckets);
cost = sizeof(*smap->buckets) * nbuckets + sizeof(*smap);

ret = bpf_map_charge_init(&smap->map.memory, cost);
diff --git a/net/core/sock_map.c b/net/core/sock_map.c
index 8998e356f423..085cef5857bb 100644
--- a/net/core/sock_map.c
+++ b/net/core/sock_map.c
@@ -234,7 +234,6 @@ static void sock_map_free(struct bpf_map *map)
int i;

synchronize_rcu();
- rcu_read_lock();
raw_spin_lock_bh(&stab->lock);
for (i = 0; i < stab->map.max_entries; i++) {
struct sock **psk = &stab->sks[i];
@@ -243,13 +242,15 @@ static void sock_map_free(struct bpf_map *map)
sk = xchg(psk, NULL);
if (sk) {
lock_sock(sk);
+ rcu_read_lock();
sock_map_unref(sk, psk);
+ rcu_read_unlock();
release_sock(sk);
}
}
raw_spin_unlock_bh(&stab->lock);
- rcu_read_unlock();

+ /* wait for psock readers accessing its map link */
synchronize_rcu();

bpf_map_area_free(stab->sks);
@@ -416,14 +417,16 @@ static int sock_map_update_elem(struct bpf_map *map, void *key,
ret = -EINVAL;
goto out;
}
- if (!sock_map_sk_is_suitable(sk) ||
- sk->sk_state != TCP_ESTABLISHED) {
+ if (!sock_map_sk_is_suitable(sk)) {
ret = -EOPNOTSUPP;
goto out;
}

sock_map_sk_acquire(sk);
- ret = sock_map_update_common(map, idx, sk, flags);
+ if (sk->sk_state != TCP_ESTABLISHED)
+ ret = -EOPNOTSUPP;
+ else
+ ret = sock_map_update_common(map, idx, sk, flags);
sock_map_sk_release(sk);
out:
fput(sock->file);
@@ -739,14 +742,16 @@ static int sock_hash_update_elem(struct bpf_map *map, void *key,
ret = -EINVAL;
goto out;
}
- if (!sock_map_sk_is_suitable(sk) ||
- sk->sk_state != TCP_ESTABLISHED) {
+ if (!sock_map_sk_is_suitable(sk)) {
ret = -EOPNOTSUPP;
goto out;
}

sock_map_sk_acquire(sk);
- ret = sock_hash_update_common(map, key, sk, flags);
+ if (sk->sk_state != TCP_ESTABLISHED)
+ ret = -EOPNOTSUPP;
+ else
+ ret = sock_hash_update_common(map, key, sk, flags);
sock_map_sk_release(sk);
out:
fput(sock->file);
@@ -859,19 +864,22 @@ static void sock_hash_free(struct bpf_map *map)
int i;

synchronize_rcu();
- rcu_read_lock();
for (i = 0; i < htab->buckets_num; i++) {
bucket = sock_hash_select_bucket(htab, i);
raw_spin_lock_bh(&bucket->lock);
hlist_for_each_entry_safe(elem, node, &bucket->head, node) {
hlist_del_rcu(&elem->node);
lock_sock(elem->sk);
+ rcu_read_lock();
sock_map_unref(elem->sk, elem);
+ rcu_read_unlock();
release_sock(elem->sk);
}
raw_spin_unlock_bh(&bucket->lock);
}
- rcu_read_unlock();
+
+ /* wait for psock readers accessing its map link */
+ synchronize_rcu();

bpf_map_area_free(htab->buckets);
kfree(htab);
diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c
index e33a73cb1f42..86eefb613b08 100644
--- a/net/netfilter/nf_flow_table_core.c
+++ b/net/netfilter/nf_flow_table_core.c
@@ -348,9 +348,6 @@ static void nf_flow_offload_gc_step(struct flow_offload *flow, void *data)
{
struct nf_flowtable *flow_table = data;

- if (flow->flags & FLOW_OFFLOAD_HW)
- nf_flow_offload_stats(flow_table, flow);
-
if (nf_flow_has_expired(flow) || nf_ct_is_dying(flow->ct) ||
(flow->flags & (FLOW_OFFLOAD_DYING | FLOW_OFFLOAD_TEARDOWN))) {
if (flow->flags & FLOW_OFFLOAD_HW) {
@@ -361,6 +358,8 @@ static void nf_flow_offload_gc_step(struct flow_offload *flow, void *data)
} else {
flow_offload_del(flow_table, flow);
}
+ } else if (flow->flags & FLOW_OFFLOAD_HW) {
+ nf_flow_offload_stats(flow_table, flow);
}
}

@@ -530,9 +529,9 @@ static void nf_flow_table_do_cleanup(struct flow_offload *flow, void *data)
static void nf_flow_table_iterate_cleanup(struct nf_flowtable *flowtable,
struct net_device *dev)
{
- nf_flow_table_offload_flush(flowtable);
nf_flow_table_iterate(flowtable, nf_flow_table_do_cleanup, dev);
flush_delayed_work(&flowtable->gc_work);
+ nf_flow_table_offload_flush(flowtable);
}

void nf_flow_table_cleanup(struct net_device *dev)
@@ -554,6 +553,7 @@ void nf_flow_table_free(struct nf_flowtable *flow_table)
cancel_delayed_work_sync(&flow_table->gc_work);
nf_flow_table_iterate(flow_table, nf_flow_table_do_cleanup, NULL);
nf_flow_table_iterate(flow_table, nf_flow_offload_gc_step, flow_table);
+ nf_flow_table_offload_flush(flow_table);
rhashtable_destroy(&flow_table->rhashtable);
}
EXPORT_SYMBOL_GPL(nf_flow_table_free);
diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c
index d06969af1085..b879e673953f 100644
--- a/net/netfilter/nf_flow_table_offload.c
+++ b/net/netfilter/nf_flow_table_offload.c
@@ -24,6 +24,7 @@ struct flow_offload_work {
};

struct nf_flow_key {
+ struct flow_dissector_key_meta meta;
struct flow_dissector_key_control control;
struct flow_dissector_key_basic basic;
union {
@@ -55,6 +56,7 @@ static int nf_flow_rule_match(struct nf_flow_match *match,
struct nf_flow_key *mask = &match->mask;
struct nf_flow_key *key = &match->key;

+ NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_META, meta);
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_CONTROL, control);
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_BASIC, basic);
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_IPV4_ADDRS, ipv4);
@@ -62,6 +64,9 @@ static int nf_flow_rule_match(struct nf_flow_match *match,
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_TCP, tcp);
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_PORTS, tp);

+ key->meta.ingress_ifindex = tuple->iifidx;
+ mask->meta.ingress_ifindex = 0xffffffff;
+
switch (tuple->l3proto) {
case AF_INET:
key->control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS;
@@ -105,7 +110,8 @@ static int nf_flow_rule_match(struct nf_flow_match *match,
key->tp.dst = tuple->dst_port;
mask->tp.dst = 0xffff;

- match->dissector.used_keys |= BIT(FLOW_DISSECTOR_KEY_CONTROL) |
+ match->dissector.used_keys |= BIT(FLOW_DISSECTOR_KEY_META) |
+ BIT(FLOW_DISSECTOR_KEY_CONTROL) |
BIT(FLOW_DISSECTOR_KEY_BASIC) |
BIT(FLOW_DISSECTOR_KEY_PORTS);
return 0;
@@ -784,8 +790,7 @@ void nf_flow_offload_stats(struct nf_flowtable *flowtable,
__s32 delta;

delta = nf_flow_timeout_delta(flow->timeout);
- if ((delta >= (9 * NF_FLOW_TIMEOUT) / 10) ||
- flow->flags & FLOW_OFFLOAD_HW_DYING)
+ if ((delta >= (9 * NF_FLOW_TIMEOUT) / 10))
return;

offload = kzalloc(sizeof(struct flow_offload_work), GFP_ATOMIC);
diff --git a/security/selinux/avc.c b/security/selinux/avc.c
index ecd3829996aa..23dc888ae305 100644
--- a/security/selinux/avc.c
+++ b/security/selinux/avc.c
@@ -424,7 +424,7 @@ static inline int avc_xperms_audit(struct selinux_state *state,
if (likely(!audited))
return 0;
return slow_avc_audit(state, ssid, tsid, tclass, requested,
- audited, denied, result, ad, 0);
+ audited, denied, result, ad);
}

static void avc_node_free(struct rcu_head *rhead)
@@ -758,8 +758,7 @@ static void avc_audit_post_callback(struct audit_buffer *ab, void *a)
noinline int slow_avc_audit(struct selinux_state *state,
u32 ssid, u32 tsid, u16 tclass,
u32 requested, u32 audited, u32 denied, int result,
- struct common_audit_data *a,
- unsigned int flags)
+ struct common_audit_data *a)
{
struct common_audit_data stack_data;
struct selinux_audit_data sad;
@@ -772,17 +771,6 @@ noinline int slow_avc_audit(struct selinux_state *state,
a->type = LSM_AUDIT_DATA_NONE;
}

- /*
- * When in a RCU walk do the audit on the RCU retry. This is because
- * the collection of the dname in an inode audit message is not RCU
- * safe. Note this may drop some audits when the situation changes
- * during retry. However this is logically just as if the operation
- * happened a little later.
- */
- if ((a->type == LSM_AUDIT_DATA_INODE) &&
- (flags & MAY_NOT_BLOCK))
- return -ECHILD;
-
sad.tclass = tclass;
sad.requested = requested;
sad.ssid = ssid;
@@ -855,15 +843,14 @@ static int avc_update_node(struct selinux_avc *avc,
/*
* If we are in a non-blocking code path, e.g. VFS RCU walk,
* then we must not add permissions to a cache entry
- * because we cannot safely audit the denial. Otherwise,
+ * because we will not audit the denial. Otherwise,
* during the subsequent blocking retry (e.g. VFS ref walk), we
* will find the permissions already granted in the cache entry
* and won't audit anything at all, leading to silent denials in
* permissive mode that only appear when in enforcing mode.
*
- * See the corresponding handling in slow_avc_audit(), and the
- * logic in selinux_inode_permission for the MAY_NOT_BLOCK flag,
- * which is transliterated into AVC_NONBLOCKING.
+ * See the corresponding handling of MAY_NOT_BLOCK in avc_audit()
+ * and selinux_inode_permission().
*/
if (flags & AVC_NONBLOCKING)
return 0;
@@ -1205,6 +1192,25 @@ int avc_has_perm(struct selinux_state *state, u32 ssid, u32 tsid, u16 tclass,
return rc;
}

+int avc_has_perm_flags(struct selinux_state *state,
+ u32 ssid, u32 tsid, u16 tclass, u32 requested,
+ struct common_audit_data *auditdata,
+ int flags)
+{
+ struct av_decision avd;
+ int rc, rc2;
+
+ rc = avc_has_perm_noaudit(state, ssid, tsid, tclass, requested,
+ (flags & MAY_NOT_BLOCK) ? AVC_NONBLOCKING : 0,
+ &avd);
+
+ rc2 = avc_audit(state, ssid, tsid, tclass, requested, &avd, rc,
+ auditdata, flags);
+ if (rc2)
+ return rc2;
+ return rc;
+}
+
u32 avc_policy_seqno(struct selinux_state *state)
{
return state->avc->avc_cache.latest_notif;
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 116b4d644f68..db44c7eb4321 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2762,6 +2762,14 @@ static int selinux_mount(const char *dev_name,
return path_has_perm(cred, path, FILE__MOUNTON);
}

+static int selinux_move_mount(const struct path *from_path,
+ const struct path *to_path)
+{
+ const struct cred *cred = current_cred();
+
+ return path_has_perm(cred, to_path, FILE__MOUNTON);
+}
+
static int selinux_umount(struct vfsmount *mnt, int flags)
{
const struct cred *cred = current_cred();
@@ -3004,14 +3012,14 @@ static int selinux_inode_follow_link(struct dentry *dentry, struct inode *inode,
if (IS_ERR(isec))
return PTR_ERR(isec);

- return avc_has_perm(&selinux_state,
- sid, isec->sid, isec->sclass, FILE__READ, &ad);
+ return avc_has_perm_flags(&selinux_state,
+ sid, isec->sid, isec->sclass, FILE__READ, &ad,
+ rcu ? MAY_NOT_BLOCK : 0);
}

static noinline int audit_inode_permission(struct inode *inode,
u32 perms, u32 audited, u32 denied,
- int result,
- unsigned flags)
+ int result)
{
struct common_audit_data ad;
struct inode_security_struct *isec = selinux_inode(inode);
@@ -3022,7 +3030,7 @@ static noinline int audit_inode_permission(struct inode *inode,

rc = slow_avc_audit(&selinux_state,
current_sid(), isec->sid, isec->sclass, perms,
- audited, denied, result, &ad, flags);
+ audited, denied, result, &ad);
if (rc)
return rc;
return 0;
@@ -3069,7 +3077,11 @@ static int selinux_inode_permission(struct inode *inode, int mask)
if (likely(!audited))
return rc;

- rc2 = audit_inode_permission(inode, perms, audited, denied, rc, flags);
+ /* fall back to ref-walk if we have to generate audit */
+ if (flags & MAY_NOT_BLOCK)
+ return -ECHILD;
+
+ rc2 = audit_inode_permission(inode, perms, audited, denied, rc);
if (rc2)
return rc2;
return rc;
@@ -6903,6 +6915,8 @@ static struct security_hook_list selinux_hooks[] __lsm_ro_after_init = {
LSM_HOOK_INIT(sb_clone_mnt_opts, selinux_sb_clone_mnt_opts),
LSM_HOOK_INIT(sb_add_mnt_opt, selinux_add_mnt_opt),

+ LSM_HOOK_INIT(move_mount, selinux_move_mount),
+
LSM_HOOK_INIT(dentry_init_security, selinux_dentry_init_security),
LSM_HOOK_INIT(dentry_create_files_as, selinux_dentry_create_files_as),

diff --git a/security/selinux/include/avc.h b/security/selinux/include/avc.h
index 7be0e1e90e8b..cf4cc3ef959b 100644
--- a/security/selinux/include/avc.h
+++ b/security/selinux/include/avc.h
@@ -100,8 +100,7 @@ static inline u32 avc_audit_required(u32 requested,
int slow_avc_audit(struct selinux_state *state,
u32 ssid, u32 tsid, u16 tclass,
u32 requested, u32 audited, u32 denied, int result,
- struct common_audit_data *a,
- unsigned flags);
+ struct common_audit_data *a);

/**
* avc_audit - Audit the granting or denial of permissions.
@@ -135,9 +134,12 @@ static inline int avc_audit(struct selinux_state *state,
audited = avc_audit_required(requested, avd, result, 0, &denied);
if (likely(!audited))
return 0;
+ /* fall back to ref-walk if we have to generate audit */
+ if (flags & MAY_NOT_BLOCK)
+ return -ECHILD;
return slow_avc_audit(state, ssid, tsid, tclass,
requested, audited, denied, result,
- a, flags);
+ a);
}

#define AVC_STRICT 1 /* Ignore permissive mode. */
@@ -153,6 +155,11 @@ int avc_has_perm(struct selinux_state *state,
u32 ssid, u32 tsid,
u16 tclass, u32 requested,
struct common_audit_data *auditdata);
+int avc_has_perm_flags(struct selinux_state *state,
+ u32 ssid, u32 tsid,
+ u16 tclass, u32 requested,
+ struct common_audit_data *auditdata,
+ int flags);

int avc_has_extended_perms(struct selinux_state *state,
u32 ssid, u32 tsid, u16 tclass, u32 requested,
diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c
index a428ff393ea2..2b5f3b1b062b 100644
--- a/sound/soc/soc-generic-dmaengine-pcm.c
+++ b/sound/soc/soc-generic-dmaengine-pcm.c
@@ -117,7 +117,6 @@ dmaengine_pcm_set_runtime_hwparams(struct snd_soc_component *component,
struct dma_chan *chan = pcm->chan[substream->stream];
struct snd_dmaengine_dai_dma_data *dma_data;
struct snd_pcm_hardware hw;
- int ret;

if (pcm->config && pcm->config->pcm_hardware)
return snd_soc_set_runtime_hwparams(substream,
@@ -138,12 +137,15 @@ dmaengine_pcm_set_runtime_hwparams(struct snd_soc_component *component,
if (pcm->flags & SND_DMAENGINE_PCM_FLAG_NO_RESIDUE)
hw.info |= SNDRV_PCM_INFO_BATCH;

- ret = snd_dmaengine_pcm_refine_runtime_hwparams(substream,
- dma_data,
- &hw,
- chan);
- if (ret)
- return ret;
+ /**
+ * FIXME: Remove the return value check to align with the code
+ * before adding snd_dmaengine_pcm_refine_runtime_hwparams
+ * function.
+ */
+ snd_dmaengine_pcm_refine_runtime_hwparams(substream,
+ dma_data,
+ &hw,
+ chan);

return snd_soc_set_runtime_hwparams(substream, &hw);
}
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index 2ce9c5ba1934..9288be1d6bf0 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -500,7 +500,7 @@ static int do_dump(int argc, char **argv)
buf = (unsigned char *)(info->jited_prog_insns);
member_len = info->jited_prog_len;
} else { /* DUMP_XLATED */
- if (info->xlated_prog_len == 0) {
+ if (info->xlated_prog_len == 0 || !info->xlated_prog_insns) {
p_err("error retrieving insn dump: kernel.kptr_restrict set?");
goto err_free;
}
diff --git a/tools/power/acpi/Makefile.config b/tools/power/acpi/Makefile.config
index 0111d246d1ca..54a2857c2510 100644
--- a/tools/power/acpi/Makefile.config
+++ b/tools/power/acpi/Makefile.config
@@ -15,7 +15,7 @@ include $(srctree)/../../scripts/Makefile.include

OUTPUT=$(srctree)/
ifeq ("$(origin O)", "command line")
- OUTPUT := $(O)/power/acpi/
+ OUTPUT := $(O)/tools/power/acpi/
endif
#$(info Determined 'OUTPUT' to be $(OUTPUT))

diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
new file mode 100644
index 000000000000..07f5b462c2ef
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Cloudflare
+
+#include "test_progs.h"
+
+static int connected_socket_v4(void)
+{
+ struct sockaddr_in addr = {
+ .sin_family = AF_INET,
+ .sin_port = htons(80),
+ .sin_addr = { inet_addr("127.0.0.1") },
+ };
+ socklen_t len = sizeof(addr);
+ int s, repair, err;
+
+ s = socket(AF_INET, SOCK_STREAM, 0);
+ if (CHECK_FAIL(s == -1))
+ goto error;
+
+ repair = TCP_REPAIR_ON;
+ err = setsockopt(s, SOL_TCP, TCP_REPAIR, &repair, sizeof(repair));
+ if (CHECK_FAIL(err))
+ goto error;
+
+ err = connect(s, (struct sockaddr *)&addr, len);
+ if (CHECK_FAIL(err))
+ goto error;
+
+ repair = TCP_REPAIR_OFF_NO_WP;
+ err = setsockopt(s, SOL_TCP, TCP_REPAIR, &repair, sizeof(repair));
+ if (CHECK_FAIL(err))
+ goto error;
+
+ return s;
+error:
+ perror(__func__);
+ close(s);
+ return -1;
+}
+
+/* Create a map, populate it with one socket, and free the map. */
+static void test_sockmap_create_update_free(enum bpf_map_type map_type)
+{
+ const int zero = 0;
+ int s, map, err;
+
+ s = connected_socket_v4();
+ if (CHECK_FAIL(s == -1))
+ return;
+
+ map = bpf_create_map(map_type, sizeof(int), sizeof(int), 1, 0);
+ if (CHECK_FAIL(map == -1)) {
+ perror("bpf_create_map");
+ goto out;
+ }
+
+ err = bpf_map_update_elem(map, &zero, &s, BPF_NOEXIST);
+ if (CHECK_FAIL(err)) {
+ perror("bpf_map_update");
+ goto out;
+ }
+
+out:
+ close(map);
+ close(s);
+}
+
+void test_sockmap_basic(void)
+{
+ if (test__start_subtest("sockmap create_update_free"))
+ test_sockmap_create_update_free(BPF_MAP_TYPE_SOCKMAP);
+ if (test__start_subtest("sockhash create_update_free"))
+ test_sockmap_create_update_free(BPF_MAP_TYPE_SOCKHASH);
+}
diff --git a/virt/kvm/arm/aarch32.c b/virt/kvm/arm/aarch32.c
index 631d397ac81b..0a356aa91aa1 100644
--- a/virt/kvm/arm/aarch32.c
+++ b/virt/kvm/arm/aarch32.c
@@ -15,6 +15,10 @@
#include <asm/kvm_emulate.h>
#include <asm/kvm_hyp.h>

+#define DFSR_FSC_EXTABT_LPAE 0x10
+#define DFSR_FSC_EXTABT_nLPAE 0x08
+#define DFSR_LPAE BIT(9)
+
/*
* Table taken from ARMv8 ARM DDI0487B-B, table G1-10.
*/
@@ -181,10 +185,12 @@ static void inject_abt32(struct kvm_vcpu *vcpu, bool is_pabt,

/* Give the guest an IMPLEMENTATION DEFINED exception */
is_lpae = (vcpu_cp15(vcpu, c2_TTBCR) >> 31);
- if (is_lpae)
- *fsr = 1 << 9 | 0x34;
- else
- *fsr = 0x14;
+ if (is_lpae) {
+ *fsr = DFSR_LPAE | DFSR_FSC_EXTABT_LPAE;
+ } else {
+ /* no need to shuffle FS[4] into DFSR[10] as its 0 */
+ *fsr = DFSR_FSC_EXTABT_nLPAE;
+ }
}

void kvm_inject_dabt32(struct kvm_vcpu *vcpu, unsigned long addr)
diff --git a/virt/kvm/arm/arch_timer.c b/virt/kvm/arm/arch_timer.c
index f182b2380345..c6c2a9dde00c 100644
--- a/virt/kvm/arm/arch_timer.c
+++ b/virt/kvm/arm/arch_timer.c
@@ -805,6 +805,7 @@ static u64 kvm_arm_timer_read(struct kvm_vcpu *vcpu,
switch (treg) {
case TIMER_REG_TVAL:
val = timer->cnt_cval - kvm_phys_timer_read() + timer->cntvoff;
+ val &= lower_32_bits(val);
break;

case TIMER_REG_CTL:
@@ -850,7 +851,7 @@ static void kvm_arm_timer_write(struct kvm_vcpu *vcpu,
{
switch (treg) {
case TIMER_REG_TVAL:
- timer->cnt_cval = kvm_phys_timer_read() - timer->cntvoff + val;
+ timer->cnt_cval = kvm_phys_timer_read() - timer->cntvoff + (s32)val;
break;

case TIMER_REG_CTL:
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c
index 0b32a904a1bb..a2777efb558e 100644
--- a/virt/kvm/arm/mmu.c
+++ b/virt/kvm/arm/mmu.c
@@ -2147,7 +2147,8 @@ int kvm_test_age_hva(struct kvm *kvm, unsigned long hva)
if (!kvm->arch.pgd)
return 0;
trace_kvm_test_age_hva(hva);
- return handle_hva_to_gpa(kvm, hva, hva, kvm_test_age_hva_handler, NULL);
+ return handle_hva_to_gpa(kvm, hva, hva + PAGE_SIZE,
+ kvm_test_age_hva_handler, NULL);
}

void kvm_mmu_free_memory_caches(struct kvm_vcpu *vcpu)
diff --git a/virt/kvm/arm/pmu.c b/virt/kvm/arm/pmu.c
index 8731dfeced8b..4c08fd009768 100644
--- a/virt/kvm/arm/pmu.c
+++ b/virt/kvm/arm/pmu.c
@@ -480,25 +480,45 @@ static void kvm_pmu_perf_overflow(struct perf_event *perf_event,
*/
void kvm_pmu_software_increment(struct kvm_vcpu *vcpu, u64 val)
{
+ struct kvm_pmu *pmu = &vcpu->arch.pmu;
int i;
- u64 type, enable, reg;

- if (val == 0)
+ if (!(__vcpu_sys_reg(vcpu, PMCR_EL0) & ARMV8_PMU_PMCR_E))
return;

- enable = __vcpu_sys_reg(vcpu, PMCNTENSET_EL0);
+ /* Weed out disabled counters */
+ val &= __vcpu_sys_reg(vcpu, PMCNTENSET_EL0);
+
for (i = 0; i < ARMV8_PMU_CYCLE_IDX; i++) {
+ u64 type, reg;
+
if (!(val & BIT(i)))
continue;
- type = __vcpu_sys_reg(vcpu, PMEVTYPER0_EL0 + i)
- & ARMV8_PMU_EVTYPE_EVENT;
- if ((type == ARMV8_PMUV3_PERFCTR_SW_INCR)
- && (enable & BIT(i))) {
- reg = __vcpu_sys_reg(vcpu, PMEVCNTR0_EL0 + i) + 1;
+
+ /* PMSWINC only applies to ... SW_INC! */
+ type = __vcpu_sys_reg(vcpu, PMEVTYPER0_EL0 + i);
+ type &= ARMV8_PMU_EVTYPE_EVENT;
+ if (type != ARMV8_PMUV3_PERFCTR_SW_INCR)
+ continue;
+
+ /* increment this even SW_INC counter */
+ reg = __vcpu_sys_reg(vcpu, PMEVCNTR0_EL0 + i) + 1;
+ reg = lower_32_bits(reg);
+ __vcpu_sys_reg(vcpu, PMEVCNTR0_EL0 + i) = reg;
+
+ if (reg) /* no overflow on the low part */
+ continue;
+
+ if (kvm_pmu_pmc_is_chained(&pmu->pmc[i])) {
+ /* increment the high counter */
+ reg = __vcpu_sys_reg(vcpu, PMEVCNTR0_EL0 + i + 1) + 1;
reg = lower_32_bits(reg);
- __vcpu_sys_reg(vcpu, PMEVCNTR0_EL0 + i) = reg;
- if (!reg)
- __vcpu_sys_reg(vcpu, PMOVSSET_EL0) |= BIT(i);
+ __vcpu_sys_reg(vcpu, PMEVCNTR0_EL0 + i + 1) = reg;
+ if (!reg) /* mark overflow on the high counter */
+ __vcpu_sys_reg(vcpu, PMOVSSET_EL0) |= BIT(i + 1);
+ } else {
+ /* mark overflow on low counter */
+ __vcpu_sys_reg(vcpu, PMOVSSET_EL0) |= BIT(i);
}
}
}
diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c
index 98c7360d9fb7..17920d1b350a 100644
--- a/virt/kvm/arm/vgic/vgic-its.c
+++ b/virt/kvm/arm/vgic/vgic-its.c
@@ -2475,7 +2475,8 @@ static int vgic_its_restore_cte(struct vgic_its *its, gpa_t gpa, int esz)
target_addr = (u32)(val >> KVM_ITS_CTE_RDBASE_SHIFT);
coll_id = val & KVM_ITS_CTE_ICID_MASK;

- if (target_addr >= atomic_read(&kvm->online_vcpus))
+ if (target_addr != COLLECTION_NOT_MAPPED &&
+ target_addr >= atomic_read(&kvm->online_vcpus))
return -EINVAL;

collection = find_collection(its, coll_id);

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