Re: [3.13.y.z extended stable] Linux 3.13.11.1

From: Kamal Mostafa
Date: Wed May 07 2014 - 11:58:53 EST

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diff --git a/Documentation/devicetree/bindings/spi/efm32-spi.txt b/Documentation/devicetree/bindings/spi/efm32-spi.txt
index a590ca5..f762e11 100644
--- a/Documentation/devicetree/bindings/spi/efm32-spi.txt
+++ b/Documentation/devicetree/bindings/spi/efm32-spi.txt
@@ -3,7 +3,7 @@
Required properties:
- #address-cells: see spi-bus.txt
- #size-cells: see spi-bus.txt
-- compatible: should be "efm32,spi"
+- compatible: should be "energymicro,efm32-spi"
- reg: Offset and length of the register set for the controller
- interrupts: pair specifying rx and tx irq
- clocks: phandle to the spi clock
@@ -15,7 +15,7 @@ Example:
spi1: spi@0x4000c400 { /* USART1 */
#address-cells = <1>;
#size-cells = <0>;
- compatible = "efm32,spi";
+ compatible = "energymicro,efm32-spi";
reg = <0x4000c400 0x400>;
interrupts = <15 16>;
clocks = <&cmu 20>;
diff --git a/Documentation/video4linux/gspca.txt b/Documentation/video4linux/gspca.txt
index 1e6b653..d2ba80b 100644
--- a/Documentation/video4linux/gspca.txt
+++ b/Documentation/video4linux/gspca.txt
@@ -55,6 +55,7 @@ zc3xx 0458:700f Genius VideoCam Web V2
sonixj 0458:7025 Genius Eye 311Q
sn9c20x 0458:7029 Genius Look 320s
sonixj 0458:702e Genius Slim 310 NB
+sn9c20x 0458:7045 Genius Look 1320 V2
sn9c20x 0458:704a Genius Slim 1320
sn9c20x 0458:704c Genius i-Look 1321
sn9c20x 045e:00f4 LifeCam VX-6000 (SN9C20x + OV9650)
diff --git a/Makefile b/Makefile
index e7d3c5b..fbbd05f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
VERSION = 3
PATCHLEVEL = 13
SUBLEVEL = 11
-EXTRAVERSION =
-NAME = One Giant Leap for Frogkind
+EXTRAVERSION = 1
+NAME = King of Alienated Frog Porn

# *DOCUMENTATION*
# To see a list of typical targets execute "make help"
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 47085a0..31e1f44 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -871,7 +871,7 @@ config ARCH_MULTI_V5
bool "ARMv5 based platforms (ARM926T, XSCALE, PJ1, ...)"
depends on !ARCH_MULTI_V6_V7
select ARCH_MULTI_V4_V5
- select CPU_ARM926T if (!CPU_ARM946E || CPU_ARM1020 || \
+ select CPU_ARM926T if !(CPU_ARM946E || CPU_ARM1020 || \
CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || \
CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_FEROCEON)

diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index f6d8ffe..bb98f30 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -422,7 +422,7 @@
ti,hwmods = "usb_otg_hs";
status = "disabled";

- usb_ctrl_mod: control@44e10000 {
+ usb_ctrl_mod: control@44e10620 {
compatible = "ti,am335x-usb-ctrl-module";
reg = <0x44e10620 0x10
0x44e10648 0x4>;
@@ -525,7 +525,7 @@
"tx14", "tx15";
};

- cppi41dma: dma-controller@07402000 {
+ cppi41dma: dma-controller@47402000 {
compatible = "ti,am3359-cppi41";
reg = <0x47400000 0x1000
0x47402000 0x1000
diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
index 6845270..9f66754 100644
--- a/arch/arm/boot/dts/exynos5250-arndale.dts
+++ b/arch/arm/boot/dts/exynos5250-arndale.dts
@@ -286,6 +286,7 @@
regulator-name = "vdd_g3d";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
+ regulator-always-on;
regulator-boot-on;
op_mode = <1>;
};
diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h
index e42cf59..2aff798 100644
--- a/arch/arm/include/asm/futex.h
+++ b/arch/arm/include/asm/futex.h
@@ -3,11 +3,6 @@

#ifdef __KERNEL__

-#if defined(CONFIG_CPU_USE_DOMAINS) && defined(CONFIG_SMP)
-/* ARM doesn't provide unprivileged exclusive memory accessors */
-#include <asm-generic/futex.h>
-#else
-
#include <linux/futex.h>
#include <linux/uaccess.h>
#include <asm/errno.h>
@@ -164,6 +159,5 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
return ret;
}

-#endif /* !(CPU_USE_DOMAINS && SMP) */
#endif /* __KERNEL__ */
#endif /* _ASM_ARM_FUTEX_H */
diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h
index 86a659a..daba57e 100644
--- a/arch/arm/include/asm/pgtable-2level.h
+++ b/arch/arm/include/asm/pgtable-2level.h
@@ -140,6 +140,7 @@
#define L_PTE_MT_DEV_NONSHARED (_AT(pteval_t, 0x0c) << 2) /* 1100 */
#define L_PTE_MT_DEV_WC (_AT(pteval_t, 0x09) << 2) /* 1001 */
#define L_PTE_MT_DEV_CACHED (_AT(pteval_t, 0x0b) << 2) /* 1011 */
+#define L_PTE_MT_VECTORS (_AT(pteval_t, 0x0f) << 2) /* 1111 */
#define L_PTE_MT_MASK (_AT(pteval_t, 0x0f) << 2)

#ifndef __ASSEMBLY__
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index e022a86..6037a9a 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -222,6 +222,7 @@ void __init ti81xx_init_irq(void)
static inline void omap_intc_handle_irq(void __iomem *base_addr, struct pt_regs *regs)
{
u32 irqnr;
+ int handled_irq = 0;

do {
irqnr = readl_relaxed(base_addr + 0x98);
@@ -249,8 +250,15 @@ out:
if (irqnr) {
irqnr = irq_find_mapping(domain, irqnr);
handle_IRQ(irqnr, regs);
+ handled_irq = 1;
}
} while (irqnr);
+
+ /* If an irq is masked or deasserted while active, we will
+ * keep ending up here with no irq handled. So remove it from
+ * the INTC with an ack.*/
+ if (!handled_irq)
+ omap_ack_irq(NULL);
}

asmlinkage void __exception_irq_entry omap2_intc_handle_irq(struct pt_regs *regs)
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 1f8fed9..ca8ecde 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -446,7 +446,6 @@ config CPU_32v5

config CPU_32v6
bool
- select CPU_USE_DOMAINS if CPU_V6 && MMU
select TLS_REG_EMUL if !CPU_32v6K && !MMU

config CPU_32v6K
@@ -671,7 +670,7 @@ config ARM_VIRT_EXT

config SWP_EMULATE
bool "Emulate SWP/SWPB instructions"
- depends on !CPU_USE_DOMAINS && CPU_V7
+ depends on CPU_V7
default y if SMP
select HAVE_PROC_CPU if PROC_FS
help
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 911d433..dd0949f 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -466,6 +466,16 @@ static void __init build_mem_type_table(void)
s2_device_pgprot = mem_types[MT_DEVICE].prot_pte_s2;

/*
+ * We don't use domains on ARMv6 (since this causes problems with
+ * v6/v7 kernels), so we must use a separate memory type for user
+ * r/o, kernel r/w to map the vectors page.
+ */
+#ifndef CONFIG_ARM_LPAE
+ if (cpu_arch == CPU_ARCH_ARMv6)
+ vecs_pgprot |= L_PTE_MT_VECTORS;
+#endif
+
+ /*
* ARMv6 and above have extended page tables.
*/
if (cpu_arch >= CPU_ARCH_ARMv6 && (cr & CR_XP)) {
diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S
index e3c48a3..ee1d805 100644
--- a/arch/arm/mm/proc-macros.S
+++ b/arch/arm/mm/proc-macros.S
@@ -112,13 +112,9 @@
* 100x 1 0 1 r/o no acc
* 10x0 1 0 1 r/o no acc
* 1011 0 0 1 r/w no acc
- * 110x 0 1 0 r/w r/o
- * 11x0 0 1 0 r/w r/o
- * 1111 0 1 1 r/w r/w
- *
- * If !CONFIG_CPU_USE_DOMAINS, the following permissions are changed:
* 110x 1 1 1 r/o r/o
* 11x0 1 1 1 r/o r/o
+ * 1111 0 1 1 r/w r/w
*/
.macro armv6_mt_table pfx
\pfx\()_mt_table:
@@ -137,7 +133,7 @@
.long PTE_EXT_TEX(2) @ L_PTE_MT_DEV_NONSHARED
.long 0x00 @ unused
.long 0x00 @ unused
- .long 0x00 @ unused
+ .long PTE_CACHEABLE | PTE_BUFFERABLE | PTE_EXT_APX @ L_PTE_MT_VECTORS
.endm

.macro armv6_set_pte_ext pfx
@@ -158,24 +154,21 @@

tst r1, #L_PTE_USER
orrne r3, r3, #PTE_EXT_AP1
-#ifdef CONFIG_CPU_USE_DOMAINS
- @ allow kernel read/write access to read-only user pages
tstne r3, #PTE_EXT_APX
- bicne r3, r3, #PTE_EXT_APX | PTE_EXT_AP0
-#endif
+
+ @ user read-only -> kernel read-only
+ bicne r3, r3, #PTE_EXT_AP0

tst r1, #L_PTE_XN
orrne r3, r3, #PTE_EXT_XN

- orr r3, r3, r2
+ eor r3, r3, r2

tst r1, #L_PTE_YOUNG
tstne r1, #L_PTE_PRESENT
moveq r3, #0
-#ifndef CONFIG_CPU_USE_DOMAINS
tstne r1, #L_PTE_NONE
movne r3, #0
-#endif

str r3, [r0]
mcr p15, 0, r0, c7, c10, 1 @ flush_pte
diff --git a/arch/arm/mm/proc-v7-2level.S b/arch/arm/mm/proc-v7-2level.S
index bdd3be4..1f52915 100644
--- a/arch/arm/mm/proc-v7-2level.S
+++ b/arch/arm/mm/proc-v7-2level.S
@@ -90,21 +90,14 @@ ENTRY(cpu_v7_set_pte_ext)

tst r1, #L_PTE_USER
orrne r3, r3, #PTE_EXT_AP1
-#ifdef CONFIG_CPU_USE_DOMAINS
- @ allow kernel read/write access to read-only user pages
- tstne r3, #PTE_EXT_APX
- bicne r3, r3, #PTE_EXT_APX | PTE_EXT_AP0
-#endif

tst r1, #L_PTE_XN
orrne r3, r3, #PTE_EXT_XN

tst r1, #L_PTE_YOUNG
tstne r1, #L_PTE_VALID
-#ifndef CONFIG_CPU_USE_DOMAINS
eorne r1, r1, #L_PTE_NONE
tstne r1, #L_PTE_NONE
-#endif
moveq r3, #0

ARM( str r3, [r0, #2048]! )
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 2c121f7..322fe5b 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -168,7 +168,7 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte)
{
if (pte_valid_user(pte)) {
- if (pte_exec(pte))
+ if (!pte_special(pte) && pte_exec(pte))
__sync_icache_dcache(pte, addr);
if (!pte_dirty(pte))
pte = pte_wrprotect(pte);
@@ -253,11 +253,11 @@ static inline int has_transparent_hugepage(void)
* Mark the prot value as uncacheable and unbufferable.
*/
#define pgprot_noncached(prot) \
- __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_DEVICE_nGnRnE))
+ __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_DEVICE_nGnRnE) | PTE_PXN | PTE_UXN)
#define pgprot_writecombine(prot) \
- __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_NORMAL_NC))
+ __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_NORMAL_NC) | PTE_PXN | PTE_UXN)
#define pgprot_dmacoherent(prot) \
- __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_NORMAL_NC))
+ __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_NORMAL_NC) | PTE_PXN | PTE_UXN)
#define __HAVE_PHYS_MEM_ACCESS_PROT
struct file;
extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
diff --git a/arch/mips/kvm/kvm_mips_emul.c b/arch/mips/kvm/kvm_mips_emul.c
index 4b6274b..e75ef82 100644
--- a/arch/mips/kvm/kvm_mips_emul.c
+++ b/arch/mips/kvm/kvm_mips_emul.c
@@ -1571,17 +1571,17 @@ kvm_mips_handle_ri(unsigned long cause, uint32_t *opc,
arch->gprs[rt] = kvm_read_c0_guest_userlocal(cop0);
#else
/* UserLocal not implemented */
- er = kvm_mips_emulate_ri_exc(cause, opc, run, vcpu);
+ er = EMULATE_FAIL;
#endif
break;

default:
- printk("RDHWR not supported\n");
+ kvm_debug("RDHWR %#x not supported @ %p\n", rd, opc);
er = EMULATE_FAIL;
break;
}
} else {
- printk("Emulate RI not supported @ %p: %#x\n", opc, inst);
+ kvm_debug("Emulate RI not supported @ %p: %#x\n", opc, inst);
er = EMULATE_FAIL;
}

@@ -1590,6 +1590,7 @@ kvm_mips_handle_ri(unsigned long cause, uint32_t *opc,
*/
if (er == EMULATE_FAIL) {
vcpu->arch.pc = curr_pc;
+ er = kvm_mips_emulate_ri_exc(cause, opc, run, vcpu);
}
return er;
}
diff --git a/arch/mips/power/hibernate.S b/arch/mips/power/hibernate.S
index 7e0277a..32a7c82 100644
--- a/arch/mips/power/hibernate.S
+++ b/arch/mips/power/hibernate.S
@@ -43,6 +43,7 @@ LEAF(swsusp_arch_resume)
bne t1, t3, 1b
PTR_L t0, PBE_NEXT(t0)
bnez t0, 0b
+ jal local_flush_tlb_all /* Avoid TLB mismatch after kernel resume */
PTR_LA t0, saved_regs
PTR_L ra, PT_R31(t0)
PTR_L sp, PT_R29(t0)
diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
index a613d2c..b142b8e 100644
--- a/arch/powerpc/include/asm/compat.h
+++ b/arch/powerpc/include/asm/compat.h
@@ -8,7 +8,11 @@
#include <linux/sched.h>

#define COMPAT_USER_HZ 100
+#ifdef __BIG_ENDIAN__
#define COMPAT_UTS_MACHINE "ppc\0\0"
+#else
+#define COMPAT_UTS_MACHINE "ppcle\0\0"
+#endif

typedef u32 compat_size_t;
typedef s32 compat_ssize_t;
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index ea2f6a3..c274355 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -526,6 +526,31 @@ out_and_saveregs:
tm_save_sprs(thr);
}

+extern void __tm_recheckpoint(struct thread_struct *thread,
+ unsigned long orig_msr);
+
+void tm_recheckpoint(struct thread_struct *thread,
+ unsigned long orig_msr)
+{
+ unsigned long flags;
+
+ /* We really can't be interrupted here as the TEXASR registers can't
+ * change and later in the trecheckpoint code, we have a userspace R1.
+ * So let's hard disable over this region.
+ */
+ local_irq_save(flags);
+ hard_irq_disable();
+
+ /* The TM SPRs are restored here, so that TEXASR.FS can be set
+ * before the trecheckpoint and no explosion occurs.
+ */
+ tm_restore_sprs(thread);
+
+ __tm_recheckpoint(thread, orig_msr);
+
+ local_irq_restore(flags);
+}
+
static inline void tm_recheckpoint_new_task(struct task_struct *new)
{
unsigned long msr;
@@ -544,13 +569,10 @@ static inline void tm_recheckpoint_new_task(struct task_struct *new)
if (!new->thread.regs)
return;

- /* The TM SPRs are restored here, so that TEXASR.FS can be set
- * before the trecheckpoint and no explosion occurs.
- */
- tm_restore_sprs(&new->thread);
-
- if (!MSR_TM_ACTIVE(new->thread.regs->msr))
+ if (!MSR_TM_ACTIVE(new->thread.regs->msr)){
+ tm_restore_sprs(&new->thread);
return;
+ }
msr = new->thread.tm_orig_msr;
/* Recheckpoint to restore original checkpointed register state. */
TM_DEBUG("*** tm_recheckpoint of pid %d "
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 68027bf..c5e5854 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -874,6 +874,8 @@ static long restore_tm_user_regs(struct pt_regs *regs,
* transactional versions should be loaded.
*/
tm_enable();
+ /* Make sure the transaction is marked as failed */
+ current->thread.tm_texasr |= TEXASR_FS;
/* This loads the checkpointed FP/VEC state, if used */
tm_recheckpoint(&current->thread, msr);
/* Get the top half of the MSR */
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index 448245f..96fb6c8 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -520,6 +520,8 @@ static long restore_tm_sigcontexts(struct pt_regs *regs,
}
#endif
tm_enable();
+ /* Make sure the transaction is marked as failed */
+ current->thread.tm_texasr |= TEXASR_FS;
/* This loads the checkpointed FP/VEC state, if used */
tm_recheckpoint(&current->thread, msr);

diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S
index ef47bcb..03567c0 100644
--- a/arch/powerpc/kernel/tm.S
+++ b/arch/powerpc/kernel/tm.S
@@ -307,7 +307,7 @@ dont_backup_fp:
* Call with IRQs off, stacks get all out of sync for
* some periods in here!
*/
-_GLOBAL(tm_recheckpoint)
+_GLOBAL(__tm_recheckpoint)
mfcr r5
mflr r0
stw r5, 8(r1)
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index edeac10..992b089 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -85,7 +85,7 @@ static void kvmppc_fast_vcpu_kick_hv(struct kvm_vcpu *vcpu)

/* CPU points to the first thread of the core */
if (cpu != me && cpu >= 0 && cpu < nr_cpu_ids) {
-#ifdef CONFIG_KVM_XICS
+#ifdef CONFIG_PPC_ICP_NATIVE
int real_cpu = cpu + vcpu->arch.ptid;
if (paca[real_cpu].kvm_hstate.xics_phys)
xics_wake_cpu(real_cpu);
@@ -1192,9 +1192,7 @@ static void kvmppc_start_thread(struct kvm_vcpu *vcpu)
smp_wmb();
#if defined(CONFIG_PPC_ICP_NATIVE) && defined(CONFIG_SMP)
if (vcpu->arch.ptid) {
-#ifdef CONFIG_KVM_XICS
xics_wake_cpu(cpu);
-#endif
++vc->n_woken;
}
#endif
diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index fa9aaf7..1d47061 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -15,23 +15,29 @@

#include <linux/compiler.h>
#include <linux/types.h>
+#include <asm/barrier.h>
#include <asm/cmpxchg.h>

#define ATOMIC_INIT(i) { (i) }

+#define __ATOMIC_NO_BARRIER "\n"
+
#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES

#define __ATOMIC_OR "lao"
#define __ATOMIC_AND "lan"
#define __ATOMIC_ADD "laa"
+#define __ATOMIC_BARRIER "bcr 14,0\n"

-#define __ATOMIC_LOOP(ptr, op_val, op_string) \
+#define __ATOMIC_LOOP(ptr, op_val, op_string, __barrier) \
({ \
int old_val; \
\
typecheck(atomic_t *, ptr); \
asm volatile( \
+ __barrier \
op_string " %0,%2,%1\n" \
+ __barrier \
: "=d" (old_val), "+Q" ((ptr)->counter) \
: "d" (op_val) \
: "cc", "memory"); \
@@ -43,8 +49,9 @@
#define __ATOMIC_OR "or"
#define __ATOMIC_AND "nr"
#define __ATOMIC_ADD "ar"
+#define __ATOMIC_BARRIER "\n"

-#define __ATOMIC_LOOP(ptr, op_val, op_string) \
+#define __ATOMIC_LOOP(ptr, op_val, op_string, __barrier) \
({ \
int old_val, new_val; \
\
@@ -82,7 +89,7 @@ static inline void atomic_set(atomic_t *v, int i)

static inline int atomic_add_return(int i, atomic_t *v)
{
- return __ATOMIC_LOOP(v, i, __ATOMIC_ADD) + i;
+ return __ATOMIC_LOOP(v, i, __ATOMIC_ADD, __ATOMIC_BARRIER) + i;
}

static inline void atomic_add(int i, atomic_t *v)
@@ -94,12 +101,10 @@ static inline void atomic_add(int i, atomic_t *v)
: "+Q" (v->counter)
: "i" (i)
: "cc", "memory");
- } else {
- atomic_add_return(i, v);
+ return;
}
-#else
- atomic_add_return(i, v);
#endif
+ __ATOMIC_LOOP(v, i, __ATOMIC_ADD, __ATOMIC_NO_BARRIER);
}

#define atomic_add_negative(_i, _v) (atomic_add_return(_i, _v) < 0)
@@ -115,12 +120,12 @@ static inline void atomic_add(int i, atomic_t *v)

static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
{
- __ATOMIC_LOOP(v, ~mask, __ATOMIC_AND);
+ __ATOMIC_LOOP(v, ~mask, __ATOMIC_AND, __ATOMIC_NO_BARRIER);
}

static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
{
- __ATOMIC_LOOP(v, mask, __ATOMIC_OR);
+ __ATOMIC_LOOP(v, mask, __ATOMIC_OR, __ATOMIC_NO_BARRIER);
}

#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
@@ -157,19 +162,24 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)

#ifdef CONFIG_64BIT

+#define __ATOMIC64_NO_BARRIER "\n"
+
#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES

#define __ATOMIC64_OR "laog"
#define __ATOMIC64_AND "lang"
#define __ATOMIC64_ADD "laag"
+#define __ATOMIC64_BARRIER "bcr 14,0\n"

-#define __ATOMIC64_LOOP(ptr, op_val, op_string) \
+#define __ATOMIC64_LOOP(ptr, op_val, op_string, __barrier) \
({ \
long long old_val; \
\
typecheck(atomic64_t *, ptr); \
asm volatile( \
+ __barrier \
op_string " %0,%2,%1\n" \
+ __barrier \
: "=d" (old_val), "+Q" ((ptr)->counter) \
: "d" (op_val) \
: "cc", "memory"); \
@@ -181,8 +191,9 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
#define __ATOMIC64_OR "ogr"
#define __ATOMIC64_AND "ngr"
#define __ATOMIC64_ADD "agr"
+#define __ATOMIC64_BARRIER "\n"

-#define __ATOMIC64_LOOP(ptr, op_val, op_string) \
+#define __ATOMIC64_LOOP(ptr, op_val, op_string, __barrier) \
({ \
long long old_val, new_val; \
\
@@ -220,17 +231,32 @@ static inline void atomic64_set(atomic64_t *v, long long i)

static inline long long atomic64_add_return(long long i, atomic64_t *v)
{
- return __ATOMIC64_LOOP(v, i, __ATOMIC64_ADD) + i;
+ return __ATOMIC64_LOOP(v, i, __ATOMIC64_ADD, __ATOMIC64_BARRIER) + i;
+}
+
+static inline void atomic64_add(long long i, atomic64_t *v)
+{
+#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
+ if (__builtin_constant_p(i) && (i > -129) && (i < 128)) {
+ asm volatile(
+ "agsi %0,%1\n"
+ : "+Q" (v->counter)
+ : "i" (i)
+ : "cc", "memory");
+ return;
+ }
+#endif
+ __ATOMIC64_LOOP(v, i, __ATOMIC64_ADD, __ATOMIC64_NO_BARRIER);
}

static inline void atomic64_clear_mask(unsigned long mask, atomic64_t *v)
{
- __ATOMIC64_LOOP(v, ~mask, __ATOMIC64_AND);
+ __ATOMIC64_LOOP(v, ~mask, __ATOMIC64_AND, __ATOMIC64_NO_BARRIER);
}

static inline void atomic64_set_mask(unsigned long mask, atomic64_t *v)
{
- __ATOMIC64_LOOP(v, mask, __ATOMIC64_OR);
+ __ATOMIC64_LOOP(v, mask, __ATOMIC64_OR, __ATOMIC64_NO_BARRIER);
}

#define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
@@ -334,25 +360,13 @@ static inline void atomic64_clear_mask(unsigned long long mask, atomic64_t *v)
} while (atomic64_cmpxchg(v, old, new) != old);
}

-#endif /* CONFIG_64BIT */
-
static inline void atomic64_add(long long i, atomic64_t *v)
{
-#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
- if (__builtin_constant_p(i) && (i > -129) && (i < 128)) {
- asm volatile(
- "agsi %0,%1\n"
- : "+Q" (v->counter)
- : "i" (i)
- : "cc", "memory");
- } else {
- atomic64_add_return(i, v);
- }
-#else
atomic64_add_return(i, v);
-#endif
}

+#endif /* CONFIG_64BIT */
+
static inline int atomic64_add_unless(atomic64_t *v, long long i, long long u)
{
long long c, old;
diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h
index 6e6ad06..4e20612 100644
--- a/arch/s390/include/asm/bitops.h
+++ b/arch/s390/include/asm/bitops.h
@@ -47,14 +47,18 @@

#include <linux/typecheck.h>
#include <linux/compiler.h>
+#include <asm/barrier.h>
+
+#define __BITOPS_NO_BARRIER "\n"

#ifndef CONFIG_64BIT

#define __BITOPS_OR "or"
#define __BITOPS_AND "nr"
#define __BITOPS_XOR "xr"
+#define __BITOPS_BARRIER "\n"

-#define __BITOPS_LOOP(__addr, __val, __op_string) \
+#define __BITOPS_LOOP(__addr, __val, __op_string, __barrier) \
({ \
unsigned long __old, __new; \
\
@@ -67,7 +71,7 @@
" jl 0b" \
: "=&d" (__old), "=&d" (__new), "+Q" (*(__addr))\
: "d" (__val) \
- : "cc"); \
+ : "cc", "memory"); \
__old; \
})

@@ -78,17 +82,20 @@
#define __BITOPS_OR "laog"
#define __BITOPS_AND "lang"
#define __BITOPS_XOR "laxg"
+#define __BITOPS_BARRIER "bcr 14,0\n"

-#define __BITOPS_LOOP(__addr, __val, __op_string) \
+#define __BITOPS_LOOP(__addr, __val, __op_string, __barrier) \
({ \
unsigned long __old; \
\
typecheck(unsigned long *, (__addr)); \
asm volatile( \
+ __barrier \
__op_string " %0,%2,%1\n" \
+ __barrier \
: "=d" (__old), "+Q" (*(__addr)) \
: "d" (__val) \
- : "cc"); \
+ : "cc", "memory"); \
__old; \
})

@@ -97,8 +104,9 @@
#define __BITOPS_OR "ogr"
#define __BITOPS_AND "ngr"
#define __BITOPS_XOR "xgr"
+#define __BITOPS_BARRIER "\n"

-#define __BITOPS_LOOP(__addr, __val, __op_string) \
+#define __BITOPS_LOOP(__addr, __val, __op_string, __barrier) \
({ \
unsigned long __old, __new; \
\
@@ -111,7 +119,7 @@
" jl 0b" \
: "=&d" (__old), "=&d" (__new), "+Q" (*(__addr))\
: "d" (__val) \
- : "cc"); \
+ : "cc", "memory"); \
__old; \
})

@@ -149,12 +157,12 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *ptr)
"oi %0,%b1\n"
: "+Q" (*caddr)
: "i" (1 << (nr & 7))
- : "cc");
+ : "cc", "memory");
return;
}
#endif
mask = 1UL << (nr & (BITS_PER_LONG - 1));
- __BITOPS_LOOP(addr, mask, __BITOPS_OR);
+ __BITOPS_LOOP(addr, mask, __BITOPS_OR, __BITOPS_NO_BARRIER);
}

static inline void clear_bit(unsigned long nr, volatile unsigned long *ptr)
@@ -170,12 +178,12 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *ptr)
"ni %0,%b1\n"
: "+Q" (*caddr)
: "i" (~(1 << (nr & 7)))
- : "cc");
+ : "cc", "memory");
return;
}
#endif
mask = ~(1UL << (nr & (BITS_PER_LONG - 1)));
- __BITOPS_LOOP(addr, mask, __BITOPS_AND);
+ __BITOPS_LOOP(addr, mask, __BITOPS_AND, __BITOPS_NO_BARRIER);
}

static inline void change_bit(unsigned long nr, volatile unsigned long *ptr)
@@ -191,12 +199,12 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *ptr)
"xi %0,%b1\n"
: "+Q" (*caddr)
: "i" (1 << (nr & 7))
- : "cc");
+ : "cc", "memory");
return;
}
#endif
mask = 1UL << (nr & (BITS_PER_LONG - 1));
- __BITOPS_LOOP(addr, mask, __BITOPS_XOR);
+ __BITOPS_LOOP(addr, mask, __BITOPS_XOR, __BITOPS_NO_BARRIER);
}

static inline int
@@ -206,8 +214,7 @@ test_and_set_bit(unsigned long nr, volatile unsigned long *ptr)
unsigned long old, mask;

mask = 1UL << (nr & (BITS_PER_LONG - 1));
- old = __BITOPS_LOOP(addr, mask, __BITOPS_OR);
- barrier();
+ old = __BITOPS_LOOP(addr, mask, __BITOPS_OR, __BITOPS_BARRIER);
return (old & mask) != 0;
}

@@ -218,8 +225,7 @@ test_and_clear_bit(unsigned long nr, volatile unsigned long *ptr)
unsigned long old, mask;

mask = ~(1UL << (nr & (BITS_PER_LONG - 1)));
- old = __BITOPS_LOOP(addr, mask, __BITOPS_AND);
- barrier();
+ old = __BITOPS_LOOP(addr, mask, __BITOPS_AND, __BITOPS_BARRIER);
return (old & ~mask) != 0;
}

@@ -230,8 +236,7 @@ test_and_change_bit(unsigned long nr, volatile unsigned long *ptr)
unsigned long old, mask;

mask = 1UL << (nr & (BITS_PER_LONG - 1));
- old = __BITOPS_LOOP(addr, mask, __BITOPS_XOR);
- barrier();
+ old = __BITOPS_LOOP(addr, mask, __BITOPS_XOR, __BITOPS_BARRIER);
return (old & mask) != 0;
}

diff --git a/arch/s390/include/asm/ccwdev.h b/arch/s390/include/asm/ccwdev.h
index f201af8..31b5ca8 100644
--- a/arch/s390/include/asm/ccwdev.h
+++ b/arch/s390/include/asm/ccwdev.h
@@ -219,7 +219,7 @@ extern void ccw_device_get_id(struct ccw_device *, struct ccw_dev_id *);
#define to_ccwdev(n) container_of(n, struct ccw_device, dev)
#define to_ccwdrv(n) container_of(n, struct ccw_driver, driver)

-extern struct ccw_device *ccw_device_probe_console(void);
+extern struct ccw_device *ccw_device_probe_console(struct ccw_driver *);
extern void ccw_device_wait_idle(struct ccw_device *);
extern int ccw_device_force_console(struct ccw_device *);

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index bb383df..bfe7726 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -746,7 +746,8 @@ static int vcpu_post_run(struct kvm_vcpu *vcpu, int exit_reason)

if (rc == 0) {
if (kvm_is_ucontrol(vcpu->kvm))
- rc = -EOPNOTSUPP;
+ /* Don't exit for host interrupts. */
+ rc = vcpu->arch.sie_block->icptcode ? -EOPNOTSUPP : 0;
else
rc = kvm_handle_sie_intercept(vcpu);
}
diff --git a/arch/sh/kernel/dumpstack.c b/arch/sh/kernel/dumpstack.c
index b959f55..8dfe645 100644
--- a/arch/sh/kernel/dumpstack.c
+++ b/arch/sh/kernel/dumpstack.c
@@ -115,7 +115,7 @@ static int print_trace_stack(void *data, char *name)
*/
static void print_trace_address(void *data, unsigned long addr, int reliable)
{
- printk(data);
+ printk("%s", (char *)data);
printk_address(addr, reliable);
}

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 89270b4..1e49a03 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -216,9 +216,13 @@
#define X86_FEATURE_ERMS (9*32+ 9) /* Enhanced REP MOVSB/STOSB */
#define X86_FEATURE_INVPCID (9*32+10) /* Invalidate Processor Context ID */
#define X86_FEATURE_RTM (9*32+11) /* Restricted Transactional Memory */
+#define X86_FEATURE_AVX512F (9*32+16) /* AVX-512 Foundation */
#define X86_FEATURE_RDSEED (9*32+18) /* The RDSEED instruction */
#define X86_FEATURE_ADX (9*32+19) /* The ADCX and ADOX instructions */
#define X86_FEATURE_SMAP (9*32+20) /* Supervisor Mode Access Prevention */
+#define X86_FEATURE_AVX512PF (9*32+26) /* AVX-512 Prefetch */
+#define X86_FEATURE_AVX512ER (9*32+27) /* AVX-512 Exponential and Reciprocal */
+#define X86_FEATURE_AVX512CD (9*32+28) /* AVX-512 Conflict Detection */

/*
* BUG word(s)
diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h
index 0415cda..0b651f9 100644
--- a/arch/x86/include/asm/xsave.h
+++ b/arch/x86/include/asm/xsave.h
@@ -6,9 +6,14 @@

#define XSTATE_CPUID 0x0000000d

-#define XSTATE_FP 0x1
-#define XSTATE_SSE 0x2
-#define XSTATE_YMM 0x4
+#define XSTATE_FP 0x1
+#define XSTATE_SSE 0x2
+#define XSTATE_YMM 0x4
+#define XSTATE_BNDREGS 0x8
+#define XSTATE_BNDCSR 0x10
+#define XSTATE_OPMASK 0x20
+#define XSTATE_ZMM_Hi256 0x40
+#define XSTATE_Hi16_ZMM 0x80

#define XSTATE_FPSSE (XSTATE_FP | XSTATE_SSE)

@@ -23,7 +28,7 @@
/*
* These are the features that the OS can handle currently.
*/
-#define XCNTXT_MASK (XSTATE_FP | XSTATE_SSE | XSTATE_YMM)
+#define XCNTXT_MASK (XSTATE_FP | XSTATE_SSE | XSTATE_YMM | XSTATE_OPMASK | XSTATE_ZMM_Hi256 | XSTATE_Hi16_ZMM)

#ifdef CONFIG_X86_64
#define REX_PREFIX "0x48, "
diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index ebc9873..af1d14a 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -229,6 +229,17 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode)
}
}

+ /*
+ * On x86-64 we do not support 16-bit segments due to
+ * IRET leaking the high bits of the kernel stack address.
+ */
+#ifdef CONFIG_X86_64
+ if (!ldt_info.seg_32bit) {
+ error = -EINVAL;
+ goto out_unlock;
+ }
+#endif
+
fill_ldt(&ldt, &ldt_info);
if (oldmode)
ldt.avl = 0;
diff --git a/block/blk-core.c b/block/blk-core.c
index 8bdd012..ee8f1a4 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -2325,7 +2325,7 @@ bool blk_update_request(struct request *req, int error, unsigned int nr_bytes)
if (!req->bio)
return false;

- trace_block_rq_complete(req->q, req);
+ trace_block_rq_complete(req->q, req, nr_bytes);

/*
* For fs requests, rq is just carrier of independent bio's
diff --git a/block/blk-mq.c b/block/blk-mq.c
index c79126e..7f9b1f6 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -299,7 +299,7 @@ void blk_mq_complete_request(struct request *rq, int error)
struct bio *bio = rq->bio;
unsigned int bytes = 0;

- trace_block_rq_complete(rq->q, rq);
+ trace_block_rq_complete(rq->q, rq, blk_rq_bytes(rq));

while (bio) {
struct bio *next = bio->bi_next;
diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c
index a05afff..b6f6863 100644
--- a/drivers/acpi/acpica/nsrepair.c
+++ b/drivers/acpi/acpica/nsrepair.c
@@ -207,13 +207,30 @@ acpi_ns_simple_repair(struct acpi_evaluate_info *info,
* this predefined name. Either one return value is expected, or none,
* for both methods and other objects.
*
- * Exit now if there is no return object. Warning if one was expected.
+ * Try to fix if there was no return object. Warning if failed to fix.
*/
if (!return_object) {
if (expected_btypes && (!(expected_btypes & ACPI_RTYPE_NONE))) {
- ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname,
- ACPI_WARN_ALWAYS,
- "Missing expected return value"));
+ if (package_index != ACPI_NOT_PACKAGE_ELEMENT) {
+ ACPI_WARN_PREDEFINED((AE_INFO,
+ info->full_pathname,
+ ACPI_WARN_ALWAYS,
+ "Found unexpected NULL package element"));
+
+ status =
+ acpi_ns_repair_null_element(info,
+ expected_btypes,
+ package_index,
+ return_object_ptr);
+ if (ACPI_SUCCESS(status)) {
+ return (AE_OK); /* Repair was successful */
+ }
+ } else {
+ ACPI_WARN_PREDEFINED((AE_INFO,
+ info->full_pathname,
+ ACPI_WARN_ALWAYS,
+ "Missing expected return value"));
+ }

return (AE_AML_NO_RETURN_VALUE);
}
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 000abe2..738af94 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3053,7 +3053,10 @@ static int raw_cmd_copyout(int cmd, void __user *param,
int ret;

while (ptr) {
- ret = copy_to_user(param, ptr, sizeof(*ptr));
+ struct floppy_raw_cmd cmd = *ptr;
+ cmd.next = NULL;
+ cmd.kernel_data = NULL;
+ ret = copy_to_user(param, &cmd, sizeof(cmd));
if (ret)
return -EFAULT;
param += sizeof(struct floppy_raw_cmd);
@@ -3107,10 +3110,11 @@ loop:
return -ENOMEM;
*rcmd = ptr;
ret = copy_from_user(ptr, param, sizeof(*ptr));
- if (ret)
- return -EFAULT;
ptr->next = NULL;
ptr->buffer_length = 0;
+ ptr->kernel_data = NULL;
+ if (ret)
+ return -EFAULT;
param += sizeof(struct floppy_raw_cmd);
if (ptr->cmd_count > 33)
/* the command may now also take up the space
@@ -3126,7 +3130,6 @@ loop:
for (i = 0; i < 16; i++)
ptr->reply[i] = 0;
ptr->resultcode = 0;
- ptr->kernel_data = NULL;

if (ptr->flags & (FD_RAW_READ | FD_RAW_WRITE)) {
if (ptr->length <= 0)
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 050c712..b130353 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -231,38 +231,45 @@ static void mtip_async_complete(struct mtip_port *port,
void *data,
int status)
{
- struct mtip_cmd *command;
+ struct mtip_cmd *cmd;
struct driver_data *dd = data;
- int cb_status = status ? -EIO : 0;
+ int unaligned, cb_status = status ? -EIO : 0;
+ void (*func)(void *, int);

if (unlikely(!dd) || unlikely(!port))
return;

- command = &port->commands[tag];
+ cmd = &port->commands[tag];

if (unlikely(status == PORT_IRQ_TF_ERR)) {
dev_warn(&port->dd->pdev->dev,
"Command tag %d failed due to TFE\n", tag);
}

+ /* Clear the active flag */
+ atomic_set(&port->commands[tag].active, 0);
+
/* Upper layer callback */
- if (likely(command->async_callback))
- command->async_callback(command->async_data, cb_status);
+ func = cmd->async_callback;
+ if (likely(func && cmpxchg(&cmd->async_callback, func, 0) == func)) {

- command->async_callback = NULL;
- command->comp_func = NULL;
+ /* Unmap the DMA scatter list entries */
+ dma_unmap_sg(&dd->pdev->dev,
+ cmd->sg,
+ cmd->scatter_ents,
+ cmd->direction);

- /* Unmap the DMA scatter list entries */
- dma_unmap_sg(&dd->pdev->dev,
- command->sg,
- command->scatter_ents,
- command->direction);
+ func(cmd->async_data, cb_status);
+ unaligned = cmd->unaligned;

- /* Clear the allocated and active bits for the command */
- atomic_set(&port->commands[tag].active, 0);
- release_slot(port, tag);
+ /* Clear the allocated bit for the command */
+ release_slot(port, tag);

- up(&port->cmd_slot);
+ if (unlikely(unaligned))
+ up(&port->cmd_slot_unal);
+ else
+ up(&port->cmd_slot);
+ }
}

/*
@@ -639,11 +646,12 @@ static void mtip_timeout_function(unsigned long int data)
{
struct mtip_port *port = (struct mtip_port *) data;
struct host_to_dev_fis *fis;
- struct mtip_cmd *command;
- int tag, cmdto_cnt = 0;
+ struct mtip_cmd *cmd;
+ int unaligned, tag, cmdto_cnt = 0;
unsigned int bit, group;
unsigned int num_command_slots;
unsigned long to, tagaccum[SLOTBITS_IN_LONGS];
+ void (*func)(void *, int);

if (unlikely(!port))
return;
@@ -673,8 +681,8 @@ static void mtip_timeout_function(unsigned long int data)
group = tag >> 5;
bit = tag & 0x1F;

- command = &port->commands[tag];
- fis = (struct host_to_dev_fis *) command->command;
+ cmd = &port->commands[tag];
+ fis = (struct host_to_dev_fis *) cmd->command;

set_bit(tag, tagaccum);
cmdto_cnt++;
@@ -688,27 +696,30 @@ static void mtip_timeout_function(unsigned long int data)
*/
writel(1 << bit, port->completed[group]);

- /* Call the async completion callback. */
- if (likely(command->async_callback))
- command->async_callback(command->async_data,
- -EIO);
- command->async_callback = NULL;
- command->comp_func = NULL;
+ /* Clear the active flag for the command */
+ atomic_set(&port->commands[tag].active, 0);

- /* Unmap the DMA scatter list entries */
- dma_unmap_sg(&port->dd->pdev->dev,
- command->sg,
- command->scatter_ents,
- command->direction);
+ func = cmd->async_callback;
+ if (func &&
+ cmpxchg(&cmd->async_callback, func, 0) == func) {

- /*
- * Clear the allocated bit and active tag for the
- * command.
- */
- atomic_set(&port->commands[tag].active, 0);
- release_slot(port, tag);
+ /* Unmap the DMA scatter list entries */
+ dma_unmap_sg(&port->dd->pdev->dev,
+ cmd->sg,
+ cmd->scatter_ents,
+ cmd->direction);

- up(&port->cmd_slot);
+ func(cmd->async_data, -EIO);
+ unaligned = cmd->unaligned;
+
+ /* Clear the allocated bit for the command. */
+ release_slot(port, tag);
+
+ if (unaligned)
+ up(&port->cmd_slot_unal);
+ else
+ up(&port->cmd_slot);
+ }
}
}

@@ -4145,6 +4156,7 @@ skip_create_disk:
blk_queue_max_hw_sectors(dd->queue, 0xffff);
blk_queue_max_segment_size(dd->queue, 0x400000);
blk_queue_io_min(dd->queue, 4096);
+ blk_queue_bounce_limit(dd->queue, dd->pdev->dma_mask);

/*
* write back cache is not supported in the device. FUA depends on
diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c
index 00a3abe..27c83e4 100644
--- a/drivers/clk/clk-s2mps11.c
+++ b/drivers/clk/clk-s2mps11.c
@@ -130,7 +130,7 @@ static struct device_node *s2mps11_clk_parse_dt(struct platform_device *pdev)
int i;

if (!iodev->dev->of_node)
- return NULL;
+ return ERR_PTR(-EINVAL);

clk_np = of_find_node_by_name(iodev->dev->of_node, "clocks");
if (!clk_np) {
diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c
index 532bcb3..8ffdd7d 100644
--- a/drivers/gpio/gpio-mxs.c
+++ b/drivers/gpio/gpio-mxs.c
@@ -214,7 +214,8 @@ static void __init mxs_gpio_init_gc(struct mxs_gpio_port *port, int irq_base)
ct->regs.ack = PINCTRL_IRQSTAT(port) + MXS_CLR;
ct->regs.mask = PINCTRL_IRQEN(port);

- irq_setup_generic_chip(gc, IRQ_MSK(32), 0, IRQ_NOREQUEST, 0);
+ irq_setup_generic_chip(gc, IRQ_MSK(32), IRQ_GC_INIT_NESTED_LOCK,
+ IRQ_NOREQUEST, 0);
}

static int mxs_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c
index d8e3982..66a492a 100644
--- a/drivers/gpu/drm/armada/armada_crtc.c
+++ b/drivers/gpu/drm/armada/armada_crtc.c
@@ -678,6 +678,7 @@ static void armada_load_cursor_argb(void __iomem *base, uint32_t *pix,
base + LCD_SPU_SRAM_WRDAT);
writel_relaxed(addr | SRAM_WRITE,
base + LCD_SPU_SRAM_CTRL);
+ readl_relaxed(base + LCD_SPU_HWC_OVSA_HPXL_VLN);
addr += 1;
if ((addr & 0x00ff) == 0)
addr += 0xf00;
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 197bb83..e09a314 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -610,15 +610,20 @@ static void intel_resume_hotplug(struct drm_device *dev)
drm_helper_hpd_irq_event(dev);
}

+static int i915_drm_thaw_early(struct drm_device *dev)
+{
+ intel_uncore_early_sanitize(dev);
+ intel_uncore_sanitize(dev);
+ intel_power_domains_init_hw(dev);
+
+ return 0;
+}
+
static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int error = 0;

- intel_uncore_early_sanitize(dev);
-
- intel_uncore_sanitize(dev);
-
if (drm_core_check_feature(dev, DRIVER_MODESET) &&
restore_gtt_mappings) {
mutex_lock(&dev->struct_mutex);
@@ -626,8 +631,6 @@ static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings)
mutex_unlock(&dev->struct_mutex);
}

- intel_power_domains_init_hw(dev);
-
i915_restore_state(dev);
intel_opregion_setup(dev);

@@ -694,19 +697,33 @@ static int i915_drm_thaw(struct drm_device *dev)
return __i915_drm_thaw(dev, true);
}

-int i915_resume(struct drm_device *dev)
+static int i915_resume_early(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- int ret;
-
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;

+ /*
+ * We have a resume ordering issue with the snd-hda driver also
+ * requiring our device to be power up. Due to the lack of a
+ * parent/child relationship we currently solve this with an early
+ * resume hook.
+ *
+ * FIXME: This should be solved with a special hdmi sink device or
+ * similar so that power domains can be employed.
+ */
if (pci_enable_device(dev->pdev))
return -EIO;

pci_set_master(dev->pdev);

+ return i915_drm_thaw_early(dev);
+}
+
+int i915_resume(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret;
+
/*
* Platforms with opregion should have sane BIOS, older ones (gen3 and
* earlier) need to restore the GTT mappings since the BIOS might clear
@@ -720,6 +737,14 @@ int i915_resume(struct drm_device *dev)
return 0;
}

+static int i915_resume_legacy(struct drm_device *dev)
+{
+ i915_resume_early(dev);
+ i915_resume(dev);
+
+ return 0;
+}
+
/**
* i915_reset - reset chip after a hang
* @dev: drm device to reset
@@ -853,7 +878,6 @@ static int i915_pm_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *drm_dev = pci_get_drvdata(pdev);
- int error;

if (!drm_dev || !drm_dev->dev_private) {
dev_err(dev, "DRM not initialized, aborting suspend.\n");
@@ -863,9 +887,25 @@ static int i915_pm_suspend(struct device *dev)
if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;

- error = i915_drm_freeze(drm_dev);
- if (error)
- return error;
+ return i915_drm_freeze(drm_dev);
+}
+
+static int i915_pm_suspend_late(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct drm_device *drm_dev = pci_get_drvdata(pdev);
+
+ /*
+ * We have a suspedn ordering issue with the snd-hda driver also
+ * requiring our device to be power up. Due to the lack of a
+ * parent/child relationship we currently solve this with an late
+ * suspend hook.
+ *
+ * FIXME: This should be solved with a special hdmi sink device or
+ * similar so that power domains can be employed.
+ */
+ if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
+ return 0;

pci_disable_device(pdev);
pci_set_power_state(pdev, PCI_D3hot);
@@ -873,6 +913,14 @@ static int i915_pm_suspend(struct device *dev)
return 0;
}

+static int i915_pm_resume_early(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct drm_device *drm_dev = pci_get_drvdata(pdev);
+
+ return i915_resume_early(drm_dev);
+}
+
static int i915_pm_resume(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
@@ -894,6 +942,14 @@ static int i915_pm_freeze(struct device *dev)
return i915_drm_freeze(drm_dev);
}

+static int i915_pm_thaw_early(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct drm_device *drm_dev = pci_get_drvdata(pdev);
+
+ return i915_drm_thaw_early(drm_dev);
+}
+
static int i915_pm_thaw(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
@@ -912,10 +968,14 @@ static int i915_pm_poweroff(struct device *dev)

static const struct dev_pm_ops i915_pm_ops = {
.suspend = i915_pm_suspend,
+ .suspend_late = i915_pm_suspend_late,
+ .resume_early = i915_pm_resume_early,
.resume = i915_pm_resume,
.freeze = i915_pm_freeze,
+ .thaw_early = i915_pm_thaw_early,
.thaw = i915_pm_thaw,
.poweroff = i915_pm_poweroff,
+ .restore_early = i915_pm_resume_early,
.restore = i915_pm_resume,
};

@@ -956,7 +1016,7 @@ static struct drm_driver driver = {

/* Used in place of i915_pm_ops for non-DRIVER_MODESET */
.suspend = i915_suspend,
- .resume = i915_resume,
+ .resume = i915_resume_legacy,

.device_is_agp = i915_driver_device_is_agp,
.master_create = i915_master_create,
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 76d3d1a..e716cd0 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3486,7 +3486,7 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
{
struct drm_device *dev = obj->base.dev;
drm_i915_private_t *dev_priv = dev->dev_private;
- struct i915_vma *vma;
+ struct i915_vma *vma, *next;
int ret;

if (obj->cache_level == cache_level)
@@ -3497,7 +3497,7 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
return -EBUSY;
}

- list_for_each_entry(vma, &obj->vma_list, vma_link) {
+ list_for_each_entry_safe(vma, next, &obj->vma_list, vma_link) {
if (!i915_gem_valid_gtt_space(dev, &vma->node, cache_level)) {
ret = i915_vma_unbind(vma);
if (ret)
diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h
index 6e580c9..783ae08 100644
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -238,14 +238,16 @@ TRACE_EVENT(i915_gem_evict_vm,
TP_ARGS(vm),

TP_STRUCT__entry(
+ __field(u32, dev)
__field(struct i915_address_space *, vm)
),

TP_fast_assign(
+ __entry->dev = vm->dev->primary->index;
__entry->vm = vm;
),

- TP_printk("dev=%d, vm=%p", __entry->vm->dev->primary->index, __entry->vm)
+ TP_printk("dev=%d, vm=%p", __entry->dev, __entry->vm)
);

TRACE_EVENT(i915_gem_ring_sync_to,
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index b5b1b9b..c48e62d 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -764,6 +764,14 @@ static const struct dmi_system_id intel_no_crt[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "ZGB"),
},
},
+ {
+ .callback = intel_no_crt_dmi_callback,
+ .ident = "DELL XPS 8700",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "XPS 8700"),
+ },
+ },
{ }
};

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3c5ff7a..334cf3f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -10570,6 +10570,9 @@ static struct intel_quirk intel_quirks[] = {
/* Acer Aspire 4736Z */
{ 0x2a42, 0x1025, 0x0260, quirk_invert_brightness },

+ /* Acer Aspire 5336 */
+ { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness },
+
/* Dell XPS13 HD Sandy Bridge */
{ 0x0116, 0x1028, 0x052e, quirk_no_pcm_pwm_enable },
/* Dell XPS13 HD and XPS13 FHD Ivy Bridge */
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 26c29c1..e2d10ce 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5314,8 +5314,8 @@ static void gen8_init_clock_gating(struct drm_device *dev)
/* WaPsrDPRSUnmaskVBlankInSRD */
for_each_pipe(i) {
I915_WRITE(CHICKEN_PIPESL_1(i),
- I915_READ(CHICKEN_PIPESL_1(i) |
- DPRS_MASK_VBLANK_SRD));
+ I915_READ(CHICKEN_PIPESL_1(i)) |
+ DPRS_MASK_VBLANK_SRD);
}
}

diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 22cf0f4..99faac5 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1536,9 +1536,14 @@ static int tv_is_present_in_vbt(struct drm_device *dev)
/*
* If the device type is not TV, continue.
*/
- if (p_child->old.device_type != DEVICE_TYPE_INT_TV &&
- p_child->old.device_type != DEVICE_TYPE_TV)
+ switch (p_child->old.device_type) {
+ case DEVICE_TYPE_INT_TV:
+ case DEVICE_TYPE_TV:
+ case DEVICE_TYPE_TV_SVIDEO_COMPOSITE:
+ break;
+ default:
continue;
+ }
/* Only when the addin_offset is non-zero, it is regarded
* as present.
*/
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 7431033..a5a2e72 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -486,13 +486,13 @@ nouveau_drm_remove(struct pci_dev *pdev)
}

static int
-nouveau_do_suspend(struct drm_device *dev)
+nouveau_do_suspend(struct drm_device *dev, bool runtime)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_cli *cli;
int ret;

- if (dev->mode_config.num_crtc) {
+ if (dev->mode_config.num_crtc && !runtime) {
NV_INFO(drm, "suspending display...\n");
ret = nouveau_display_suspend(dev);
if (ret)
@@ -560,7 +560,7 @@ int nouveau_pmops_suspend(struct device *dev)
if (drm_dev->mode_config.num_crtc)
nouveau_fbcon_set_suspend(drm_dev, 1);

- ret = nouveau_do_suspend(drm_dev);
+ ret = nouveau_do_suspend(drm_dev, false);
if (ret)
return ret;

@@ -640,7 +640,7 @@ static int nouveau_pmops_freeze(struct device *dev)
if (drm_dev->mode_config.num_crtc)
nouveau_fbcon_set_suspend(drm_dev, 1);

- ret = nouveau_do_suspend(drm_dev);
+ ret = nouveau_do_suspend(drm_dev, false);
return ret;
}

@@ -871,7 +871,7 @@ static int nouveau_pmops_runtime_suspend(struct device *dev)
drm_kms_helper_poll_disable(drm_dev);
vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
nouveau_switcheroo_optimus_dsm();
- ret = nouveau_do_suspend(drm_dev);
+ ret = nouveau_do_suspend(drm_dev, true);
pci_save_state(pdev);
pci_disable_device(pdev);
pci_set_power_state(pdev, PCI_D3cold);
@@ -897,8 +897,6 @@ static int nouveau_pmops_runtime_resume(struct device *dev)
pci_set_master(pdev);

ret = nouveau_do_resume(drm_dev);
- if (drm_dev->mode_config.num_crtc)
- nouveau_display_resume(drm_dev);
drm_kms_helper_poll_enable(drm_dev);
/* do magic */
nv_mask(device, 0x88488, (1 << 25), (1 << 25));
diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c
index c7e7e65..c82c1d6a9 100644
--- a/drivers/gpu/drm/qxl/qxl_ttm.c
+++ b/drivers/gpu/drm/qxl/qxl_ttm.c
@@ -433,6 +433,7 @@ static int qxl_sync_obj_flush(void *sync_obj)

static void qxl_sync_obj_unref(void **sync_obj)
{
+ *sync_obj = NULL;
}

static void *qxl_sync_obj_ref(void *sync_obj)
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 272392d..e8b1ed8 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -1095,7 +1095,7 @@ static const u32 spectre_golden_registers[] =
0x8a14, 0xf000003f, 0x00000007,
0x8b24, 0xffffffff, 0x00ffffff,
0x28350, 0x3f3f3fff, 0x00000082,
- 0x28355, 0x0000003f, 0x00000000,
+ 0x28354, 0x0000003f, 0x00000000,
0x3e78, 0x00000001, 0x00000002,
0x913c, 0xffff03df, 0x00000004,
0xc768, 0x00000008, 0x00000008,
@@ -6318,8 +6318,8 @@ void cik_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer)
buffer[count++] = cpu_to_le32(0x00000000);
break;
case CHIP_HAWAII:
- buffer[count++] = 0x3a00161a;
- buffer[count++] = 0x0000002e;
+ buffer[count++] = cpu_to_le32(0x3a00161a);
+ buffer[count++] = cpu_to_le32(0x0000002e);
break;
default:
buffer[count++] = cpu_to_le32(0x00000000);
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 7b25381..0ec48ea 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -790,6 +790,7 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector)
if (radeon_connector->edid) {
drm_mode_connector_update_edid_property(&radeon_connector->base, radeon_connector->edid);
ret = drm_add_edid_modes(&radeon_connector->base, radeon_connector->edid);
+ drm_edid_to_eld(&radeon_connector->base, radeon_connector->edid);
return ret;
}
drm_mode_connector_update_edid_property(&radeon_connector->base, NULL);
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 39a5d8e..5fecf52 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -257,6 +257,7 @@ int radeon_ib_ring_tests(struct radeon_device *rdev)
r = radeon_ib_test(rdev, i, ring);
if (r) {
ring->ready = false;
+ rdev->needs_reset = false;

if (i == RADEON_RING_TYPE_GFX_INDEX) {
/* oh, oh, that's really bad */
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index ed5ce2a..021b522 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -147,7 +147,7 @@ static int vmw_fb_check_var(struct fb_var_screeninfo *var,
}

if (!vmw_kms_validate_mode_vram(vmw_priv,
- info->fix.line_length,
+ var->xres * var->bits_per_pixel/8,
var->yoffset + var->yres)) {
DRM_ERROR("Requested geom can not fit in framebuffer\n");
return -EINVAL;
@@ -162,6 +162,8 @@ static int vmw_fb_set_par(struct fb_info *info)
struct vmw_private *vmw_priv = par->vmw_priv;
int ret;

+ info->fix.line_length = info->var.xres * info->var.bits_per_pixel/8;
+
ret = vmw_kms_write_svga(vmw_priv, info->var.xres, info->var.yres,
info->fix.line_length,
par->bpp, par->depth);
@@ -177,6 +179,7 @@ static int vmw_fb_set_par(struct fb_info *info)
vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, info->var.yoffset);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, info->var.xres);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, info->var.yres);
+ vmw_write(vmw_priv, SVGA_REG_BYTES_PER_LINE, info->fix.line_length);
vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
}

diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c
index 212150c..8cc8375 100644
--- a/drivers/infiniband/hw/ehca/ehca_cq.c
+++ b/drivers/infiniband/hw/ehca/ehca_cq.c
@@ -283,6 +283,7 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
(my_cq->galpas.user.fw_handle & (PAGE_SIZE - 1));
if (ib_copy_to_udata(udata, &resp, sizeof(resp))) {
ehca_err(device, "Copy to udata failed.");
+ cq = ERR_PTR(-EFAULT);
goto create_cq_exit4;
}
}
diff --git a/drivers/infiniband/hw/ipath/ipath_diag.c b/drivers/infiniband/hw/ipath/ipath_diag.c
index 714293b..e2f9a51 100644
--- a/drivers/infiniband/hw/ipath/ipath_diag.c
+++ b/drivers/infiniband/hw/ipath/ipath_diag.c
@@ -326,7 +326,7 @@ static ssize_t ipath_diagpkt_write(struct file *fp,
size_t count, loff_t *off)
{
u32 __iomem *piobuf;
- u32 plen, clen, pbufn;
+ u32 plen, pbufn, maxlen_reserve;
struct ipath_diag_pkt odp;
struct ipath_diag_xpkt dp;
u32 *tmpbuf = NULL;
@@ -335,51 +335,29 @@ static ssize_t ipath_diagpkt_write(struct file *fp,
u64 val;
u32 l_state, lt_state; /* LinkState, LinkTrainingState */

- if (count < sizeof(odp)) {
- ret = -EINVAL;
- goto bail;
- }

if (count == sizeof(dp)) {
if (copy_from_user(&dp, data, sizeof(dp))) {
ret = -EFAULT;
goto bail;
}
- } else if (copy_from_user(&odp, data, sizeof(odp))) {
- ret = -EFAULT;
+ } else if (count == sizeof(odp)) {
+ if (copy_from_user(&odp, data, sizeof(odp))) {
+ ret = -EFAULT;
+ goto bail;
+ }
+ } else {
+ ret = -EINVAL;
goto bail;
}

- /*
- * Due to padding/alignment issues (lessened with new struct)
- * the old and new structs are the same length. We need to
- * disambiguate them, which we can do because odp.len has never
- * been less than the total of LRH+BTH+DETH so far, while
- * dp.unit (same offset) unit is unlikely to get that high.
- * Similarly, dp.data, the pointer to user at the same offset
- * as odp.unit, is almost certainly at least one (512byte)page
- * "above" NULL. The if-block below can be omitted if compatibility
- * between a new driver and older diagnostic code is unimportant.
- * compatibility the other direction (new diags, old driver) is
- * handled in the diagnostic code, with a warning.
- */
- if (dp.unit >= 20 && dp.data < 512) {
- /* very probable version mismatch. Fix it up */
- memcpy(&odp, &dp, sizeof(odp));
- /* We got a legacy dp, copy elements to dp */
- dp.unit = odp.unit;
- dp.data = odp.data;
- dp.len = odp.len;
- dp.pbc_wd = 0; /* Indicate we need to compute PBC wd */
- }
-
/* send count must be an exact number of dwords */
if (dp.len & 3) {
ret = -EINVAL;
goto bail;
}

- clen = dp.len >> 2;
+ plen = dp.len >> 2;

dd = ipath_lookup(dp.unit);
if (!dd || !(dd->ipath_flags & IPATH_PRESENT) ||
@@ -422,16 +400,22 @@ static ssize_t ipath_diagpkt_write(struct file *fp,
goto bail;
}

- /* need total length before first word written */
- /* +1 word is for the qword padding */
- plen = sizeof(u32) + dp.len;
-
- if ((plen + 4) > dd->ipath_ibmaxlen) {
+ /*
+ * need total length before first word written, plus 2 Dwords. One Dword
+ * is for padding so we get the full user data when not aligned on
+ * a word boundary. The other Dword is to make sure we have room for the
+ * ICRC which gets tacked on later.
+ */
+ maxlen_reserve = 2 * sizeof(u32);
+ if (dp.len > dd->ipath_ibmaxlen - maxlen_reserve) {
ipath_dbg("Pkt len 0x%x > ibmaxlen %x\n",
- plen - 4, dd->ipath_ibmaxlen);
+ dp.len, dd->ipath_ibmaxlen);
ret = -EINVAL;
- goto bail; /* before writing pbc */
+ goto bail;
}
+
+ plen = sizeof(u32) + dp.len;
+
tmpbuf = vmalloc(plen);
if (!tmpbuf) {
dev_info(&dd->pcidev->dev, "Unable to allocate tmp buffer, "
@@ -473,11 +457,11 @@ static ssize_t ipath_diagpkt_write(struct file *fp,
*/
if (dd->ipath_flags & IPATH_PIO_FLUSH_WC) {
ipath_flush_wc();
- __iowrite32_copy(piobuf + 2, tmpbuf, clen - 1);
+ __iowrite32_copy(piobuf + 2, tmpbuf, plen - 1);
ipath_flush_wc();
- __raw_writel(tmpbuf[clen - 1], piobuf + clen + 1);
+ __raw_writel(tmpbuf[plen - 1], piobuf + plen + 1);
} else
- __iowrite32_copy(piobuf + 2, tmpbuf, clen);
+ __iowrite32_copy(piobuf + 2, tmpbuf, plen);

ipath_flush_wc();

diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 5b71d43..42dde06 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -695,6 +695,7 @@ static struct ib_cq *mthca_create_cq(struct ib_device *ibdev, int entries,

if (context && ib_copy_to_udata(udata, &cq->cqn, sizeof (__u32))) {
mthca_free_cq(to_mdev(ibdev), cq);
+ err = -EFAULT;
goto err_free;
}

diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 8308e36..eb62461 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -1186,7 +1186,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
nes_free_resource(nesadapter, nesadapter->allocated_qps, qp_num);
kfree(nesqp->allocated_buffer);
nes_debug(NES_DBG_QP, "ib_copy_from_udata() Failed \n");
- return NULL;
+ return ERR_PTR(-EFAULT);
}
if (req.user_wqe_buffers) {
virt_wqs = 1;
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index 275f247..2023cd6 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -1578,7 +1578,7 @@ static int do_qib_user_sdma_queue_create(struct file *fp)
struct qib_ctxtdata *rcd = fd->rcd;
struct qib_devdata *dd = rcd->dd;

- if (dd->flags & QIB_HAS_SEND_DMA)
+ if (dd->flags & QIB_HAS_SEND_DMA) {

fd->pq = qib_user_sdma_queue_create(&dd->pcidev->dev,
dd->unit,
@@ -1586,6 +1586,7 @@ static int do_qib_user_sdma_queue_create(struct file *fp)
fd->subctxt);
if (!fd->pq)
return -ENOMEM;
+ }

return 0;
}
diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c
index 24e802f..76c3e17 100644
--- a/drivers/infiniband/hw/qib/qib_init.c
+++ b/drivers/infiniband/hw/qib/qib_init.c
@@ -1097,14 +1097,10 @@ struct qib_devdata *qib_alloc_devdata(struct pci_dev *pdev, size_t extra)
int ret;

dd = (struct qib_devdata *) ib_alloc_device(sizeof(*dd) + extra);
- if (!dd) {
- dd = ERR_PTR(-ENOMEM);
- goto bail;
- }
+ if (!dd)
+ return ERR_PTR(-ENOMEM);

-#ifdef CONFIG_DEBUG_FS
- qib_dbg_ibdev_init(&dd->verbs_dev);
-#endif
+ INIT_LIST_HEAD(&dd->list);

idr_preload(GFP_KERNEL);
spin_lock_irqsave(&qib_devs_lock, flags);
@@ -1121,11 +1117,6 @@ struct qib_devdata *qib_alloc_devdata(struct pci_dev *pdev, size_t extra)
if (ret < 0) {
qib_early_err(&pdev->dev,
"Could not allocate unit ID: error %d\n", -ret);
-#ifdef CONFIG_DEBUG_FS
- qib_dbg_ibdev_exit(&dd->verbs_dev);
-#endif
- ib_dealloc_device(&dd->verbs_dev.ibdev);
- dd = ERR_PTR(ret);
goto bail;
}

@@ -1139,9 +1130,15 @@ struct qib_devdata *qib_alloc_devdata(struct pci_dev *pdev, size_t extra)
qib_early_err(&pdev->dev,
"Could not alloc cpulist info, cpu affinity might be wrong\n");
}
-
-bail:
+#ifdef CONFIG_DEBUG_FS
+ qib_dbg_ibdev_init(&dd->verbs_dev);
+#endif
return dd;
+bail:
+ if (!list_empty(&dd->list))
+ list_del_init(&dd->list);
+ ib_dealloc_device(&dd->verbs_dev.ibdev);
+ return ERR_PTR(ret);;
}

/*
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 3b7bfc7..3e3b2a1 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -1434,7 +1434,7 @@ isert_unreg_rdma_frwr(struct isert_cmd *isert_cmd, struct isert_conn *isert_conn
}

static void
-isert_put_cmd(struct isert_cmd *isert_cmd)
+isert_put_cmd(struct isert_cmd *isert_cmd, bool comp_err)
{
struct iscsi_cmd *cmd = isert_cmd->iscsi_cmd;
struct isert_conn *isert_conn = isert_cmd->conn;
@@ -1450,8 +1450,21 @@ isert_put_cmd(struct isert_cmd *isert_cmd)
list_del_init(&cmd->i_conn_node);
spin_unlock_bh(&conn->cmd_lock);

- if (cmd->data_direction == DMA_TO_DEVICE)
+ if (cmd->data_direction == DMA_TO_DEVICE) {
iscsit_stop_dataout_timer(cmd);
+ /*
+ * Check for special case during comp_err where
+ * WRITE_PENDING has been handed off from core,
+ * but requires an extra target_put_sess_cmd()
+ * before transport_generic_free_cmd() below.
+ */
+ if (comp_err &&
+ cmd->se_cmd.t_state == TRANSPORT_WRITE_PENDING) {
+ struct se_cmd *se_cmd = &cmd->se_cmd;
+
+ target_put_sess_cmd(se_cmd->se_sess, se_cmd);
+ }
+ }

device->unreg_rdma_mem(isert_cmd, isert_conn);
transport_generic_free_cmd(&cmd->se_cmd, 0);
@@ -1506,7 +1519,7 @@ isert_unmap_tx_desc(struct iser_tx_desc *tx_desc, struct ib_device *ib_dev)

static void
isert_completion_put(struct iser_tx_desc *tx_desc, struct isert_cmd *isert_cmd,
- struct ib_device *ib_dev)
+ struct ib_device *ib_dev, bool comp_err)
{
if (isert_cmd->pdu_buf_dma != 0) {
pr_debug("Calling ib_dma_unmap_single for isert_cmd->pdu_buf_dma\n");
@@ -1516,7 +1529,7 @@ isert_completion_put(struct iser_tx_desc *tx_desc, struct isert_cmd *isert_cmd,
}

isert_unmap_tx_desc(tx_desc, ib_dev);
- isert_put_cmd(isert_cmd);
+ isert_put_cmd(isert_cmd, comp_err);
}

static void
@@ -1560,14 +1573,14 @@ isert_do_control_comp(struct work_struct *work)
iscsit_tmr_post_handler(cmd, cmd->conn);

cmd->i_state = ISTATE_SENT_STATUS;
- isert_completion_put(&isert_cmd->tx_desc, isert_cmd, ib_dev);
+ isert_completion_put(&isert_cmd->tx_desc, isert_cmd, ib_dev, false);
break;
case ISTATE_SEND_REJECT:
pr_debug("Got isert_do_control_comp ISTATE_SEND_REJECT: >>>\n");
atomic_dec(&isert_conn->post_send_buf_count);

cmd->i_state = ISTATE_SENT_STATUS;
- isert_completion_put(&isert_cmd->tx_desc, isert_cmd, ib_dev);
+ isert_completion_put(&isert_cmd->tx_desc, isert_cmd, ib_dev, false);
break;
case ISTATE_SEND_LOGOUTRSP:
pr_debug("Calling iscsit_logout_post_handler >>>>>>>>>>>>>>\n");
@@ -1581,7 +1594,7 @@ isert_do_control_comp(struct work_struct *work)
case ISTATE_SEND_TEXTRSP:
atomic_dec(&isert_conn->post_send_buf_count);
cmd->i_state = ISTATE_SENT_STATUS;
- isert_completion_put(&isert_cmd->tx_desc, isert_cmd, ib_dev);
+ isert_completion_put(&isert_cmd->tx_desc, isert_cmd, ib_dev, false);
break;
default:
pr_err("Unknown do_control_comp i_state %d\n", cmd->i_state);
@@ -1612,7 +1625,7 @@ isert_response_completion(struct iser_tx_desc *tx_desc,
atomic_sub(wr->send_wr_num + 1, &isert_conn->post_send_buf_count);

cmd->i_state = ISTATE_SENT_STATUS;
- isert_completion_put(tx_desc, isert_cmd, ib_dev);
+ isert_completion_put(tx_desc, isert_cmd, ib_dev, false);
}

static void
@@ -1693,7 +1706,8 @@ isert_cq_drain_comp_llist(struct isert_conn *isert_conn, struct ib_device *ib_de
wr = &t->isert_cmd->rdma_wr;

atomic_sub(wr->send_wr_num + 1, &isert_conn->post_send_buf_count);
- isert_completion_put(t, t->isert_cmd, ib_dev);
+
+ isert_completion_put(t, t->isert_cmd, ib_dev, true);
}
}

@@ -1712,14 +1726,15 @@ isert_cq_tx_comp_err(struct iser_tx_desc *tx_desc, struct isert_conn *isert_conn
wr = &t->isert_cmd->rdma_wr;

atomic_sub(wr->send_wr_num + 1, &isert_conn->post_send_buf_count);
- isert_completion_put(t, t->isert_cmd, ib_dev);
+
+ isert_completion_put(t, t->isert_cmd, ib_dev, true);
}
tx_desc->comp_llnode_batch = NULL;

if (!isert_cmd)
isert_unmap_tx_desc(tx_desc, ib_dev);
else
- isert_completion_put(tx_desc, isert_cmd, ib_dev);
+ isert_completion_put(tx_desc, isert_cmd, ib_dev, true);
}

static void
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 520a7e5..b4884ae 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -1078,6 +1078,7 @@ static void srpt_unmap_sg_to_ib_sge(struct srpt_rdma_ch *ch,
static int srpt_map_sg_to_ib_sge(struct srpt_rdma_ch *ch,
struct srpt_send_ioctx *ioctx)
{
+ struct ib_device *dev = ch->sport->sdev->device;
struct se_cmd *cmd;
struct scatterlist *sg, *sg_orig;
int sg_cnt;
@@ -1124,7 +1125,7 @@ static int srpt_map_sg_to_ib_sge(struct srpt_rdma_ch *ch,

db = ioctx->rbufs;
tsize = cmd->data_length;
- dma_len = sg_dma_len(&sg[0]);
+ dma_len = ib_sg_dma_len(dev, &sg[0]);
riu = ioctx->rdma_ius;

/*
@@ -1155,7 +1156,8 @@ static int srpt_map_sg_to_ib_sge(struct srpt_rdma_ch *ch,
++j;
if (j < count) {
sg = sg_next(sg);
- dma_len = sg_dma_len(sg);
+ dma_len = ib_sg_dma_len(
+ dev, sg);
}
}
} else {
@@ -1192,8 +1194,8 @@ static int srpt_map_sg_to_ib_sge(struct srpt_rdma_ch *ch,
tsize = cmd->data_length;
riu = ioctx->rdma_ius;
sg = sg_orig;
- dma_len = sg_dma_len(&sg[0]);
- dma_addr = sg_dma_address(&sg[0]);
+ dma_len = ib_sg_dma_len(dev, &sg[0]);
+ dma_addr = ib_sg_dma_address(dev, &sg[0]);

/* this second loop is really mapped sg_addres to rdma_iu->ib_sge */
for (i = 0, j = 0;
@@ -1216,8 +1218,10 @@ static int srpt_map_sg_to_ib_sge(struct srpt_rdma_ch *ch,
++j;
if (j < count) {
sg = sg_next(sg);
- dma_len = sg_dma_len(sg);
- dma_addr = sg_dma_address(sg);
+ dma_len = ib_sg_dma_len(
+ dev, sg);
+ dma_addr = ib_sg_dma_address(
+ dev, sg);
}
}
} else {
diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index 9ef0752..5320332 100644
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -120,6 +120,12 @@ struct dm_cache_metadata {
unsigned policy_version[CACHE_POLICY_VERSION_SIZE];
size_t policy_hint_size;
struct dm_cache_statistics stats;
+
+ /*
+ * Reading the space map root can fail, so we read it into this
+ * buffer before the superblock is locked and updated.
+ */
+ __u8 metadata_space_map_root[SPACE_MAP_ROOT_SIZE];
};

/*-------------------------------------------------------------------
@@ -260,11 +266,31 @@ static void __setup_mapping_info(struct dm_cache_metadata *cmd)
}
}

+static int __save_sm_root(struct dm_cache_metadata *cmd)
+{
+ int r;
+ size_t metadata_len;
+
+ r = dm_sm_root_size(cmd->metadata_sm, &metadata_len);
+ if (r < 0)
+ return r;
+
+ return dm_sm_copy_root(cmd->metadata_sm, &cmd->metadata_space_map_root,
+ metadata_len);
+}
+
+static void __copy_sm_root(struct dm_cache_metadata *cmd,
+ struct cache_disk_superblock *disk_super)
+{
+ memcpy(&disk_super->metadata_space_map_root,
+ &cmd->metadata_space_map_root,
+ sizeof(cmd->metadata_space_map_root));
+}
+
static int __write_initial_superblock(struct dm_cache_metadata *cmd)
{
int r;
struct dm_block *sblock;
- size_t metadata_len;
struct cache_disk_superblock *disk_super;
sector_t bdev_size = i_size_read(cmd->bdev->bd_inode) >> SECTOR_SHIFT;

@@ -272,12 +298,16 @@ static int __write_initial_superblock(struct dm_cache_metadata *cmd)
if (bdev_size > DM_CACHE_METADATA_MAX_SECTORS)
bdev_size = DM_CACHE_METADATA_MAX_SECTORS;

- r = dm_sm_root_size(cmd->metadata_sm, &metadata_len);
+ r = dm_tm_pre_commit(cmd->tm);
if (r < 0)
return r;

- r = dm_tm_pre_commit(cmd->tm);
- if (r < 0)
+ /*
+ * dm_sm_copy_root() can fail. So we need to do it before we start
+ * updating the superblock.
+ */
+ r = __save_sm_root(cmd);
+ if (r)
return r;

r = superblock_lock_zero(cmd, &sblock);
@@ -293,10 +323,7 @@ static int __write_initial_superblock(struct dm_cache_metadata *cmd)
memset(disk_super->policy_version, 0, sizeof(disk_super->policy_version));
disk_super->policy_hint_size = 0;

- r = dm_sm_copy_root(cmd->metadata_sm, &disk_super->metadata_space_map_root,
- metadata_len);
- if (r < 0)
- goto bad_locked;
+ __copy_sm_root(cmd, disk_super);

disk_super->mapping_root = cpu_to_le64(cmd->root);
disk_super->hint_root = cpu_to_le64(cmd->hint_root);
@@ -313,10 +340,6 @@ static int __write_initial_superblock(struct dm_cache_metadata *cmd)
disk_super->write_misses = cpu_to_le32(0);

return dm_tm_commit(cmd->tm, sblock);
-
-bad_locked:
- dm_bm_unlock(sblock);
- return r;
}

static int __format_metadata(struct dm_cache_metadata *cmd)
@@ -530,8 +553,9 @@ static int __begin_transaction_flags(struct dm_cache_metadata *cmd,
disk_super = dm_block_data(sblock);
update_flags(disk_super, mutator);
read_superblock_fields(cmd, disk_super);
+ dm_bm_unlock(sblock);

- return dm_bm_flush_and_unlock(cmd->bm, sblock);
+ return dm_bm_flush(cmd->bm);
}

static int __begin_transaction(struct dm_cache_metadata *cmd)
@@ -559,7 +583,6 @@ static int __commit_transaction(struct dm_cache_metadata *cmd,
flags_mutator mutator)
{
int r;
- size_t metadata_len;
struct cache_disk_superblock *disk_super;
struct dm_block *sblock;

@@ -577,8 +600,8 @@ static int __commit_transaction(struct dm_cache_metadata *cmd,
if (r < 0)
return r;

- r = dm_sm_root_size(cmd->metadata_sm, &metadata_len);
- if (r < 0)
+ r = __save_sm_root(cmd);
+ if (r)
return r;

r = superblock_lock(cmd, &sblock);
@@ -605,13 +628,7 @@ static int __commit_transaction(struct dm_cache_metadata *cmd,
disk_super->read_misses = cpu_to_le32(cmd->stats.read_misses);
disk_super->write_hits = cpu_to_le32(cmd->stats.write_hits);
disk_super->write_misses = cpu_to_le32(cmd->stats.write_misses);
-
- r = dm_sm_copy_root(cmd->metadata_sm, &disk_super->metadata_space_map_root,
- metadata_len);
- if (r < 0) {
- dm_bm_unlock(sblock);
- return r;
- }
+ __copy_sm_root(cmd, disk_super);

return dm_tm_commit(cmd->tm, sblock);
}
@@ -1228,22 +1245,12 @@ static int begin_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *po
return 0;
}

-int dm_cache_begin_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *policy)
+static int save_hint(void *context, dm_cblock_t cblock, dm_oblock_t oblock, uint32_t hint)
{
+ struct dm_cache_metadata *cmd = context;
+ __le32 value = cpu_to_le32(hint);
int r;

- down_write(&cmd->root_lock);
- r = begin_hints(cmd, policy);
- up_write(&cmd->root_lock);
-
- return r;
-}
-
-static int save_hint(struct dm_cache_metadata *cmd, dm_cblock_t cblock,
- uint32_t hint)
-{
- int r;
- __le32 value = cpu_to_le32(hint);
__dm_bless_for_disk(&value);

r = dm_array_set_value(&cmd->hint_info, cmd->hint_root,
@@ -1253,16 +1260,25 @@ static int save_hint(struct dm_cache_metadata *cmd, dm_cblock_t cblock,
return r;
}

-int dm_cache_save_hint(struct dm_cache_metadata *cmd, dm_cblock_t cblock,
- uint32_t hint)
+static int write_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *policy)
{
int r;

- if (!hints_array_initialized(cmd))
- return 0;
+ r = begin_hints(cmd, policy);
+ if (r) {
+ DMERR("begin_hints failed");
+ return r;
+ }
+
+ return policy_walk_mappings(policy, save_hint, cmd);
+}
+
+int dm_cache_write_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *policy)
+{
+ int r;

down_write(&cmd->root_lock);
- r = save_hint(cmd, cblock, hint);
+ r = write_hints(cmd, policy);
up_write(&cmd->root_lock);

return r;
diff --git a/drivers/md/dm-cache-metadata.h b/drivers/md/dm-cache-metadata.h
index cd906f1..f0fb1dd 100644
--- a/drivers/md/dm-cache-metadata.h
+++ b/drivers/md/dm-cache-metadata.h
@@ -128,14 +128,7 @@ void dm_cache_dump(struct dm_cache_metadata *cmd);
* rather than querying the policy for each cblock, we let it walk its data
* structures and fill in the hints in whatever order it wishes.
*/
-
-int dm_cache_begin_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *p);
-
-/*
- * requests hints for every cblock and stores in the metadata device.
- */
-int dm_cache_save_hint(struct dm_cache_metadata *cmd,
- dm_cblock_t cblock, uint32_t hint);
+int dm_cache_write_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *p);

/*
* Query method. Are all the blocks in the cache clean?
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index c3c27dd..0826650 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -233,7 +233,7 @@ struct cache {
*/
dm_dblock_t discard_nr_blocks;
unsigned long *discard_bitset;
- uint32_t discard_block_size; /* a power of 2 times sectors per block */
+ uint32_t discard_block_size;

/*
* Rather than reconstructing the table line for the status we just
@@ -2160,35 +2160,6 @@ static int create_cache_policy(struct cache *cache, struct cache_args *ca,
return 0;
}

-/*
- * We want the discard block size to be a power of two, at least the size
- * of the cache block size, and have no more than 2^14 discard blocks
- * across the origin.
- */
-#define MAX_DISCARD_BLOCKS (1 << 14)
-
-static bool too_many_discard_blocks(sector_t discard_block_size,
- sector_t origin_size)
-{
- (void) sector_div(origin_size, discard_block_size);
-
- return origin_size > MAX_DISCARD_BLOCKS;
-}
-
-static sector_t calculate_discard_block_size(sector_t cache_block_size,
- sector_t origin_size)
-{
- sector_t discard_block_size;
-
- discard_block_size = roundup_pow_of_two(cache_block_size);
-
- if (origin_size)
- while (too_many_discard_blocks(discard_block_size, origin_size))
- discard_block_size *= 2;
-
- return discard_block_size;
-}
-
#define DEFAULT_MIGRATION_THRESHOLD 2048

static int cache_create(struct cache_args *ca, struct cache **result)
@@ -2310,9 +2281,7 @@ static int cache_create(struct cache_args *ca, struct cache **result)
}
clear_bitset(cache->dirty_bitset, from_cblock(cache->cache_size));

- cache->discard_block_size =
- calculate_discard_block_size(cache->sectors_per_block,
- cache->origin_sectors);
+ cache->discard_block_size = cache->sectors_per_block;
cache->discard_nr_blocks = oblock_to_dblock(cache, cache->origin_blocks);
cache->discard_bitset = alloc_bitset(from_dblock(cache->discard_nr_blocks));
if (!cache->discard_bitset) {
@@ -2620,30 +2589,6 @@ static int write_discard_bitset(struct cache *cache)
return 0;
}

-static int save_hint(void *context, dm_cblock_t cblock, dm_oblock_t oblock,
- uint32_t hint)
-{
- struct cache *cache = context;
- return dm_cache_save_hint(cache->cmd, cblock, hint);
-}
-
-static int write_hints(struct cache *cache)
-{
- int r;
-
- r = dm_cache_begin_hints(cache->cmd, cache->policy);
- if (r) {
- DMERR("dm_cache_begin_hints failed");
- return r;
- }
-
- r = policy_walk_mappings(cache->policy, save_hint, cache);
- if (r)
- DMERR("policy_walk_mappings failed");
-
- return r;
-}
-
/*
* returns true on success
*/
@@ -2661,7 +2606,7 @@ static bool sync_metadata(struct cache *cache)

save_stats(cache);

- r3 = write_hints(cache);
+ r3 = dm_cache_write_hints(cache->cmd, cache->policy);
if (r3)
DMERR("could not write hints");

@@ -3103,7 +3048,7 @@ static void set_discard_limits(struct cache *cache, struct queue_limits *limits)
/*
* FIXME: these limits may be incompatible with the cache device
*/
- limits->max_discard_sectors = cache->discard_block_size * 1024;
+ limits->max_discard_sectors = cache->discard_block_size;
limits->discard_granularity = cache->discard_block_size << SECTOR_SHIFT;
}

diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 3bb4506..07a6ea3 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -192,6 +192,13 @@ struct dm_pool_metadata {
* operation possible in this state is the closing of the device.
*/
bool fail_io:1;
+
+ /*
+ * Reading the space map roots can fail, so we read it into these
+ * buffers before the superblock is locked and updated.
+ */
+ __u8 data_space_map_root[SPACE_MAP_ROOT_SIZE];
+ __u8 metadata_space_map_root[SPACE_MAP_ROOT_SIZE];
};

struct dm_thin_device {
@@ -431,26 +438,53 @@ static void __setup_btree_details(struct dm_pool_metadata *pmd)
pmd->details_info.value_type.equal = NULL;
}

+static int save_sm_roots(struct dm_pool_metadata *pmd)
+{
+ int r;
+ size_t len;
+
+ r = dm_sm_root_size(pmd->metadata_sm, &len);
+ if (r < 0)
+ return r;
+
+ r = dm_sm_copy_root(pmd->metadata_sm, &pmd->metadata_space_map_root, len);
+ if (r < 0)
+ return r;
+
+ r = dm_sm_root_size(pmd->data_sm, &len);
+ if (r < 0)
+ return r;
+
+ return dm_sm_copy_root(pmd->data_sm, &pmd->data_space_map_root, len);
+}
+
+static void copy_sm_roots(struct dm_pool_metadata *pmd,
+ struct thin_disk_superblock *disk)
+{
+ memcpy(&disk->metadata_space_map_root,
+ &pmd->metadata_space_map_root,
+ sizeof(pmd->metadata_space_map_root));
+
+ memcpy(&disk->data_space_map_root,
+ &pmd->data_space_map_root,
+ sizeof(pmd->data_space_map_root));
+}
+
static int __write_initial_superblock(struct dm_pool_metadata *pmd)
{
int r;
struct dm_block *sblock;
- size_t metadata_len, data_len;
struct thin_disk_superblock *disk_super;
sector_t bdev_size = i_size_read(pmd->bdev->bd_inode) >> SECTOR_SHIFT;

if (bdev_size > THIN_METADATA_MAX_SECTORS)
bdev_size = THIN_METADATA_MAX_SECTORS;

- r = dm_sm_root_size(pmd->metadata_sm, &metadata_len);
- if (r < 0)
- return r;
-
- r = dm_sm_root_size(pmd->data_sm, &data_len);
+ r = dm_sm_commit(pmd->data_sm);
if (r < 0)
return r;

- r = dm_sm_commit(pmd->data_sm);
+ r = save_sm_roots(pmd);
if (r < 0)
return r;

@@ -471,15 +505,7 @@ static int __write_initial_superblock(struct dm_pool_metadata *pmd)
disk_super->trans_id = 0;
disk_super->held_root = 0;

- r = dm_sm_copy_root(pmd->metadata_sm, &disk_super->metadata_space_map_root,
- metadata_len);
- if (r < 0)
- goto bad_locked;
-
- r = dm_sm_copy_root(pmd->data_sm, &disk_super->data_space_map_root,
- data_len);
- if (r < 0)
- goto bad_locked;
+ copy_sm_roots(pmd, disk_super);

disk_super->data_mapping_root = cpu_to_le64(pmd->root);
disk_super->device_details_root = cpu_to_le64(pmd->details_root);
@@ -488,10 +514,6 @@ static int __write_initial_superblock(struct dm_pool_metadata *pmd)
disk_super->data_block_size = cpu_to_le32(pmd->data_block_size);

return dm_tm_commit(pmd->tm, sblock);
-
-bad_locked:
- dm_bm_unlock(sblock);
- return r;
}

static int __format_metadata(struct dm_pool_metadata *pmd)
@@ -769,6 +791,10 @@ static int __commit_transaction(struct dm_pool_metadata *pmd)
if (r < 0)
return r;

+ r = save_sm_roots(pmd);
+ if (r < 0)
+ return r;
+
r = superblock_lock(pmd, &sblock);
if (r)
return r;
@@ -780,21 +806,9 @@ static int __commit_transaction(struct dm_pool_metadata *pmd)
disk_super->trans_id = cpu_to_le64(pmd->trans_id);
disk_super->flags = cpu_to_le32(pmd->flags);

- r = dm_sm_copy_root(pmd->metadata_sm, &disk_super->metadata_space_map_root,
- metadata_len);
- if (r < 0)
- goto out_locked;
-
- r = dm_sm_copy_root(pmd->data_sm, &disk_super->data_space_map_root,
- data_len);
- if (r < 0)
- goto out_locked;
+ copy_sm_roots(pmd, disk_super);

return dm_tm_commit(pmd->tm, sblock);
-
-out_locked:
- dm_bm_unlock(sblock);
- return r;
}

struct dm_pool_metadata *dm_pool_metadata_open(struct block_device *bdev,
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index e9587101..e4cc196 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -1332,9 +1332,9 @@ static void process_deferred_bios(struct pool *pool)
*/
if (ensure_next_mapping(pool)) {
spin_lock_irqsave(&pool->lock, flags);
+ bio_list_add(&pool->deferred_bios, bio);
bio_list_merge(&pool->deferred_bios, &bios);
spin_unlock_irqrestore(&pool->lock, flags);
-
break;
}

diff --git a/drivers/md/persistent-data/dm-block-manager.c b/drivers/md/persistent-data/dm-block-manager.c
index 064a3c2..30597f3 100644
--- a/drivers/md/persistent-data/dm-block-manager.c
+++ b/drivers/md/persistent-data/dm-block-manager.c
@@ -595,25 +595,14 @@ int dm_bm_unlock(struct dm_block *b)
}
EXPORT_SYMBOL_GPL(dm_bm_unlock);

-int dm_bm_flush_and_unlock(struct dm_block_manager *bm,
- struct dm_block *superblock)
+int dm_bm_flush(struct dm_block_manager *bm)
{
- int r;
-
if (bm->read_only)
return -EPERM;

- r = dm_bufio_write_dirty_buffers(bm->bufio);
- if (unlikely(r)) {
- dm_bm_unlock(superblock);
- return r;
- }
-
- dm_bm_unlock(superblock);
-
return dm_bufio_write_dirty_buffers(bm->bufio);
}
-EXPORT_SYMBOL_GPL(dm_bm_flush_and_unlock);
+EXPORT_SYMBOL_GPL(dm_bm_flush);

void dm_bm_prefetch(struct dm_block_manager *bm, dm_block_t b)
{
diff --git a/drivers/md/persistent-data/dm-block-manager.h b/drivers/md/persistent-data/dm-block-manager.h
index 13cd58e..1b95dfc 100644
--- a/drivers/md/persistent-data/dm-block-manager.h
+++ b/drivers/md/persistent-data/dm-block-manager.h
@@ -105,8 +105,7 @@ int dm_bm_unlock(struct dm_block *b);
*
* This method always blocks.
*/
-int dm_bm_flush_and_unlock(struct dm_block_manager *bm,
- struct dm_block *superblock);
+int dm_bm_flush(struct dm_block_manager *bm);

/*
* Request data is prefetched into the cache.
diff --git a/drivers/md/persistent-data/dm-transaction-manager.c b/drivers/md/persistent-data/dm-transaction-manager.c
index 81da1a2..3bc30a0 100644
--- a/drivers/md/persistent-data/dm-transaction-manager.c
+++ b/drivers/md/persistent-data/dm-transaction-manager.c
@@ -154,7 +154,7 @@ int dm_tm_pre_commit(struct dm_transaction_manager *tm)
if (r < 0)
return r;

- return 0;
+ return dm_bm_flush(tm->bm);
}
EXPORT_SYMBOL_GPL(dm_tm_pre_commit);

@@ -164,8 +164,9 @@ int dm_tm_commit(struct dm_transaction_manager *tm, struct dm_block *root)
return -EWOULDBLOCK;

wipe_shadow_table(tm);
+ dm_bm_unlock(root);

- return dm_bm_flush_and_unlock(tm->bm, root);
+ return dm_bm_flush(tm->bm);
}
EXPORT_SYMBOL_GPL(dm_tm_commit);

diff --git a/drivers/md/persistent-data/dm-transaction-manager.h b/drivers/md/persistent-data/dm-transaction-manager.h
index b5b1390..2772ed2 100644
--- a/drivers/md/persistent-data/dm-transaction-manager.h
+++ b/drivers/md/persistent-data/dm-transaction-manager.h
@@ -38,18 +38,17 @@ struct dm_transaction_manager *dm_tm_create_non_blocking_clone(struct dm_transac
/*
* We use a 2-phase commit here.
*
- * i) In the first phase the block manager is told to start flushing, and
- * the changes to the space map are written to disk. You should interrogate
- * your particular space map to get detail of its root node etc. to be
- * included in your superblock.
+ * i) Make all changes for the transaction *except* for the superblock.
+ * Then call dm_tm_pre_commit() to flush them to disk.
*
- * ii) @root will be committed last. You shouldn't use more than the
- * first 512 bytes of @root if you wish the transaction to survive a power
- * failure. You *must* have a write lock held on @root for both stage (i)
- * and (ii). The commit will drop the write lock.
+ * ii) Lock your superblock. Update. Then call dm_tm_commit() which will
+ * unlock the superblock and flush it. No other blocks should be updated
+ * during this period. Care should be taken to never unlock a partially
+ * updated superblock; perform any operations that could fail *before* you
+ * take the superblock lock.
*/
int dm_tm_pre_commit(struct dm_transaction_manager *tm);
-int dm_tm_commit(struct dm_transaction_manager *tm, struct dm_block *root);
+int dm_tm_commit(struct dm_transaction_manager *tm, struct dm_block *superblock);

/*
* These methods are the only way to get hold of a writeable block.
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 63b2e8d..5166401 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -97,6 +97,7 @@ static void * r1buf_pool_alloc(gfp_t gfp_flags, void *data)
struct pool_info *pi = data;
struct r1bio *r1_bio;
struct bio *bio;
+ int need_pages;
int i, j;

r1_bio = r1bio_pool_alloc(gfp_flags, pi);
@@ -119,15 +120,15 @@ static void * r1buf_pool_alloc(gfp_t gfp_flags, void *data)
* RESYNC_PAGES for each bio.
*/
if (test_bit(MD_RECOVERY_REQUESTED, &pi->mddev->recovery))
- j = pi->raid_disks;
+ need_pages = pi->raid_disks;
else
- j = 1;
- while(j--) {
+ need_pages = 1;
+ for (j = 0; j < need_pages; j++) {
bio = r1_bio->bios[j];
bio->bi_vcnt = RESYNC_PAGES;

if (bio_alloc_pages(bio, gfp_flags))
- goto out_free_bio;
+ goto out_free_pages;
}
/* If not user-requests, copy the page pointers to all bios */
if (!test_bit(MD_RECOVERY_REQUESTED, &pi->mddev->recovery)) {
@@ -141,6 +142,14 @@ static void * r1buf_pool_alloc(gfp_t gfp_flags, void *data)

return r1_bio;

+out_free_pages:
+ while (--j >= 0) {
+ struct bio_vec *bv;
+
+ bio_for_each_segment_all(bv, r1_bio->bios[j], i)
+ __free_page(bv->bv_page);
+ }
+
out_free_bio:
while (++j < pi->raid_disks)
bio_put(r1_bio->bios[j]);
diff --git a/drivers/media/dvb-frontends/m88rs2000.c b/drivers/media/dvb-frontends/m88rs2000.c
index 02699c1..c7a1c8e 100644
--- a/drivers/media/dvb-frontends/m88rs2000.c
+++ b/drivers/media/dvb-frontends/m88rs2000.c
@@ -712,6 +712,22 @@ static int m88rs2000_get_frontend(struct dvb_frontend *fe)
return 0;
}

+static int m88rs2000_get_tune_settings(struct dvb_frontend *fe,
+ struct dvb_frontend_tune_settings *tune)
+{
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+
+ if (c->symbol_rate > 3000000)
+ tune->min_delay_ms = 2000;
+ else
+ tune->min_delay_ms = 3000;
+
+ tune->step_size = c->symbol_rate / 16000;
+ tune->max_drift = c->symbol_rate / 2000;
+
+ return 0;
+}
+
static int m88rs2000_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
{
struct m88rs2000_state *state = fe->demodulator_priv;
@@ -743,7 +759,7 @@ static struct dvb_frontend_ops m88rs2000_ops = {
.symbol_rate_tolerance = 500, /* ppm */
.caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
- FE_CAN_QPSK |
+ FE_CAN_QPSK | FE_CAN_INVERSION_AUTO |
FE_CAN_FEC_AUTO
},

@@ -763,6 +779,7 @@ static struct dvb_frontend_ops m88rs2000_ops = {

.set_frontend = m88rs2000_set_frontend,
.get_frontend = m88rs2000_get_frontend,
+ .get_tune_settings = m88rs2000_get_tune_settings,
};

struct dvb_frontend *m88rs2000_attach(const struct m88rs2000_config *config,
diff --git a/drivers/media/platform/omap3isp/isppreview.c b/drivers/media/platform/omap3isp/isppreview.c
index cd8831a..e2e4610 100644
--- a/drivers/media/platform/omap3isp/isppreview.c
+++ b/drivers/media/platform/omap3isp/isppreview.c
@@ -1079,6 +1079,7 @@ static void preview_config_input_format(struct isp_prev_device *prev,
*/
static void preview_config_input_size(struct isp_prev_device *prev, u32 active)
{
+ const struct v4l2_mbus_framefmt *format = &prev->formats[PREV_PAD_SINK];
struct isp_device *isp = to_isp_device(prev);
unsigned int sph = prev->crop.left;
unsigned int eph = prev->crop.left + prev->crop.width - 1;
@@ -1086,6 +1087,14 @@ static void preview_config_input_size(struct isp_prev_device *prev, u32 active)
unsigned int elv = prev->crop.top + prev->crop.height - 1;
u32 features;

+ if (format->code != V4L2_MBUS_FMT_Y8_1X8 &&
+ format->code != V4L2_MBUS_FMT_Y10_1X10) {
+ sph -= 2;
+ eph += 2;
+ slv -= 2;
+ elv += 2;
+ }
+
features = (prev->params.params[0].features & active)
| (prev->params.params[1].features & ~active);

diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c
index 344042b..d3b68fd 100644
--- a/drivers/media/usb/em28xx/em28xx-dvb.c
+++ b/drivers/media/usb/em28xx/em28xx-dvb.c
@@ -693,7 +693,8 @@ static void pctv_520e_init(struct em28xx *dev)
static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- struct em28xx *dev = fe->dvb->priv;
+ struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
+ struct em28xx *dev = i2c_bus->dev;
#ifdef CONFIG_GPIOLIB
struct em28xx_dvb *dvb = dev->dvb;
int ret;
diff --git a/drivers/media/usb/gspca/sn9c20x.c b/drivers/media/usb/gspca/sn9c20x.c
index 2a38621..41a9a89 100644
--- a/drivers/media/usb/gspca/sn9c20x.c
+++ b/drivers/media/usb/gspca/sn9c20x.c
@@ -2359,6 +2359,7 @@ static const struct usb_device_id device_table[] = {
{USB_DEVICE(0x045e, 0x00f4), SN9C20X(OV9650, 0x30, 0)},
{USB_DEVICE(0x145f, 0x013d), SN9C20X(OV7660, 0x21, 0)},
{USB_DEVICE(0x0458, 0x7029), SN9C20X(HV7131R, 0x11, 0)},
+ {USB_DEVICE(0x0458, 0x7045), SN9C20X(MT9M112, 0x5d, LED_REVERSE)},
{USB_DEVICE(0x0458, 0x704a), SN9C20X(MT9M112, 0x5d, 0)},
{USB_DEVICE(0x0458, 0x704c), SN9C20X(MT9M112, 0x5d, 0)},
{USB_DEVICE(0xa168, 0x0610), SN9C20X(HV7131R, 0x11, 0)},
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index 898c208..e32d6a5 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -1847,7 +1847,25 @@ int uvc_video_enable(struct uvc_streaming *stream, int enable)

if (!enable) {
uvc_uninit_video(stream, 1);
- usb_set_interface(stream->dev->udev, stream->intfnum, 0);
+ if (stream->intf->num_altsetting > 1) {
+ usb_set_interface(stream->dev->udev,
+ stream->intfnum, 0);
+ } else {
+ /* UVC doesn't specify how to inform a bulk-based device
+ * when the video stream is stopped. Windows sends a
+ * CLEAR_FEATURE(HALT) request to the video streaming
+ * bulk endpoint, mimic the same behaviour.
+ */
+ unsigned int epnum = stream->header.bEndpointAddress
+ & USB_ENDPOINT_NUMBER_MASK;
+ unsigned int dir = stream->header.bEndpointAddress
+ & USB_ENDPOINT_DIR_MASK;
+ unsigned int pipe;
+
+ pipe = usb_sndbulkpipe(stream->dev->udev, epnum) | dir;
+ usb_clear_halt(stream->dev->udev, pipe);
+ }
+
uvc_queue_enable(&stream->queue, 0);
uvc_video_clock_cleanup(stream);
return 0;
diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
index a65447d..da1ef32 100644
--- a/drivers/mfd/88pm800.c
+++ b/drivers/mfd/88pm800.c
@@ -571,7 +571,7 @@ static int pm800_probe(struct i2c_client *client,
ret = pm800_pages_init(chip);
if (ret) {
dev_err(&client->dev, "pm800_pages_init failed!\n");
- goto err_page_init;
+ goto err_device_init;
}

ret = device_800_init(chip, pdata);
@@ -587,7 +587,6 @@ static int pm800_probe(struct i2c_client *client,

err_device_init:
pm800_pages_exit(chip);
-err_page_init:
err_subchip_alloc:
pm80x_deinit();
out_init:
diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
index c9b1f64..bcfc9e8 100644
--- a/drivers/mfd/88pm860x-core.c
+++ b/drivers/mfd/88pm860x-core.c
@@ -1179,12 +1179,18 @@ static int pm860x_probe(struct i2c_client *client,
chip->companion_addr = pdata->companion_addr;
chip->companion = i2c_new_dummy(chip->client->adapter,
chip->companion_addr);
+ if (!chip->companion) {
+ dev_err(&client->dev,
+ "Failed to allocate I2C companion device\n");
+ return -ENODEV;
+ }
chip->regmap_companion = regmap_init_i2c(chip->companion,
&pm860x_regmap_config);
if (IS_ERR(chip->regmap_companion)) {
ret = PTR_ERR(chip->regmap_companion);
dev_err(&chip->companion->dev,
"Failed to allocate register map: %d\n", ret);
+ i2c_unregister_device(chip->companion);
return ret;
}
i2c_set_clientdata(chip->companion, chip);
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index dd67158..45ba70e 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1173,9 +1173,6 @@ config MFD_STW481X
in various ST Microelectronics and ST-Ericsson embedded
Nomadik series.

-endmenu
-endif
-
menu "Multimedia Capabilities Port drivers"
depends on ARCH_SA1100

@@ -1206,3 +1203,6 @@ config VEXPRESS_CONFIG
help
Platform configuration infrastructure for the ARM Ltd.
Versatile Express.
+
+endmenu
+endif
diff --git a/drivers/mfd/kempld-core.c b/drivers/mfd/kempld-core.c
index d3e2327..38917a8 100644
--- a/drivers/mfd/kempld-core.c
+++ b/drivers/mfd/kempld-core.c
@@ -322,9 +322,12 @@ static int kempld_detect_device(struct kempld_device_data *pld)
return -ENODEV;
}

- /* Release hardware mutex if aquired */
- if (!(index_reg & KEMPLD_MUTEX_KEY))
+ /* Release hardware mutex if acquired */
+ if (!(index_reg & KEMPLD_MUTEX_KEY)) {
iowrite8(KEMPLD_MUTEX_KEY, pld->io_index);
+ /* PXT and COMe-cPC2 boards may require a second release */
+ iowrite8(KEMPLD_MUTEX_KEY, pld->io_index);
+ }

mutex_unlock(&pld->lock);

diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c
index 12b3ae3..9ef7e3d 100644
--- a/drivers/mfd/max77686.c
+++ b/drivers/mfd/max77686.c
@@ -121,6 +121,10 @@ static int max77686_i2c_probe(struct i2c_client *i2c,
dev_info(max77686->dev, "device found\n");

max77686->rtc = i2c_new_dummy(i2c->adapter, I2C_ADDR_RTC);
+ if (!max77686->rtc) {
+ dev_err(max77686->dev, "Failed to allocate I2C device for RTC\n");
+ return -ENODEV;
+ }
i2c_set_clientdata(max77686->rtc, max77686);

max77686_irq_init(max77686);
diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c
index 9f92463..535093a 100644
--- a/drivers/mfd/max77693.c
+++ b/drivers/mfd/max77693.c
@@ -142,9 +142,18 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
dev_info(max77693->dev, "device ID: 0x%x\n", reg_data);

max77693->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
+ if (!max77693->muic) {
+ dev_err(max77693->dev, "Failed to allocate I2C device for MUIC\n");
+ return -ENODEV;
+ }
i2c_set_clientdata(max77693->muic, max77693);

max77693->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
+ if (!max77693->haptic) {
+ dev_err(max77693->dev, "Failed to allocate I2C device for Haptic\n");
+ ret = -ENODEV;
+ goto err_i2c_haptic;
+ }
i2c_set_clientdata(max77693->haptic, max77693);

/*
@@ -178,8 +187,9 @@ err_mfd:
max77693_irq_exit(max77693);
err_irq:
err_regmap_muic:
- i2c_unregister_device(max77693->muic);
i2c_unregister_device(max77693->haptic);
+err_i2c_haptic:
+ i2c_unregister_device(max77693->muic);
return ret;
}

diff --git a/drivers/mfd/max8925-i2c.c b/drivers/mfd/max8925-i2c.c
index 176aa26..a83eed5 100644
--- a/drivers/mfd/max8925-i2c.c
+++ b/drivers/mfd/max8925-i2c.c
@@ -181,9 +181,18 @@ static int max8925_probe(struct i2c_client *client,
mutex_init(&chip->io_lock);

chip->rtc = i2c_new_dummy(chip->i2c->adapter, RTC_I2C_ADDR);
+ if (!chip->rtc) {
+ dev_err(chip->dev, "Failed to allocate I2C device for RTC\n");
+ return -ENODEV;
+ }
i2c_set_clientdata(chip->rtc, chip);

chip->adc = i2c_new_dummy(chip->i2c->adapter, ADC_I2C_ADDR);
+ if (!chip->adc) {
+ dev_err(chip->dev, "Failed to allocate I2C device for ADC\n");
+ i2c_unregister_device(chip->rtc);
+ return -ENODEV;
+ }
i2c_set_clientdata(chip->adc, chip);

device_init_wakeup(&client->dev, 1);
diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c
index 791aea3..0f87e17 100644
--- a/drivers/mfd/max8997.c
+++ b/drivers/mfd/max8997.c
@@ -218,10 +218,26 @@ static int max8997_i2c_probe(struct i2c_client *i2c,
mutex_init(&max8997->iolock);

max8997->rtc = i2c_new_dummy(i2c->adapter, I2C_ADDR_RTC);
+ if (!max8997->rtc) {
+ dev_err(max8997->dev, "Failed to allocate I2C device for RTC\n");
+ return -ENODEV;
+ }
i2c_set_clientdata(max8997->rtc, max8997);
+
max8997->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
+ if (!max8997->haptic) {
+ dev_err(max8997->dev, "Failed to allocate I2C device for Haptic\n");
+ ret = -ENODEV;
+ goto err_i2c_haptic;
+ }
i2c_set_clientdata(max8997->haptic, max8997);
+
max8997->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
+ if (!max8997->muic) {
+ dev_err(max8997->dev, "Failed to allocate I2C device for MUIC\n");
+ ret = -ENODEV;
+ goto err_i2c_muic;
+ }
i2c_set_clientdata(max8997->muic, max8997);

pm_runtime_set_active(max8997->dev);
@@ -248,7 +264,9 @@ static int max8997_i2c_probe(struct i2c_client *i2c,
err_mfd:
mfd_remove_devices(max8997->dev);
i2c_unregister_device(max8997->muic);
+err_i2c_muic:
i2c_unregister_device(max8997->haptic);
+err_i2c_haptic:
i2c_unregister_device(max8997->rtc);
return ret;
}
diff --git a/drivers/mfd/max8998.c b/drivers/mfd/max8998.c
index fe6332d..25e131a 100644
--- a/drivers/mfd/max8998.c
+++ b/drivers/mfd/max8998.c
@@ -215,6 +215,10 @@ static int max8998_i2c_probe(struct i2c_client *i2c,
mutex_init(&max8998->iolock);

max8998->rtc = i2c_new_dummy(i2c->adapter, RTC_I2C_ADDR);
+ if (!max8998->rtc) {
+ dev_err(&i2c->dev, "Failed to allocate I2C device for RTC\n");
+ return -ENODEV;
+ }
i2c_set_clientdata(max8998->rtc, max8998);

max8998_irq_init(max8998);
diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
index 54cc255..c62cc96 100644
--- a/drivers/mfd/sec-core.c
+++ b/drivers/mfd/sec-core.c
@@ -280,6 +280,10 @@ static int sec_pmic_probe(struct i2c_client *i2c,
}

sec_pmic->rtc = i2c_new_dummy(i2c->adapter, RTC_I2C_ADDR);
+ if (!sec_pmic->rtc) {
+ dev_err(&i2c->dev, "Failed to allocate I2C for RTC\n");
+ return -ENODEV;
+ }
i2c_set_clientdata(sec_pmic->rtc, sec_pmic);

sec_pmic->regmap_rtc = devm_regmap_init_i2c(sec_pmic->rtc,
diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
index c0f608e..2ab9166 100644
--- a/drivers/mfd/tps65910.c
+++ b/drivers/mfd/tps65910.c
@@ -255,8 +255,10 @@ static int tps65910_irq_init(struct tps65910 *tps65910, int irq,
ret = regmap_add_irq_chip(tps65910->regmap, tps65910->chip_irq,
IRQF_ONESHOT, pdata->irq_base,
tps6591x_irqs_chip, &tps65910->irq_data);
- if (ret < 0)
+ if (ret < 0) {
dev_warn(tps65910->dev, "Failed to add irq_chip %d\n", ret);
+ tps65910->chip_irq = 0;
+ }
return ret;
}

diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index c856d79..714a998 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -74,23 +74,69 @@ int mei_me_cl_by_id(struct mei_device *dev, u8 client_id)

/**
- * mei_io_list_flush - removes list entry belonging to cl.
+ * mei_cl_cmp_id - tells if the clients are the same
*
- * @list: An instance of our list structure
- * @cl: host client
+ * @cl1: host client 1
+ * @cl2: host client 2
+ *
+ * returns true - if the clients has same host and me ids
+ * false - otherwise
+ */
+static inline bool mei_cl_cmp_id(const struct mei_cl *cl1,
+ const struct mei_cl *cl2)
+{
+ return cl1 && cl2 &&
+ (cl1->host_client_id == cl2->host_client_id) &&
+ (cl1->me_client_id == cl2->me_client_id);
+}
+
+/**
+ * mei_io_list_flush - removes cbs belonging to cl.
+ *
+ * @list: an instance of our list structure
+ * @cl: host client, can be NULL for flushing the whole list
+ * @free: whether to free the cbs
*/
-void mei_io_list_flush(struct mei_cl_cb *list, struct mei_cl *cl)
+static void __mei_io_list_flush(struct mei_cl_cb *list,
+ struct mei_cl *cl, bool free)
{
struct mei_cl_cb *cb;
struct mei_cl_cb *next;

+ /* enable removing everything if no cl is specified */
list_for_each_entry_safe(cb, next, &list->list, list) {
- if (cb->cl && mei_cl_cmp_id(cl, cb->cl))
+ if (!cl || (cb->cl && mei_cl_cmp_id(cl, cb->cl))) {
list_del(&cb->list);
+ if (free)
+ mei_io_cb_free(cb);
+ }
}
}

/**
+ * mei_io_list_flush - removes list entry belonging to cl.
+ *
+ * @list: An instance of our list structure
+ * @cl: host client
+ */
+static inline void mei_io_list_flush(struct mei_cl_cb *list, struct mei_cl *cl)
+{
+ __mei_io_list_flush(list, cl, false);
+}
+
+
+/**
+ * mei_io_list_free - removes cb belonging to cl and free them
+ *
+ * @list: An instance of our list structure
+ * @cl: host client
+ */
+static inline void mei_io_list_free(struct mei_cl_cb *list, struct mei_cl *cl)
+{
+ __mei_io_list_flush(list, cl, true);
+}
+
+/**
* mei_io_cb_free - free mei_cb_private related memory
*
* @cb: mei callback struct
@@ -196,8 +242,8 @@ int mei_cl_flush_queues(struct mei_cl *cl)

cl_dbg(dev, cl, "remove list entry belonging to cl\n");
mei_io_list_flush(&cl->dev->read_list, cl);
- mei_io_list_flush(&cl->dev->write_list, cl);
- mei_io_list_flush(&cl->dev->write_waiting_list, cl);
+ mei_io_list_free(&cl->dev->write_list, cl);
+ mei_io_list_free(&cl->dev->write_waiting_list, cl);
mei_io_list_flush(&cl->dev->ctrl_wr_list, cl);
mei_io_list_flush(&cl->dev->ctrl_rd_list, cl);
mei_io_list_flush(&cl->dev->amthif_cmd_list, cl);
@@ -941,20 +987,8 @@ void mei_cl_all_wakeup(struct mei_device *dev)
*/
void mei_cl_all_write_clear(struct mei_device *dev)
{
- struct mei_cl_cb *cb, *next;
- struct list_head *list;
-
- list = &dev->write_list.list;
- list_for_each_entry_safe(cb, next, list, list) {
- list_del(&cb->list);
- mei_io_cb_free(cb);
- }
-
- list = &dev->write_waiting_list.list;
- list_for_each_entry_safe(cb, next, list, list) {
- list_del(&cb->list);
- mei_io_cb_free(cb);
- }
+ mei_io_list_free(&dev->write_list, NULL);
+ mei_io_list_free(&dev->write_waiting_list, NULL);
}

diff --git a/drivers/misc/mei/client.h b/drivers/misc/mei/client.h
index c8396e5..0820e12 100644
--- a/drivers/misc/mei/client.h
+++ b/drivers/misc/mei/client.h
@@ -45,8 +45,6 @@ static inline void mei_io_list_init(struct mei_cl_cb *list)
{
INIT_LIST_HEAD(&list->list);
}
-void mei_io_list_flush(struct mei_cl_cb *list, struct mei_cl *cl);
-
/*
* MEI Host Client Functions
*/
@@ -61,22 +59,6 @@ int mei_cl_unlink(struct mei_cl *cl);
int mei_cl_flush_queues(struct mei_cl *cl);
struct mei_cl_cb *mei_cl_find_read_cb(struct mei_cl *cl);

-/**
- * mei_cl_cmp_id - tells if file private data have same id
- *
- * @fe1: private data of 1. file object
- * @fe2: private data of 2. file object
- *
- * returns true - if ids are the same and not NULL
- */
-static inline bool mei_cl_cmp_id(const struct mei_cl *cl1,
- const struct mei_cl *cl2)
-{
- return cl1 && cl2 &&
- (cl1->host_client_id == cl2->host_client_id) &&
- (cl1->me_client_id == cl2->me_client_id);
-}
-

int mei_cl_flow_ctrl_creds(struct mei_cl *cl);

diff --git a/drivers/mmc/host/sdhci-bcm-kona.c b/drivers/mmc/host/sdhci-bcm-kona.c
index 7a190fe..e5565aa 100644
--- a/drivers/mmc/host/sdhci-bcm-kona.c
+++ b/drivers/mmc/host/sdhci-bcm-kona.c
@@ -314,7 +314,7 @@ err_pltfm_free:
return ret;
}

-static int __exit sdhci_bcm_kona_remove(struct platform_device *pdev)
+static int sdhci_bcm_kona_remove(struct platform_device *pdev)
{
return sdhci_pltfm_unregister(pdev);
}
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 59f08c4..1974009 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -1220,6 +1220,7 @@ static int atmel_pmecc_nand_init_params(struct platform_device *pdev,
goto err;
}

+ nand_chip->options |= NAND_NO_SUBPAGE_WRITE;
nand_chip->ecc.read_page = atmel_nand_pmecc_read_page;
nand_chip->ecc.write_page = atmel_nand_pmecc_write_page;

diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index a2a53fe..0471c6a 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1712,7 +1712,7 @@ int ath_cabq_update(struct ath_softc *sc)

ath9k_hw_get_txq_props(sc->sc_ah, qnum, &qi);

- qi.tqi_readyTime = (cur_conf->beacon_interval *
+ qi.tqi_readyTime = (TU_TO_USEC(cur_conf->beacon_interval) *
ATH_CABQ_READY_TIME) / 100;
ath_txq_update(sc, qnum, &qi);

diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 05ee7f1..24ccbe9 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -5176,22 +5176,22 @@ static void b43_nphy_channel_setup(struct b43_wldev *dev,
int ch = new_channel->hw_value;

u16 old_band_5ghz;
- u32 tmp32;
+ u16 tmp16;

old_band_5ghz =
b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
- tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
- b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
+ tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR);
+ b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4);
b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
- b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
+ b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16);
b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
} else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
- tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
- b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
+ tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR);
+ b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4);
b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF);
- b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
+ b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16);
}

b43_chantab_phy_upload(dev, e);
diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c
index 7aad766..ca9c4f1 100644
--- a/drivers/net/wireless/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/iwlwifi/dvm/main.c
@@ -252,13 +252,17 @@ static void iwl_bg_bt_runtime_config(struct work_struct *work)
struct iwl_priv *priv =
container_of(work, struct iwl_priv, bt_runtime_config);

+ mutex_lock(&priv->mutex);
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return;
+ goto out;

/* dont send host command if rf-kill is on */
if (!iwl_is_ready_rf(priv))
- return;
+ goto out;
+
iwlagn_send_advance_bt_config(priv);
+out:
+ mutex_unlock(&priv->mutex);
}

static void iwl_bg_bt_full_concurrency(struct work_struct *work)
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index cd6ea2e..c68e4ae 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -179,7 +179,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
!iwlwifi_mod_params.sw_crypto)
hw->flags |= IEEE80211_HW_MFP_CAPABLE;

- if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT) {
+ if (0 && mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT) {
hw->flags |= IEEE80211_HW_SUPPORTS_UAPSD;
hw->uapsd_queues = IWL_UAPSD_AC_INFO;
hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
diff --git a/drivers/net/wireless/rtlwifi/rtl8188ee/hw.c b/drivers/net/wireless/rtlwifi/rtl8188ee/hw.c
index e06971b..f923d8c 100644
--- a/drivers/net/wireless/rtlwifi/rtl8188ee/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8188ee/hw.c
@@ -1025,9 +1025,20 @@ int rtl88ee_hw_init(struct ieee80211_hw *hw)
bool rtstatus = true;
int err = 0;
u8 tmp_u1b, u1byte;
+ unsigned long flags;

RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "Rtl8188EE hw init\n");
rtlpriv->rtlhal.being_init_adapter = true;
+ /* As this function can take a very long time (up to 350 ms)
+ * and can be called with irqs disabled, reenable the irqs
+ * to let the other devices continue being serviced.
+ *
+ * It is safe doing so since our own interrupts will only be enabled
+ * in a subsequent step.
+ */
+ local_save_flags(flags);
+ local_irq_enable();
+
rtlpriv->intf_ops->disable_aspm(hw);

tmp_u1b = rtl_read_byte(rtlpriv, REG_SYS_CLKR+1);
@@ -1043,7 +1054,7 @@ int rtl88ee_hw_init(struct ieee80211_hw *hw)
if (rtstatus != true) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Init MAC failed\n");
err = 1;
- return err;
+ goto exit;
}

err = rtl88e_download_fw(hw, false);
@@ -1051,8 +1062,7 @@ int rtl88ee_hw_init(struct ieee80211_hw *hw)
RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
"Failed to download FW. Init HW without FW now..\n");
err = 1;
- rtlhal->fw_ready = false;
- return err;
+ goto exit;
} else {
rtlhal->fw_ready = true;
}
@@ -1135,10 +1145,12 @@ int rtl88ee_hw_init(struct ieee80211_hw *hw)
}
rtl_write_byte(rtlpriv, REG_NAV_CTRL+2, ((30000+127)/128));
rtl88e_dm_init(hw);
+exit:
+ local_irq_restore(flags);
rtlpriv->rtlhal.being_init_adapter = false;
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "end of Rtl8188EE hw init %x\n",
err);
- return 0;
+ return err;
}

static enum version_8188e _rtl88ee_read_chip_version(struct ieee80211_hw *hw)
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
index 189ba12..324aa58 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
@@ -985,6 +985,17 @@ int rtl92cu_hw_init(struct ieee80211_hw *hw)
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
int err = 0;
static bool iqk_initialized;
+ unsigned long flags;
+
+ /* As this function can take a very long time (up to 350 ms)
+ * and can be called with irqs disabled, reenable the irqs
+ * to let the other devices continue being serviced.
+ *
+ * It is safe doing so since our own interrupts will only be enabled
+ * in a subsequent step.
+ */
+ local_save_flags(flags);
+ local_irq_enable();

rtlhal->hw_type = HARDWARE_TYPE_RTL8192CU;
err = _rtl92cu_init_mac(hw);
@@ -997,7 +1008,7 @@ int rtl92cu_hw_init(struct ieee80211_hw *hw)
RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
"Failed to download FW. Init HW without FW now..\n");
err = 1;
- return err;
+ goto exit;
}
rtlhal->last_hmeboxnum = 0; /* h2c */
_rtl92cu_phy_param_tab_init(hw);
@@ -1034,6 +1045,8 @@ int rtl92cu_hw_init(struct ieee80211_hw *hw)
_InitPABias(hw);
_update_mac_setting(hw);
rtl92c_dm_init(hw);
+exit:
+ local_irq_restore(flags);
return err;
}

diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c
index 4f46178..c471400 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c
@@ -955,7 +955,7 @@ int rtl92se_hw_init(struct ieee80211_hw *hw)
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
u8 tmp_byte = 0;
-
+ unsigned long flags;
bool rtstatus = true;
u8 tmp_u1b;
int err = false;
@@ -967,6 +967,16 @@ int rtl92se_hw_init(struct ieee80211_hw *hw)

rtlpci->being_init_adapter = true;

+ /* As this function can take a very long time (up to 350 ms)
+ * and can be called with irqs disabled, reenable the irqs
+ * to let the other devices continue being serviced.
+ *
+ * It is safe doing so since our own interrupts will only be enabled
+ * in a subsequent step.
+ */
+ local_save_flags(flags);
+ local_irq_enable();
+
rtlpriv->intf_ops->disable_aspm(hw);

/* 1. MAC Initialize */
@@ -984,7 +994,8 @@ int rtl92se_hw_init(struct ieee80211_hw *hw)
RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
"Failed to download FW. Init HW without FW now... "
"Please copy FW into /lib/firmware/rtlwifi\n");
- return 1;
+ err = 1;
+ goto exit;
}

/* After FW download, we have to reset MAC register */
@@ -997,7 +1008,8 @@ int rtl92se_hw_init(struct ieee80211_hw *hw)
/* 3. Initialize MAC/PHY Config by MACPHY_reg.txt */
if (!rtl92s_phy_mac_config(hw)) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "MAC Config failed\n");
- return rtstatus;
+ err = rtstatus;
+ goto exit;
}

/* because last function modify RCR, so we update
@@ -1016,7 +1028,8 @@ int rtl92se_hw_init(struct ieee80211_hw *hw)
/* 4. Initialize BB After MAC Config PHY_reg.txt, AGC_Tab.txt */
if (!rtl92s_phy_bb_config(hw)) {
RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, "BB Config failed\n");
- return rtstatus;
+ err = rtstatus;
+ goto exit;
}

/* 5. Initiailze RF RAIO_A.txt RF RAIO_B.txt */
@@ -1033,7 +1046,8 @@ int rtl92se_hw_init(struct ieee80211_hw *hw)

if (!rtl92s_phy_rf_config(hw)) {
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "RF Config failed\n");
- return rtstatus;
+ err = rtstatus;
+ goto exit;
}

/* After read predefined TXT, we must set BB/MAC/RF
@@ -1122,8 +1136,9 @@ int rtl92se_hw_init(struct ieee80211_hw *hw)

rtlpriv->cfg->ops->led_control(hw, LED_CTL_POWER_ON);
rtl92s_dm_init(hw);
+exit:
+ local_irq_restore(flags);
rtlpci->being_init_adapter = false;
-
return err;
}

diff --git a/drivers/net/wireless/rtlwifi/rtl8723ae/hw.c b/drivers/net/wireless/rtlwifi/rtl8723ae/hw.c
index c333dfd..99f6bc5 100644
--- a/drivers/net/wireless/rtlwifi/rtl8723ae/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8723ae/hw.c
@@ -880,14 +880,25 @@ int rtl8723ae_hw_init(struct ieee80211_hw *hw)
bool rtstatus = true;
int err;
u8 tmp_u1b;
+ unsigned long flags;

rtlpriv->rtlhal.being_init_adapter = true;
+ /* As this function can take a very long time (up to 350 ms)
+ * and can be called with irqs disabled, reenable the irqs
+ * to let the other devices continue being serviced.
+ *
+ * It is safe doing so since our own interrupts will only be enabled
+ * in a subsequent step.
+ */
+ local_save_flags(flags);
+ local_irq_enable();
+
rtlpriv->intf_ops->disable_aspm(hw);
rtstatus = _rtl8712e_init_mac(hw);
if (rtstatus != true) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Init MAC failed\n");
err = 1;
- return err;
+ goto exit;
}

err = rtl8723ae_download_fw(hw);
@@ -895,8 +906,7 @@ int rtl8723ae_hw_init(struct ieee80211_hw *hw)
RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
"Failed to download FW. Init HW without FW now..\n");
err = 1;
- rtlhal->fw_ready = false;
- return err;
+ goto exit;
} else {
rtlhal->fw_ready = true;
}
@@ -971,6 +981,8 @@ int rtl8723ae_hw_init(struct ieee80211_hw *hw)
RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "under 1.5V\n");
}
rtl8723ae_dm_init(hw);
+exit:
+ local_irq_restore(flags);
rtlpriv->rtlhal.being_init_adapter = false;
return err;
}
diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c
index e9b7c2c..f26731c 100644
--- a/drivers/pci/host/pci-mvebu.c
+++ b/drivers/pci/host/pci-mvebu.c
@@ -766,7 +766,7 @@ static int mvebu_get_tgt_attr(struct device_node *np, int devfn,

for (i = 0; i < nranges; i++) {
u32 flags = of_read_number(range, 1);
- u32 slot = of_read_number(range, 2);
+ u32 slot = of_read_number(range + 1, 1);
u64 cpuaddr = of_read_number(range + na, pna);
unsigned long rtype;

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 6f01c74..1a8a4fd 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1134,9 +1134,6 @@ static int do_pci_enable_device(struct pci_dev *dev, int bars)
if (dev->msi_enabled || dev->msix_enabled)
return 0;

- if (dev->msi_enabled || dev->msix_enabled)
- return 0;
-
pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
if (pin) {
pci_read_config_word(dev, PCI_COMMAND, &cmd);
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 58b0274..7b5e523 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -8453,9 +8453,21 @@ static void mute_led_exit(void)
tpacpi_led_set(i, false);
}

+static void mute_led_resume(void)
+{
+ int i;
+
+ for (i = 0; i < TPACPI_LED_MAX; i++) {
+ struct tp_led_table *t = &led_tables[i];
+ if (t->state >= 0)
+ mute_led_on_off(t, t->state);
+ }
+}
+
static struct ibm_struct mute_led_driver_data = {
.name = "mute_led",
.exit = mute_led_exit,
+ .resume = mute_led_resume,
};

/****************************************************************************
diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c
index 4f6c205..f0ea4fd 100644
--- a/drivers/regulator/arizona-ldo1.c
+++ b/drivers/regulator/arizona-ldo1.c
@@ -153,11 +153,9 @@ static const struct regulator_desc arizona_ldo1 = {

.vsel_reg = ARIZONA_LDO1_CONTROL_1,
.vsel_mask = ARIZONA_LDO1_VSEL_MASK,
- .bypass_reg = ARIZONA_LDO1_CONTROL_1,
- .bypass_mask = ARIZONA_LDO1_BYPASS,
.min_uV = 900000,
- .uV_step = 50000,
- .n_voltages = 7,
+ .uV_step = 25000,
+ .n_voltages = 13,
.enable_time = 500,

.owner = THIS_MODULE,
@@ -203,6 +201,7 @@ static int arizona_ldo1_probe(struct platform_device *pdev)
*/
switch (arizona->type) {
case WM5102:
+ case WM8997:
desc = &arizona_ldo1_hc;
ldo1->init_data = arizona_ldo1_dvfs;
break;
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index eb5d227..bb86494 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -922,7 +922,7 @@ static int __init con3215_init(void)
raw3215_freelist = req;
}

- cdev = ccw_device_probe_console();
+ cdev = ccw_device_probe_console(&raw3215_ccw_driver);
if (IS_ERR(cdev))
return -ENODEV;

diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c
index 699fd3e..bb6b0df 100644
--- a/drivers/s390/char/con3270.c
+++ b/drivers/s390/char/con3270.c
@@ -576,7 +576,6 @@ static struct console con3270 = {
static int __init
con3270_init(void)
{
- struct ccw_device *cdev;
struct raw3270 *rp;
void *cbuf;
int i;
@@ -591,10 +590,7 @@ con3270_init(void)
cpcmd("TERM AUTOCR OFF", NULL, 0, NULL);
}

- cdev = ccw_device_probe_console();
- if (IS_ERR(cdev))
- return -ENODEV;
- rp = raw3270_setup_console(cdev);
+ rp = raw3270_setup_console();
if (IS_ERR(rp))
return PTR_ERR(rp);

diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 2cdec21..de2c048 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -776,16 +776,24 @@ raw3270_setup_device(struct ccw_device *cdev, struct raw3270 *rp, char *ascebc)
}

#ifdef CONFIG_TN3270_CONSOLE
+/* Tentative definition - see below for actual definition. */
+static struct ccw_driver raw3270_ccw_driver;
+
/*
* Setup 3270 device configured as console.
*/
-struct raw3270 __init *raw3270_setup_console(struct ccw_device *cdev)
+struct raw3270 __init *raw3270_setup_console(void)
{
+ struct ccw_device *cdev;
unsigned long flags;
struct raw3270 *rp;
char *ascebc;
int rc;

+ cdev = ccw_device_probe_console(&raw3270_ccw_driver);
+ if (IS_ERR(cdev))
+ return ERR_CAST(cdev);
+
rp = kzalloc(sizeof(struct raw3270), GFP_KERNEL | GFP_DMA);
ascebc = kzalloc(256, GFP_KERNEL);
rc = raw3270_setup_device(cdev, rp, ascebc);
diff --git a/drivers/s390/char/raw3270.h b/drivers/s390/char/raw3270.h
index 7b73ff8..359276a 100644
--- a/drivers/s390/char/raw3270.h
+++ b/drivers/s390/char/raw3270.h
@@ -190,7 +190,7 @@ raw3270_put_view(struct raw3270_view *view)
wake_up(&raw3270_wait_queue);
}

-struct raw3270 *raw3270_setup_console(struct ccw_device *cdev);
+struct raw3270 *raw3270_setup_console(void);
void raw3270_wait_cons_dev(struct raw3270 *);

/* Notifier for device addition/removal */
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index e4a7ab2..3a33be6 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1610,7 +1610,7 @@ out_unlock:
return rc;
}

-struct ccw_device *ccw_device_probe_console(void)
+struct ccw_device *ccw_device_probe_console(struct ccw_driver *drv)
{
struct io_subchannel_private *io_priv;
struct ccw_device *cdev;
@@ -1632,6 +1632,7 @@ struct ccw_device *ccw_device_probe_console(void)
kfree(io_priv);
return cdev;
}
+ cdev->drv = drv;
set_io_private(sch, io_priv);
ret = ccw_device_console_enable(cdev, sch);
if (ret) {
diff --git a/drivers/spi/spi-efm32.c b/drivers/spi/spi-efm32.c
index d4d3cc5..8933eb7 100644
--- a/drivers/spi/spi-efm32.c
+++ b/drivers/spi/spi-efm32.c
@@ -487,6 +487,9 @@ static int efm32_spi_remove(struct platform_device *pdev)

static const struct of_device_id efm32_spi_dt_ids[] = {
{
+ .compatible = "energymicro,efm32-spi",
+ }, {
+ /* doesn't follow the "vendor,device" scheme, don't use */
.compatible = "efm32,spi",
}, {
/* sentinel */
diff --git a/drivers/staging/serqt_usb2/serqt_usb2.c b/drivers/staging/serqt_usb2/serqt_usb2.c
index 73fc3cc..18d4856 100644
--- a/drivers/staging/serqt_usb2/serqt_usb2.c
+++ b/drivers/staging/serqt_usb2/serqt_usb2.c
@@ -725,7 +725,7 @@ static int qt_startup(struct usb_serial *serial)
goto startup_error;
}

- switch (serial->dev->descriptor.idProduct) {
+ switch (le16_to_cpu(serial->dev->descriptor.idProduct)) {
case QUATECH_DSU100:
case QUATECH_QSU100:
case QUATECH_ESU100A:
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index b8b7c94..55e5a03 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -2468,6 +2468,7 @@ static void iscsit_build_conn_drop_async_message(struct iscsi_conn *conn)
{
struct iscsi_cmd *cmd;
struct iscsi_conn *conn_p;
+ bool found = false;

/*
* Only send a Asynchronous Message on connections whos network
@@ -2476,11 +2477,12 @@ static void iscsit_build_conn_drop_async_message(struct iscsi_conn *conn)
list_for_each_entry(conn_p, &conn->sess->sess_conn_list, conn_list) {
if (conn_p->conn_state == TARG_CONN_STATE_LOGGED_IN) {
iscsit_inc_conn_usage_count(conn_p);
+ found = true;
break;
}
}

- if (!conn_p)
+ if (!found)
return;

cmd = iscsit_allocate_cmd(conn_p, GFP_ATOMIC);
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index 52ae54e..baa8bf4 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -419,13 +419,14 @@ static sense_reason_t compare_and_write_callback(struct se_cmd *cmd)
goto out;
}

- write_sg = kzalloc(sizeof(struct scatterlist) * cmd->t_data_nents,
+ write_sg = kmalloc(sizeof(struct scatterlist) * cmd->t_data_nents,
GFP_KERNEL);
if (!write_sg) {
pr_err("Unable to allocate compare_and_write sg\n");
ret = TCM_OUT_OF_RESOURCES;
goto out;
}
+ sg_init_table(write_sg, cmd->t_data_nents);
/*
* Setup verify and write data payloads from total NumberLBAs.
*/
diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c
index ae52c08..e9fe60f 100644
--- a/drivers/target/tcm_fc/tfc_sess.c
+++ b/drivers/target/tcm_fc/tfc_sess.c
@@ -68,6 +68,7 @@ static struct ft_tport *ft_tport_create(struct fc_lport *lport)

if (tport) {
tport->tpg = tpg;
+ tpg->tport = tport;
return tport;
}

diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
index 9eba119..620da5f 100644
--- a/drivers/tty/hvc/hvc_console.c
+++ b/drivers/tty/hvc/hvc_console.c
@@ -31,6 +31,7 @@
#include <linux/list.h>
#include <linux/module.h>
#include <linux/major.h>
+#include <linux/atomic.h>
#include <linux/sysrq.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
@@ -70,6 +71,9 @@ static struct task_struct *hvc_task;
/* Picks up late kicks after list walk but before schedule() */
static int hvc_kicked;

+/* hvc_init is triggered from hvc_alloc, i.e. only when actually used */
+static atomic_t hvc_needs_init __read_mostly = ATOMIC_INIT(-1);
+
static int hvc_init(void);

#ifdef CONFIG_MAGIC_SYSRQ
@@ -851,7 +855,7 @@ struct hvc_struct *hvc_alloc(uint32_t vtermno, int data,
int i;

/* We wait until a driver actually comes along */
- if (!hvc_driver) {
+ if (atomic_inc_not_zero(&hvc_needs_init)) {
int err = hvc_init();
if (err)
return ERR_PTR(err);
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 4c10837..86093e2 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -2345,8 +2345,12 @@ static ssize_t n_tty_write(struct tty_struct *tty, struct file *file,
if (tty->ops->flush_chars)
tty->ops->flush_chars(tty);
} else {
+ struct n_tty_data *ldata = tty->disc_data;
+
while (nr > 0) {
+ mutex_lock(&ldata->output_lock);
c = tty->ops->write(tty, b, nr);
+ mutex_unlock(&ldata->output_lock);
if (c < 0) {
retval = c;
goto break_out;
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 47aade2..04b55e1 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -959,8 +959,7 @@ EXPORT_SYMBOL_GPL(usb_deregister);
* it doesn't support pre_reset/post_reset/reset_resume or
* because it doesn't support suspend/resume.
*
- * The caller must hold @intf's device's lock, but not its pm_mutex
- * and not @intf->dev.sem.
+ * The caller must hold @intf's device's lock, but not @intf's lock.
*/
void usb_forced_unbind_intf(struct usb_interface *intf)
{
@@ -973,16 +972,37 @@ void usb_forced_unbind_intf(struct usb_interface *intf)
intf->needs_binding = 1;
}

+/*
+ * Unbind drivers for @udev's marked interfaces. These interfaces have
+ * the needs_binding flag set, for example by usb_resume_interface().
+ *
+ * The caller must hold @udev's device lock.
+ */
+static void unbind_marked_interfaces(struct usb_device *udev)
+{
+ struct usb_host_config *config;
+ int i;
+ struct usb_interface *intf;
+
+ config = udev->actconfig;
+ if (config) {
+ for (i = 0; i < config->desc.bNumInterfaces; ++i) {
+ intf = config->interface[i];
+ if (intf->dev.driver && intf->needs_binding)
+ usb_forced_unbind_intf(intf);
+ }
+ }
+}
+
/* Delayed forced unbinding of a USB interface driver and scan
* for rebinding.
*
- * The caller must hold @intf's device's lock, but not its pm_mutex
- * and not @intf->dev.sem.
+ * The caller must hold @intf's device's lock, but not @intf's lock.
*
* Note: Rebinds will be skipped if a system sleep transition is in
* progress and the PM "complete" callback hasn't occurred yet.
*/
-void usb_rebind_intf(struct usb_interface *intf)
+static void usb_rebind_intf(struct usb_interface *intf)
{
int rc;

@@ -999,68 +1019,66 @@ void usb_rebind_intf(struct usb_interface *intf)
}
}

-#ifdef CONFIG_PM
-
-/* Unbind drivers for @udev's interfaces that don't support suspend/resume
- * There is no check for reset_resume here because it can be determined
- * only during resume whether reset_resume is needed.
+/*
+ * Rebind drivers to @udev's marked interfaces. These interfaces have
+ * the needs_binding flag set.
*
* The caller must hold @udev's device lock.
*/
-static void unbind_no_pm_drivers_interfaces(struct usb_device *udev)
+static void rebind_marked_interfaces(struct usb_device *udev)
{
struct usb_host_config *config;
int i;
struct usb_interface *intf;
- struct usb_driver *drv;

config = udev->actconfig;
if (config) {
for (i = 0; i < config->desc.bNumInterfaces; ++i) {
intf = config->interface[i];
-
- if (intf->dev.driver) {
- drv = to_usb_driver(intf->dev.driver);
- if (!drv->suspend || !drv->resume)
- usb_forced_unbind_intf(intf);
- }
+ if (intf->needs_binding)
+ usb_rebind_intf(intf);
}
}
}

-/* Unbind drivers for @udev's interfaces that failed to support reset-resume.
- * These interfaces have the needs_binding flag set by usb_resume_interface().
+/*
+ * Unbind all of @udev's marked interfaces and then rebind all of them.
+ * This ordering is necessary because some drivers claim several interfaces
+ * when they are first probed.
*
* The caller must hold @udev's device lock.
*/
-static void unbind_no_reset_resume_drivers_interfaces(struct usb_device *udev)
+void usb_unbind_and_rebind_marked_interfaces(struct usb_device *udev)
{
- struct usb_host_config *config;
- int i;
- struct usb_interface *intf;
-
- config = udev->actconfig;
- if (config) {
- for (i = 0; i < config->desc.bNumInterfaces; ++i) {
- intf = config->interface[i];
- if (intf->dev.driver && intf->needs_binding)
- usb_forced_unbind_intf(intf);
- }
- }
+ unbind_marked_interfaces(udev);
+ rebind_marked_interfaces(udev);
}

-static void do_rebind_interfaces(struct usb_device *udev)
+#ifdef CONFIG_PM
+
+/* Unbind drivers for @udev's interfaces that don't support suspend/resume
+ * There is no check for reset_resume here because it can be determined
+ * only during resume whether reset_resume is needed.
+ *
+ * The caller must hold @udev's device lock.
+ */
+static void unbind_no_pm_drivers_interfaces(struct usb_device *udev)
{
struct usb_host_config *config;
int i;
struct usb_interface *intf;
+ struct usb_driver *drv;

config = udev->actconfig;
if (config) {
for (i = 0; i < config->desc.bNumInterfaces; ++i) {
intf = config->interface[i];
- if (intf->needs_binding)
- usb_rebind_intf(intf);
+
+ if (intf->dev.driver) {
+ drv = to_usb_driver(intf->dev.driver);
+ if (!drv->suspend || !drv->resume)
+ usb_forced_unbind_intf(intf);
+ }
}
}
}
@@ -1389,7 +1407,7 @@ int usb_resume_complete(struct device *dev)
* whose needs_binding flag is set
*/
if (udev->state != USB_STATE_NOTATTACHED)
- do_rebind_interfaces(udev);
+ rebind_marked_interfaces(udev);
return 0;
}

@@ -1411,7 +1429,7 @@ int usb_resume(struct device *dev, pm_message_t msg)
pm_runtime_disable(dev);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
- unbind_no_reset_resume_drivers_interfaces(udev);
+ unbind_marked_interfaces(udev);
}

/* Avoid PM error messages for devices disconnected while suspended
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index ebcd3bf..4874744 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -5305,10 +5305,11 @@ int usb_reset_device(struct usb_device *udev)
else if (cintf->condition ==
USB_INTERFACE_BOUND)
rebind = 1;
+ if (rebind)
+ cintf->needs_binding = 1;
}
- if (ret == 0 && rebind)
- usb_rebind_intf(cintf);
}
+ usb_unbind_and_rebind_marked_interfaces(udev);
}

usb_autosuspend_device(udev);
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 8238577..0923add7 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -55,7 +55,7 @@ extern int usb_match_one_id_intf(struct usb_device *dev,
extern int usb_match_device(struct usb_device *dev,
const struct usb_device_id *id);
extern void usb_forced_unbind_intf(struct usb_interface *intf);
-extern void usb_rebind_intf(struct usb_interface *intf);
+extern void usb_unbind_and_rebind_marked_interfaces(struct usb_device *udev);

extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port,
struct dev_state *owner);
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index f8af8d4..9e8b28d 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -815,15 +815,15 @@ struct dwc3_event_depevt {
* 12 - VndrDevTstRcved
* @reserved15_12: Reserved, not used
* @event_info: Information about this event
- * @reserved31_24: Reserved, not used
+ * @reserved31_25: Reserved, not used
*/
struct dwc3_event_devt {
u32 one_bit:1;
u32 device_event:7;
u32 type:4;
u32 reserved15_12:4;
- u32 event_info:8;
- u32 reserved31_24:8;
+ u32 event_info:9;
+ u32 reserved31_25:7;
} __packed;

/**
@@ -856,6 +856,19 @@ union dwc3_event {
struct dwc3_event_gevt gevt;
};

+/**
+ * struct dwc3_gadget_ep_cmd_params - representation of endpoint command
+ * parameters
+ * @param2: third parameter
+ * @param1: second parameter
+ * @param0: first parameter
+ */
+struct dwc3_gadget_ep_cmd_params {
+ u32 param2;
+ u32 param1;
+ u32 param0;
+};
+
/*
* DWC3 Features to be used as Driver Data
*/
@@ -881,11 +894,28 @@ static inline void dwc3_host_exit(struct dwc3 *dwc)
#if IS_ENABLED(CONFIG_USB_DWC3_GADGET) || IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)
int dwc3_gadget_init(struct dwc3 *dwc);
void dwc3_gadget_exit(struct dwc3 *dwc);
+int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode);
+int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state);
+int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep,
+ unsigned cmd, struct dwc3_gadget_ep_cmd_params *params);
+int dwc3_send_gadget_generic_command(struct dwc3 *dwc, int cmd, u32 param);
#else
static inline int dwc3_gadget_init(struct dwc3 *dwc)
{ return 0; }
static inline void dwc3_gadget_exit(struct dwc3 *dwc)
{ }
+static inline int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode)
+{ return 0; }
+static inline int dwc3_gadget_set_link_state(struct dwc3 *dwc,
+ enum dwc3_link_state state)
+{ return 0; }
+
+static inline int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep,
+ unsigned cmd, struct dwc3_gadget_ep_cmd_params *params)
+{ return 0; }
+static inline int dwc3_send_gadget_generic_command(struct dwc3 *dwc,
+ int cmd, u32 param)
+{ return 0; }
#endif

/* power management interface */
diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h
index febe1aa..a0ee75b 100644
--- a/drivers/usb/dwc3/gadget.h
+++ b/drivers/usb/dwc3/gadget.h
@@ -56,12 +56,6 @@ struct dwc3;
/* DEPXFERCFG parameter 0 */
#define DWC3_DEPXFERCFG_NUM_XFER_RES(n) ((n) & 0xffff)

-struct dwc3_gadget_ep_cmd_params {
- u32 param2;
- u32 param1;
- u32 param0;
-};
-
/* -------------------------------------------------------------------------- */

#define to_dwc3_request(r) (container_of(r, struct dwc3_request, request))
@@ -85,9 +79,6 @@ static inline void dwc3_gadget_move_request_queued(struct dwc3_request *req)
void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
int status);

-int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode);
-int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state);
-
void dwc3_ep0_interrupt(struct dwc3 *dwc,
const struct dwc3_event_depevt *event);
void dwc3_ep0_out_start(struct dwc3 *dwc);
@@ -95,9 +86,6 @@ int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value);
int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request,
gfp_t gfp_flags);
int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value);
-int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep,
- unsigned cmd, struct dwc3_gadget_ep_cmd_params *params);
-int dwc3_send_gadget_generic_command(struct dwc3 *dwc, int cmd, u32 param);

/**
* dwc3_gadget_ep_get_transfer_index - Gets transfer index from HW
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 2cb52e0..1e53092 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -1827,12 +1827,12 @@ static int atmel_usba_stop(struct usb_gadget *gadget,
toggle_bias(0);
usba_writel(udc, CTRL, USBA_DISABLE_MASK);

- udc->driver = NULL;
-
clk_disable_unprepare(udc->hclk);
clk_disable_unprepare(udc->pclk);

- DBG(DBG_GADGET, "unregistered driver `%s'\n", driver->driver.name);
+ DBG(DBG_GADGET, "unregistered driver `%s'\n", udc->driver->driver.name);
+
+ udc->driver = NULL;

return 0;
}
diff --git a/drivers/usb/gadget/tcm_usb_gadget.c b/drivers/usb/gadget/tcm_usb_gadget.c
index 0f8aad7..460c266 100644
--- a/drivers/usb/gadget/tcm_usb_gadget.c
+++ b/drivers/usb/gadget/tcm_usb_gadget.c
@@ -1613,7 +1613,7 @@ static struct se_wwn *usbg_make_tport(
return ERR_PTR(-ENOMEM);
}
tport->tport_wwpn = wwpn;
- snprintf(tport->tport_name, sizeof(tport->tport_name), wnn_name);
+ snprintf(tport->tport_name, sizeof(tport->tport_name), "%s", wnn_name);
return &tport->tport_wwn;
}

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 1af67a2..d069224 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -190,6 +190,10 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
struct usb_hcd *hcd;

driver = (struct hc_driver *)id->driver_data;
+
+ /* Prevent runtime suspending between USB-2 and USB-3 initialization */
+ pm_runtime_get_noresume(&dev->dev);
+
/* Register the USB 2.0 roothub.
* FIXME: USB core must know to register the USB 2.0 roothub first.
* This is sort of silly, because we could just set the HCD driver flags
@@ -199,7 +203,7 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
retval = usb_hcd_pci_probe(dev, id);

if (retval)
- return retval;
+ goto put_runtime_pm;

/* USB 2.0 roothub is stored in the PCI device now. */
hcd = dev_get_drvdata(&dev->dev);
@@ -228,12 +232,17 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
if (xhci->quirks & XHCI_LPM_SUPPORT)
hcd_to_bus(xhci->shared_hcd)->root_hub->lpm_capable = 1;

+ /* USB-2 and USB-3 roothubs initialized, allow runtime pm suspend */
+ pm_runtime_put_noidle(&dev->dev);
+
return 0;

put_usb3_hcd:
usb_put_hcd(xhci->shared_hcd);
dealloc_usb2_hcd:
usb_hcd_pci_remove(dev);
+put_runtime_pm:
+ pm_runtime_put_noidle(&dev->dev);
return retval;
}

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 4d4499b..b29331e 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -439,7 +439,6 @@ void musb_hnp_stop(struct musb *musb)
static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
u8 devctl)
{
- struct usb_otg *otg = musb->xceiv->otg;
irqreturn_t handled = IRQ_NONE;

dev_dbg(musb->controller, "<== DevCtl=%02x, int_usb=0x%x\n", devctl,
@@ -654,7 +653,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
break;
case OTG_STATE_B_PERIPHERAL:
musb_g_suspend(musb);
- musb->is_active = otg->gadget->b_hnp_enable;
+ musb->is_active = musb->g.b_hnp_enable;
if (musb->is_active) {
musb->xceiv->state = OTG_STATE_B_WAIT_ACON;
dev_dbg(musb->controller, "HNP: Setting timer for b_ase0_brst\n");
@@ -670,7 +669,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
break;
case OTG_STATE_A_HOST:
musb->xceiv->state = OTG_STATE_A_SUSPEND;
- musb->is_active = otg->host->b_hnp_enable;
+ musb->is_active = musb->hcd->self.b_hnp_enable;
break;
case OTG_STATE_B_HOST:
/* Transition to B_PERIPHERAL, see 6.8.2.6 p 44 */
diff --git a/drivers/usb/phy/phy-ulpi.c b/drivers/usb/phy/phy-ulpi.c
index 217339d..17ea3f2 100644
--- a/drivers/usb/phy/phy-ulpi.c
+++ b/drivers/usb/phy/phy-ulpi.c
@@ -47,6 +47,8 @@ struct ulpi_info {
static struct ulpi_info ulpi_ids[] = {
ULPI_INFO(ULPI_ID(0x04cc, 0x1504), "NXP ISP1504"),
ULPI_INFO(ULPI_ID(0x0424, 0x0006), "SMSC USB331x"),
+ ULPI_INFO(ULPI_ID(0x0424, 0x0007), "SMSC USB3320"),
+ ULPI_INFO(ULPI_ID(0x0451, 0x1507), "TI TUSB1210"),
};

static int ulpi_set_otg_flags(struct usb_phy *phy)
diff --git a/drivers/video/aty/mach64_accel.c b/drivers/video/aty/mach64_accel.c
index e45833c..182bd68 100644
--- a/drivers/video/aty/mach64_accel.c
+++ b/drivers/video/aty/mach64_accel.c
@@ -4,6 +4,7 @@
*/

#include <linux/delay.h>
+#include <asm/unaligned.h>
#include <linux/fb.h>
#include <video/mach64.h>
#include "atyfb.h"
@@ -419,7 +420,7 @@ void atyfb_imageblit(struct fb_info *info, const struct fb_image *image)
u32 *pbitmap, dwords = (src_bytes + 3) / 4;
for (pbitmap = (u32*)(image->data); dwords; dwords--, pbitmap++) {
wait_for_fifo(1, par);
- aty_st_le32(HOST_DATA0, le32_to_cpup(pbitmap), par);
+ aty_st_le32(HOST_DATA0, get_unaligned_le32(pbitmap), par);
}
}

diff --git a/drivers/video/aty/mach64_cursor.c b/drivers/video/aty/mach64_cursor.c
index 95ec042..0fe02e2 100644
--- a/drivers/video/aty/mach64_cursor.c
+++ b/drivers/video/aty/mach64_cursor.c
@@ -5,6 +5,7 @@
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/string.h>
+#include "../fb_draw.h"

#include <asm/io.h>

@@ -157,24 +158,33 @@ static int atyfb_cursor(struct fb_info *info, struct fb_cursor *cursor)

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
+ u16 l = 0xaaaa;
b = *src++;
m = *msk++;
switch (cursor->rop) {
case ROP_XOR:
// Upper 4 bits of mask data
- fb_writeb(cursor_bits_lookup[(b ^ m) >> 4], dst++);
+ l = cursor_bits_lookup[(b ^ m) >> 4] |
// Lower 4 bits of mask
- fb_writeb(cursor_bits_lookup[(b ^ m) & 0x0f],
- dst++);
+ (cursor_bits_lookup[(b ^ m) & 0x0f] << 8);
break;
case ROP_COPY:
// Upper 4 bits of mask data
- fb_writeb(cursor_bits_lookup[(b & m) >> 4], dst++);
+ l = cursor_bits_lookup[(b & m) >> 4] |
// Lower 4 bits of mask
- fb_writeb(cursor_bits_lookup[(b & m) & 0x0f],
- dst++);
+ (cursor_bits_lookup[(b & m) & 0x0f] << 8);
break;
}
+ /*
+ * If cursor size is not a multiple of 8 characters
+ * we must pad it with transparent pattern (0xaaaa).
+ */
+ if ((j + 1) * 8 > cursor->image.width) {
+ l = comp(l, 0xaaaa,
+ (1 << ((cursor->image.width & 7) * 2)) - 1);
+ }
+ fb_writeb(l & 0xff, dst++);
+ fb_writeb(l >> 8, dst++);
}
dst += offset;
}
diff --git a/drivers/video/cfbcopyarea.c b/drivers/video/cfbcopyarea.c
index bb5a96b..bcb5723 100644
--- a/drivers/video/cfbcopyarea.c
+++ b/drivers/video/cfbcopyarea.c
@@ -43,13 +43,22 @@
*/

static void
-bitcpy(struct fb_info *p, unsigned long __iomem *dst, int dst_idx,
- const unsigned long __iomem *src, int src_idx, int bits,
+bitcpy(struct fb_info *p, unsigned long __iomem *dst, unsigned dst_idx,
+ const unsigned long __iomem *src, unsigned src_idx, int bits,
unsigned n, u32 bswapmask)
{
unsigned long first, last;
int const shift = dst_idx-src_idx;
- int left, right;
+
+#if 0
+ /*
+ * If you suspect bug in this function, compare it with this simple
+ * memmove implementation.
+ */
+ fb_memmove((char *)dst + ((dst_idx & (bits - 1))) / 8,
+ (char *)src + ((src_idx & (bits - 1))) / 8, n / 8);
+ return;
+#endif

first = fb_shifted_pixels_mask_long(p, dst_idx, bswapmask);
last = ~fb_shifted_pixels_mask_long(p, (dst_idx+n) % bits, bswapmask);
@@ -98,9 +107,8 @@ bitcpy(struct fb_info *p, unsigned long __iomem *dst, int dst_idx,
unsigned long d0, d1;
int m;

- right = shift & (bits - 1);
- left = -shift & (bits - 1);
- bswapmask &= shift;
+ int const left = shift & (bits - 1);
+ int const right = -shift & (bits - 1);

if (dst_idx+n <= bits) {
// Single destination word
@@ -110,15 +118,15 @@ bitcpy(struct fb_info *p, unsigned long __iomem *dst, int dst_idx,
d0 = fb_rev_pixels_in_long(d0, bswapmask);
if (shift > 0) {
// Single source word
- d0 >>= right;
+ d0 <<= left;
} else if (src_idx+n <= bits) {
// Single source word
- d0 <<= left;
+ d0 >>= right;
} else {
// 2 source words
d1 = FB_READL(src + 1);
d1 = fb_rev_pixels_in_long(d1, bswapmask);
- d0 = d0<<left | d1>>right;
+ d0 = d0 >> right | d1 << left;
}
d0 = fb_rev_pixels_in_long(d0, bswapmask);
FB_WRITEL(comp(d0, FB_READL(dst), first), dst);
@@ -135,60 +143,59 @@ bitcpy(struct fb_info *p, unsigned long __iomem *dst, int dst_idx,
if (shift > 0) {
// Single source word
d1 = d0;
- d0 >>= right;
- dst++;
+ d0 <<= left;
n -= bits - dst_idx;
} else {
// 2 source words
d1 = FB_READL(src++);
d1 = fb_rev_pixels_in_long(d1, bswapmask);

- d0 = d0<<left | d1>>right;
- dst++;
+ d0 = d0 >> right | d1 << left;
n -= bits - dst_idx;
}
d0 = fb_rev_pixels_in_long(d0, bswapmask);
FB_WRITEL(comp(d0, FB_READL(dst), first), dst);
d0 = d1;
+ dst++;

// Main chunk
m = n % bits;
n /= bits;
while ((n >= 4) && !bswapmask) {
d1 = FB_READL(src++);
- FB_WRITEL(d0 << left | d1 >> right, dst++);
+ FB_WRITEL(d0 >> right | d1 << left, dst++);
d0 = d1;
d1 = FB_READL(src++);
- FB_WRITEL(d0 << left | d1 >> right, dst++);
+ FB_WRITEL(d0 >> right | d1 << left, dst++);
d0 = d1;
d1 = FB_READL(src++);
- FB_WRITEL(d0 << left | d1 >> right, dst++);
+ FB_WRITEL(d0 >> right | d1 << left, dst++);
d0 = d1;
d1 = FB_READL(src++);
- FB_WRITEL(d0 << left | d1 >> right, dst++);
+ FB_WRITEL(d0 >> right | d1 << left, dst++);
d0 = d1;
n -= 4;
}
while (n--) {
d1 = FB_READL(src++);
d1 = fb_rev_pixels_in_long(d1, bswapmask);
- d0 = d0 << left | d1 >> right;
+ d0 = d0 >> right | d1 << left;
d0 = fb_rev_pixels_in_long(d0, bswapmask);
FB_WRITEL(d0, dst++);
d0 = d1;
}

// Trailing bits
- if (last) {
- if (m <= right) {
+ if (m) {
+ if (m <= bits - right) {
// Single source word
- d0 <<= left;
+ d0 >>= right;
} else {
// 2 source words
d1 = FB_READL(src);
d1 = fb_rev_pixels_in_long(d1,
bswapmask);
- d0 = d0<<left | d1>>right;
+ d0 = d0 >> right | d1 << left;
}
d0 = fb_rev_pixels_in_long(d0, bswapmask);
FB_WRITEL(comp(d0, FB_READL(dst), last), dst);
@@ -202,43 +209,46 @@ bitcpy(struct fb_info *p, unsigned long __iomem *dst, int dst_idx,
*/

static void
-bitcpy_rev(struct fb_info *p, unsigned long __iomem *dst, int dst_idx,
- const unsigned long __iomem *src, int src_idx, int bits,
+bitcpy_rev(struct fb_info *p, unsigned long __iomem *dst, unsigned dst_idx,
+ const unsigned long __iomem *src, unsigned src_idx, int bits,
unsigned n, u32 bswapmask)
{
unsigned long first, last;
int shift;

- dst += (n-1)/bits;
- src += (n-1)/bits;
- if ((n-1) % bits) {
- dst_idx += (n-1) % bits;
- dst += dst_idx >> (ffs(bits) - 1);
- dst_idx &= bits - 1;
- src_idx += (n-1) % bits;
- src += src_idx >> (ffs(bits) - 1);
- src_idx &= bits - 1;
- }
+#if 0
+ /*
+ * If you suspect bug in this function, compare it with this simple
+ * memmove implementation.
+ */
+ fb_memmove((char *)dst + ((dst_idx & (bits - 1))) / 8,
+ (char *)src + ((src_idx & (bits - 1))) / 8, n / 8);
+ return;
+#endif
+
+ dst += (dst_idx + n - 1) / bits;
+ src += (src_idx + n - 1) / bits;
+ dst_idx = (dst_idx + n - 1) % bits;
+ src_idx = (src_idx + n - 1) % bits;

shift = dst_idx-src_idx;

- first = fb_shifted_pixels_mask_long(p, bits - 1 - dst_idx, bswapmask);
- last = ~fb_shifted_pixels_mask_long(p, bits - 1 - ((dst_idx-n) % bits),
- bswapmask);
+ first = ~fb_shifted_pixels_mask_long(p, (dst_idx + 1) % bits, bswapmask);
+ last = fb_shifted_pixels_mask_long(p, (bits + dst_idx + 1 - n) % bits, bswapmask);

if (!shift) {
// Same alignment for source and dest

if ((unsigned long)dst_idx+1 >= n) {
// Single word
- if (last)
- first &= last;
- FB_WRITEL( comp( FB_READL(src), FB_READL(dst), first), dst);
+ if (first)
+ last &= first;
+ FB_WRITEL( comp( FB_READL(src), FB_READL(dst), last), dst);
} else {
// Multiple destination words

// Leading bits
- if (first != ~0UL) {
+ if (first) {
FB_WRITEL( comp( FB_READL(src), FB_READL(dst), first), dst);
dst--;
src--;
@@ -262,7 +272,7 @@ bitcpy_rev(struct fb_info *p, unsigned long __iomem *dst, int dst_idx,
FB_WRITEL(FB_READL(src--), dst--);

// Trailing bits
- if (last)
+ if (last != -1UL)
FB_WRITEL( comp( FB_READL(src), FB_READL(dst), last), dst);
}
} else {
@@ -270,29 +280,28 @@ bitcpy_rev(struct fb_info *p, unsigned long __iomem *dst, int dst_idx,
unsigned long d0, d1;
int m;

- int const left = -shift & (bits-1);
- int const right = shift & (bits-1);
- bswapmask &= shift;
+ int const left = shift & (bits-1);
+ int const right = -shift & (bits-1);

if ((unsigned long)dst_idx+1 >= n) {
// Single destination word
- if (last)
- first &= last;
+ if (first)
+ last &= first;
d0 = FB_READL(src);
if (shift < 0) {
// Single source word
- d0 <<= left;
+ d0 >>= right;
} else if (1+(unsigned long)src_idx >= n) {
// Single source word
- d0 >>= right;
+ d0 <<= left;
} else {
// 2 source words
d1 = FB_READL(src - 1);
d1 = fb_rev_pixels_in_long(d1, bswapmask);
- d0 = d0>>right | d1<<left;
+ d0 = d0 << left | d1 >> right;
}
d0 = fb_rev_pixels_in_long(d0, bswapmask);
- FB_WRITEL(comp(d0, FB_READL(dst), first), dst);
+ FB_WRITEL(comp(d0, FB_READL(dst), last), dst);
} else {
// Multiple destination words
/** We must always remember the last value read, because in case
@@ -307,12 +316,12 @@ bitcpy_rev(struct fb_info *p, unsigned long __iomem *dst, int dst_idx,
if (shift < 0) {
// Single source word
d1 = d0;
- d0 <<= left;
+ d0 >>= right;
} else {
// 2 source words
d1 = FB_READL(src--);
d1 = fb_rev_pixels_in_long(d1, bswapmask);
- d0 = d0>>right | d1<<left;
+ d0 = d0 << left | d1 >> right;
}
d0 = fb_rev_pixels_in_long(d0, bswapmask);
FB_WRITEL(comp(d0, FB_READL(dst), first), dst);
@@ -325,39 +334,39 @@ bitcpy_rev(struct fb_info *p, unsigned long __iomem *dst, int dst_idx,
n /= bits;
while ((n >= 4) && !bswapmask) {
d1 = FB_READL(src--);
- FB_WRITEL(d0 >> right | d1 << left, dst--);
+ FB_WRITEL(d0 << left | d1 >> right, dst--);
d0 = d1;
d1 = FB_READL(src--);
- FB_WRITEL(d0 >> right | d1 << left, dst--);
+ FB_WRITEL(d0 << left | d1 >> right, dst--);
d0 = d1;
d1 = FB_READL(src--);
- FB_WRITEL(d0 >> right | d1 << left, dst--);
+ FB_WRITEL(d0 << left | d1 >> right, dst--);
d0 = d1;
d1 = FB_READL(src--);
- FB_WRITEL(d0 >> right | d1 << left, dst--);
+ FB_WRITEL(d0 << left | d1 >> right, dst--);
d0 = d1;
n -= 4;
}
while (n--) {
d1 = FB_READL(src--);
d1 = fb_rev_pixels_in_long(d1, bswapmask);
- d0 = d0 >> right | d1 << left;
+ d0 = d0 << left | d1 >> right;
d0 = fb_rev_pixels_in_long(d0, bswapmask);
FB_WRITEL(d0, dst--);
d0 = d1;
}

// Trailing bits
- if (last) {
- if (m <= left) {
+ if (m) {
+ if (m <= bits - left) {
// Single source word
- d0 >>= right;
+ d0 <<= left;
} else {
// 2 source words
d1 = FB_READL(src);
d1 = fb_rev_pixels_in_long(d1,
bswapmask);
- d0 = d0>>right | d1<<left;
+ d0 = d0 << left | d1 >> right;
}
d0 = fb_rev_pixels_in_long(d0, bswapmask);
FB_WRITEL(comp(d0, FB_READL(dst), last), dst);
@@ -371,9 +380,9 @@ void cfb_copyarea(struct fb_info *p, const struct fb_copyarea *area)
u32 dx = area->dx, dy = area->dy, sx = area->sx, sy = area->sy;
u32 height = area->height, width = area->width;
unsigned long const bits_per_line = p->fix.line_length*8u;
- unsigned long __iomem *dst = NULL, *src = NULL;
+ unsigned long __iomem *base = NULL;
int bits = BITS_PER_LONG, bytes = bits >> 3;
- int dst_idx = 0, src_idx = 0, rev_copy = 0;
+ unsigned dst_idx = 0, src_idx = 0, rev_copy = 0;
u32 bswapmask = fb_compute_bswapmask(p);

if (p->state != FBINFO_STATE_RUNNING)
@@ -389,7 +398,7 @@ void cfb_copyarea(struct fb_info *p, const struct fb_copyarea *area)

// split the base of the framebuffer into a long-aligned address and the
// index of the first bit
- dst = src = (unsigned long __iomem *)((unsigned long)p->screen_base & ~(bytes-1));
+ base = (unsigned long __iomem *)((unsigned long)p->screen_base & ~(bytes-1));
dst_idx = src_idx = 8*((unsigned long)p->screen_base & (bytes-1));
// add offset of source and target area
dst_idx += dy*bits_per_line + dx*p->var.bits_per_pixel;
@@ -402,20 +411,14 @@ void cfb_copyarea(struct fb_info *p, const struct fb_copyarea *area)
while (height--) {
dst_idx -= bits_per_line;
src_idx -= bits_per_line;
- dst += dst_idx >> (ffs(bits) - 1);
- dst_idx &= (bytes - 1);
- src += src_idx >> (ffs(bits) - 1);
- src_idx &= (bytes - 1);
- bitcpy_rev(p, dst, dst_idx, src, src_idx, bits,
+ bitcpy_rev(p, base + (dst_idx / bits), dst_idx % bits,
+ base + (src_idx / bits), src_idx % bits, bits,
width*p->var.bits_per_pixel, bswapmask);
}
} else {
while (height--) {
- dst += dst_idx >> (ffs(bits) - 1);
- dst_idx &= (bytes - 1);
- src += src_idx >> (ffs(bits) - 1);
- src_idx &= (bytes - 1);
- bitcpy(p, dst, dst_idx, src, src_idx, bits,
+ bitcpy(p, base + (dst_idx / bits), dst_idx % bits,
+ base + (src_idx / bits), src_idx % bits, bits,
width*p->var.bits_per_pixel, bswapmask);
dst_idx += bits_per_line;
src_idx += bits_per_line;
diff --git a/drivers/video/matrox/matroxfb_accel.c b/drivers/video/matrox/matroxfb_accel.c
index 8335a6f..0d5cb85 100644
--- a/drivers/video/matrox/matroxfb_accel.c
+++ b/drivers/video/matrox/matroxfb_accel.c
@@ -192,10 +192,18 @@ void matrox_cfbX_init(struct matrox_fb_info *minfo)
minfo->accel.m_dwg_rect = M_DWG_TRAP | M_DWG_SOLID | M_DWG_ARZERO | M_DWG_SGNZERO | M_DWG_SHIFTZERO;
if (isMilleniumII(minfo)) minfo->accel.m_dwg_rect |= M_DWG_TRANSC;
minfo->accel.m_opmode = mopmode;
+ minfo->accel.m_access = maccess;
+ minfo->accel.m_pitch = mpitch;
}

EXPORT_SYMBOL(matrox_cfbX_init);

+static void matrox_accel_restore_maccess(struct matrox_fb_info *minfo)
+{
+ mga_outl(M_MACCESS, minfo->accel.m_access);
+ mga_outl(M_PITCH, minfo->accel.m_pitch);
+}
+
static void matrox_accel_bmove(struct matrox_fb_info *minfo, int vxres, int sy,
int sx, int dy, int dx, int height, int width)
{
@@ -207,7 +215,8 @@ static void matrox_accel_bmove(struct matrox_fb_info *minfo, int vxres, int sy,
CRITBEGIN

if ((dy < sy) || ((dy == sy) && (dx <= sx))) {
- mga_fifo(2);
+ mga_fifo(4);
+ matrox_accel_restore_maccess(minfo);
mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_SGNZERO |
M_DWG_BFCOL | M_DWG_REPLACE);
mga_outl(M_AR5, vxres);
@@ -215,7 +224,8 @@ static void matrox_accel_bmove(struct matrox_fb_info *minfo, int vxres, int sy,
start = sy*vxres+sx+curr_ydstorg(minfo);
end = start+width;
} else {
- mga_fifo(3);
+ mga_fifo(5);
+ matrox_accel_restore_maccess(minfo);
mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_BFCOL | M_DWG_REPLACE);
mga_outl(M_SGN, 5);
mga_outl(M_AR5, -vxres);
@@ -224,7 +234,8 @@ static void matrox_accel_bmove(struct matrox_fb_info *minfo, int vxres, int sy,
start = end+width;
dy += height-1;
}
- mga_fifo(4);
+ mga_fifo(6);
+ matrox_accel_restore_maccess(minfo);
mga_outl(M_AR0, end);
mga_outl(M_AR3, start);
mga_outl(M_FXBNDRY, ((dx+width)<<16) | dx);
@@ -246,7 +257,8 @@ static void matrox_accel_bmove_lin(struct matrox_fb_info *minfo, int vxres,
CRITBEGIN

if ((dy < sy) || ((dy == sy) && (dx <= sx))) {
- mga_fifo(2);
+ mga_fifo(4);
+ matrox_accel_restore_maccess(minfo);
mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_SGNZERO |
M_DWG_BFCOL | M_DWG_REPLACE);
mga_outl(M_AR5, vxres);
@@ -254,7 +266,8 @@ static void matrox_accel_bmove_lin(struct matrox_fb_info *minfo, int vxres,
start = sy*vxres+sx+curr_ydstorg(minfo);
end = start+width;
} else {
- mga_fifo(3);
+ mga_fifo(5);
+ matrox_accel_restore_maccess(minfo);
mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_BFCOL | M_DWG_REPLACE);
mga_outl(M_SGN, 5);
mga_outl(M_AR5, -vxres);
@@ -263,7 +276,8 @@ static void matrox_accel_bmove_lin(struct matrox_fb_info *minfo, int vxres,
start = end+width;
dy += height-1;
}
- mga_fifo(5);
+ mga_fifo(7);
+ matrox_accel_restore_maccess(minfo);
mga_outl(M_AR0, end);
mga_outl(M_AR3, start);
mga_outl(M_FXBNDRY, ((dx+width)<<16) | dx);
@@ -298,7 +312,8 @@ static void matroxfb_accel_clear(struct matrox_fb_info *minfo, u_int32_t color,

CRITBEGIN

- mga_fifo(5);
+ mga_fifo(7);
+ matrox_accel_restore_maccess(minfo);
mga_outl(M_DWGCTL, minfo->accel.m_dwg_rect | M_DWG_REPLACE);
mga_outl(M_FCOL, color);
mga_outl(M_FXBNDRY, ((sx + width) << 16) | sx);
@@ -341,7 +356,8 @@ static void matroxfb_cfb4_clear(struct matrox_fb_info *minfo, u_int32_t bgx,
width >>= 1;
sx >>= 1;
if (width) {
- mga_fifo(5);
+ mga_fifo(7);
+ matrox_accel_restore_maccess(minfo);
mga_outl(M_DWGCTL, minfo->accel.m_dwg_rect | M_DWG_REPLACE2);
mga_outl(M_FCOL, bgx);
mga_outl(M_FXBNDRY, ((sx + width) << 16) | sx);
@@ -415,7 +431,8 @@ static void matroxfb_1bpp_imageblit(struct matrox_fb_info *minfo, u_int32_t fgx,

CRITBEGIN

- mga_fifo(3);
+ mga_fifo(5);
+ matrox_accel_restore_maccess(minfo);
if (easy)
mga_outl(M_DWGCTL, M_DWG_ILOAD | M_DWG_SGNZERO | M_DWG_SHIFTZERO | M_DWG_BMONOWF | M_DWG_LINEAR | M_DWG_REPLACE);
else
@@ -425,7 +442,8 @@ static void matroxfb_1bpp_imageblit(struct matrox_fb_info *minfo, u_int32_t fgx,
fxbndry = ((xx + width - 1) << 16) | xx;
mmio = minfo->mmio.vbase;

- mga_fifo(6);
+ mga_fifo(8);
+ matrox_accel_restore_maccess(minfo);
mga_writel(mmio, M_FXBNDRY, fxbndry);
mga_writel(mmio, M_AR0, ar0);
mga_writel(mmio, M_AR3, 0);
diff --git a/drivers/video/matrox/matroxfb_base.h b/drivers/video/matrox/matroxfb_base.h
index 11ed57b..556d96c 100644
--- a/drivers/video/matrox/matroxfb_base.h
+++ b/drivers/video/matrox/matroxfb_base.h
@@ -307,6 +307,8 @@ struct matrox_accel_data {
#endif
u_int32_t m_dwg_rect;
u_int32_t m_opmode;
+ u_int32_t m_access;
+ u_int32_t m_pitch;
};

struct v4l2_queryctrl;
diff --git a/drivers/video/tgafb.c b/drivers/video/tgafb.c
index f28674f..412f4c1 100644
--- a/drivers/video/tgafb.c
+++ b/drivers/video/tgafb.c
@@ -188,6 +188,8 @@ tgafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)

if (var->xres_virtual != var->xres || var->yres_virtual != var->yres)
return -EINVAL;
+ if (var->xres * var->yres * (var->bits_per_pixel >> 3) > info->fix.smem_len)
+ return -EINVAL;
if (var->nonstd)
return -EINVAL;
if (1000000000 / var->pixclock > TGA_PLL_MAX_FREQ)
@@ -268,6 +270,7 @@ tgafb_set_par(struct fb_info *info)
par->yres = info->var.yres;
par->pll_freq = pll_freq = 1000000000 / info->var.pixclock;
par->bits_per_pixel = info->var.bits_per_pixel;
+ info->fix.line_length = par->xres * (par->bits_per_pixel >> 3);

tga_type = par->tga_type;

@@ -1142,222 +1145,57 @@ copyarea_line_32bpp(struct fb_info *info, u32 dy, u32 sy,
__raw_writel(TGA_MODE_SBM_24BPP|TGA_MODE_SIMPLE, tga_regs+TGA_MODE_REG);
}

-/* The general case of forward copy in 8bpp mode. */
+/* The (almost) general case of backward copy in 8bpp mode. */
static inline void
-copyarea_foreward_8bpp(struct fb_info *info, u32 dx, u32 dy, u32 sx, u32 sy,
- u32 height, u32 width, u32 line_length)
+copyarea_8bpp(struct fb_info *info, u32 dx, u32 dy, u32 sx, u32 sy,
+ u32 height, u32 width, u32 line_length,
+ const struct fb_copyarea *area)
{
struct tga_par *par = (struct tga_par *) info->par;
- unsigned long i, copied, left;
- unsigned long dpos, spos, dalign, salign, yincr;
- u32 smask_first, dmask_first, dmask_last;
- int pixel_shift, need_prime, need_second;
- unsigned long n64, n32, xincr_first;
+ unsigned i, yincr;
+ int depos, sepos, backward, last_step, step;
+ u32 mask_last;
+ unsigned n32;
void __iomem *tga_regs;
void __iomem *tga_fb;

- yincr = line_length;
- if (dy > sy) {
- dy += height - 1;
- sy += height - 1;
- yincr = -yincr;
- }
-
- /* Compute the offsets and alignments in the frame buffer.
- More than anything else, these control how we do copies. */
- dpos = dy * line_length + dx;
- spos = sy * line_length + sx;
- dalign = dpos & 7;
- salign = spos & 7;
- dpos &= -8;
- spos &= -8;
-
- /* Compute the value for the PIXELSHIFT register. This controls
- both non-co-aligned source and destination and copy direction. */
- if (dalign >= salign)
- pixel_shift = dalign - salign;
- else
- pixel_shift = 8 - (salign - dalign);
-
- /* Figure out if we need an additional priming step for the
- residue register. */
- need_prime = (salign > dalign);
- if (need_prime)
- dpos -= 8;
-
- /* Begin by copying the leading unaligned destination. Copy enough
- to make the next destination address 32-byte aligned. */
- copied = 32 - (dalign + (dpos & 31));
- if (copied == 32)
- copied = 0;
- xincr_first = (copied + 7) & -8;
- smask_first = dmask_first = (1ul << copied) - 1;
- smask_first <<= salign;
- dmask_first <<= dalign + need_prime*8;
- if (need_prime && copied > 24)
- copied -= 8;
- left = width - copied;
-
- /* Care for small copies. */
- if (copied > width) {
- u32 t;
- t = (1ul << width) - 1;
- t <<= dalign + need_prime*8;
- dmask_first &= t;
- left = 0;
- }
-
- /* Attempt to use 64-byte copies. This is only possible if the
- source and destination are co-aligned at 64 bytes. */
- n64 = need_second = 0;
- if ((dpos & 63) == (spos & 63)
- && (height == 1 || line_length % 64 == 0)) {
- /* We may need a 32-byte copy to ensure 64 byte alignment. */
- need_second = (dpos + xincr_first) & 63;
- if ((need_second & 32) != need_second)
- printk(KERN_ERR "tgafb: need_second wrong\n");
- if (left >= need_second + 64) {
- left -= need_second;
- n64 = left / 64;
- left %= 64;
- } else
- need_second = 0;
- }
-
- /* Copy trailing full 32-byte sections. This will be the main
- loop if the 64 byte loop can't be used. */
- n32 = left / 32;
- left %= 32;
-
- /* Copy the trailing unaligned destination. */
- dmask_last = (1ul << left) - 1;
-
- tga_regs = par->tga_regs_base;
- tga_fb = par->tga_fb_base;
-
- /* Set up the MODE and PIXELSHIFT registers. */
- __raw_writel(TGA_MODE_SBM_8BPP|TGA_MODE_COPY, tga_regs+TGA_MODE_REG);
- __raw_writel(pixel_shift, tga_regs+TGA_PIXELSHIFT_REG);
- wmb();
-
- for (i = 0; i < height; ++i) {
- unsigned long j;
- void __iomem *sfb;
- void __iomem *dfb;
-
- sfb = tga_fb + spos;
- dfb = tga_fb + dpos;
- if (dmask_first) {
- __raw_writel(smask_first, sfb);
- wmb();
- __raw_writel(dmask_first, dfb);
- wmb();
- sfb += xincr_first;
- dfb += xincr_first;
- }
-
- if (need_second) {
- __raw_writel(0xffffffff, sfb);
- wmb();
- __raw_writel(0xffffffff, dfb);
- wmb();
- sfb += 32;
- dfb += 32;
- }
-
- if (n64 && (((unsigned long)sfb | (unsigned long)dfb) & 63))
- printk(KERN_ERR
- "tgafb: misaligned copy64 (s:%p, d:%p)\n",
- sfb, dfb);
-
- for (j = 0; j < n64; ++j) {
- __raw_writel(sfb - tga_fb, tga_regs+TGA_COPY64_SRC);
- wmb();
- __raw_writel(dfb - tga_fb, tga_regs+TGA_COPY64_DST);
- wmb();
- sfb += 64;
- dfb += 64;
- }
-
- for (j = 0; j < n32; ++j) {
- __raw_writel(0xffffffff, sfb);
- wmb();
- __raw_writel(0xffffffff, dfb);
- wmb();
- sfb += 32;
- dfb += 32;
- }
-
- if (dmask_last) {
- __raw_writel(0xffffffff, sfb);
- wmb();
- __raw_writel(dmask_last, dfb);
- wmb();
- }
-
- spos += yincr;
- dpos += yincr;
+ /* Do acceleration only if we are aligned on 8 pixels */
+ if ((dx | sx | width) & 7) {
+ cfb_copyarea(info, area);
+ return;
}

- /* Reset the MODE register to normal. */
- __raw_writel(TGA_MODE_SBM_8BPP|TGA_MODE_SIMPLE, tga_regs+TGA_MODE_REG);
-}
-
-/* The (almost) general case of backward copy in 8bpp mode. */
-static inline void
-copyarea_backward_8bpp(struct fb_info *info, u32 dx, u32 dy, u32 sx, u32 sy,
- u32 height, u32 width, u32 line_length,
- const struct fb_copyarea *area)
-{
- struct tga_par *par = (struct tga_par *) info->par;
- unsigned long i, left, yincr;
- unsigned long depos, sepos, dealign, sealign;
- u32 mask_first, mask_last;
- unsigned long n32;
- void __iomem *tga_regs;
- void __iomem *tga_fb;
-
yincr = line_length;
if (dy > sy) {
dy += height - 1;
sy += height - 1;
yincr = -yincr;
}
+ backward = dy == sy && dx > sx && dx < sx + width;

/* Compute the offsets and alignments in the frame buffer.
More than anything else, these control how we do copies. */
- depos = dy * line_length + dx + width;
- sepos = sy * line_length + sx + width;
- dealign = depos & 7;
- sealign = sepos & 7;
-
- /* ??? The documentation appears to be incorrect (or very
- misleading) wrt how pixel shifting works in backward copy
- mode, i.e. when PIXELSHIFT is negative. I give up for now.
- Do handle the common case of co-aligned backward copies,
- but frob everything else back on generic code. */
- if (dealign != sealign) {
- cfb_copyarea(info, area);
- return;
- }
-
- /* We begin the copy with the trailing pixels of the
- unaligned destination. */
- mask_first = (1ul << dealign) - 1;
- left = width - dealign;
-
- /* Care for small copies. */
- if (dealign > width) {
- mask_first ^= (1ul << (dealign - width)) - 1;
- left = 0;
- }
+ depos = dy * line_length + dx;
+ sepos = sy * line_length + sx;
+ if (backward)
+ depos += width, sepos += width;

/* Next copy full words at a time. */
- n32 = left / 32;
- left %= 32;
+ n32 = width / 32;
+ last_step = width % 32;

/* Finally copy the unaligned head of the span. */
- mask_last = -1 << (32 - left);
+ mask_last = (1ul << last_step) - 1;
+
+ if (!backward) {
+ step = 32;
+ last_step = 32;
+ } else {
+ step = -32;
+ last_step = -last_step;
+ sepos -= 32;
+ depos -= 32;
+ }

tga_regs = par->tga_regs_base;
tga_fb = par->tga_fb_base;
@@ -1374,25 +1212,33 @@ copyarea_backward_8bpp(struct fb_info *info, u32 dx, u32 dy, u32 sx, u32 sy,

sfb = tga_fb + sepos;
dfb = tga_fb + depos;
- if (mask_first) {
- __raw_writel(mask_first, sfb);
- wmb();
- __raw_writel(mask_first, dfb);
- wmb();
- }

- for (j = 0; j < n32; ++j) {
- sfb -= 32;
- dfb -= 32;
+ for (j = 0; j < n32; j++) {
+ if (j < 2 && j + 1 < n32 && !backward &&
+ !(((unsigned long)sfb | (unsigned long)dfb) & 63)) {
+ do {
+ __raw_writel(sfb - tga_fb, tga_regs+TGA_COPY64_SRC);
+ wmb();
+ __raw_writel(dfb - tga_fb, tga_regs+TGA_COPY64_DST);
+ wmb();
+ sfb += 64;
+ dfb += 64;
+ j += 2;
+ } while (j + 1 < n32);
+ j--;
+ continue;
+ }
__raw_writel(0xffffffff, sfb);
wmb();
__raw_writel(0xffffffff, dfb);
wmb();
+ sfb += step;
+ dfb += step;
}

if (mask_last) {
- sfb -= 32;
- dfb -= 32;
+ sfb += last_step - step;
+ dfb += last_step - step;
__raw_writel(mask_last, sfb);
wmb();
__raw_writel(mask_last, dfb);
@@ -1453,14 +1299,9 @@ tgafb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
else if (bpp == 32)
cfb_copyarea(info, area);

- /* Detect overlapping source and destination that requires
- a backward copy. */
- else if (dy == sy && dx > sx && dx < sx + width)
- copyarea_backward_8bpp(info, dx, dy, sx, sy, height,
- width, line_length, area);
else
- copyarea_foreward_8bpp(info, dx, dy, sx, sy, height,
- width, line_length);
+ copyarea_8bpp(info, dx, dy, sx, sy, height,
+ width, line_length, area);
}

@@ -1476,6 +1317,7 @@ tgafb_init_fix(struct fb_info *info)
int tga_bus_tc = TGA_BUS_TC(par->dev);
u8 tga_type = par->tga_type;
const char *tga_type_name = NULL;
+ unsigned memory_size;

switch (tga_type) {
case TGA_TYPE_8PLANE:
@@ -1483,21 +1325,25 @@ tgafb_init_fix(struct fb_info *info)
tga_type_name = "Digital ZLXp-E1";
if (tga_bus_tc)
tga_type_name = "Digital ZLX-E1";
+ memory_size = 2097152;
break;
case TGA_TYPE_24PLANE:
if (tga_bus_pci)
tga_type_name = "Digital ZLXp-E2";
if (tga_bus_tc)
tga_type_name = "Digital ZLX-E2";
+ memory_size = 8388608;
break;
case TGA_TYPE_24PLUSZ:
if (tga_bus_pci)
tga_type_name = "Digital ZLXp-E3";
if (tga_bus_tc)
tga_type_name = "Digital ZLX-E3";
+ memory_size = 16777216;
break;
default:
tga_type_name = "Unknown";
+ memory_size = 16777216;
break;
}

@@ -1509,9 +1355,8 @@ tgafb_init_fix(struct fb_info *info)
? FB_VISUAL_PSEUDOCOLOR
: FB_VISUAL_DIRECTCOLOR);

- info->fix.line_length = par->xres * (par->bits_per_pixel >> 3);
info->fix.smem_start = (size_t) par->tga_fb_base;
- info->fix.smem_len = info->fix.line_length * par->yres;
+ info->fix.smem_len = memory_size;
info->fix.mmio_start = (size_t) par->tga_regs_base;
info->fix.mmio_len = 512;

@@ -1635,6 +1480,9 @@ static int tgafb_register(struct device *dev)
modedb_tga = &modedb_tc;
modedbsize_tga = 1;
}
+
+ tgafb_init_fix(info);
+
ret = fb_find_mode(&info->var, info,
mode_option ? mode_option : mode_option_tga,
modedb_tga, modedbsize_tga, NULL,
@@ -1652,7 +1500,6 @@ static int tgafb_register(struct device *dev)
}

tgafb_set_par(info);
- tgafb_init_fix(info);

if (register_framebuffer(info) < 0) {
printk(KERN_ERR "tgafb: Could not register framebuffer\n");
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 5c4a95b..5f8af50 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -310,6 +310,12 @@ static int balloon(void *_vballoon)
else if (diff < 0)
leak_balloon(vb, -diff);
update_balloon_size(vb);
+
+ /*
+ * For large balloon changes, we could spend a lot of time
+ * and always have work to do. Be nice if preempt disabled.
+ */
+ cond_resched();
}
return 0;
}
diff --git a/drivers/w1/w1_netlink.c b/drivers/w1/w1_netlink.c
index 40788c9..73705af 100644
--- a/drivers/w1/w1_netlink.c
+++ b/drivers/w1/w1_netlink.c
@@ -54,28 +54,29 @@ static void w1_send_slave(struct w1_master *dev, u64 rn)
struct w1_netlink_msg *hdr = (struct w1_netlink_msg *)(msg + 1);
struct w1_netlink_cmd *cmd = (struct w1_netlink_cmd *)(hdr + 1);
int avail;
+ u64 *data;

/* update kernel slave list */
w1_slave_found(dev, rn);

avail = dev->priv_size - cmd->len;

- if (avail > 8) {
- u64 *data = (void *)(cmd + 1) + cmd->len;
+ if (avail < 8) {
+ msg->ack++;
+ cn_netlink_send(msg, 0, GFP_KERNEL);

- *data = rn;
- cmd->len += 8;
- hdr->len += 8;
- msg->len += 8;
- return;
+ msg->len = sizeof(struct w1_netlink_msg) +
+ sizeof(struct w1_netlink_cmd);
+ hdr->len = sizeof(struct w1_netlink_cmd);
+ cmd->len = 0;
}

- msg->ack++;
- cn_netlink_send(msg, 0, GFP_KERNEL);
+ data = (void *)(cmd + 1) + cmd->len;

- msg->len = sizeof(struct w1_netlink_msg) + sizeof(struct w1_netlink_cmd);
- hdr->len = sizeof(struct w1_netlink_cmd);
- cmd->len = 0;
+ *data = rn;
+ cmd->len += 8;
+ hdr->len += 8;
+ msg->len += 8;
}

static int w1_process_search_command(struct w1_master *dev, struct cn_msg *msg,
diff --git a/fs/aio.c b/fs/aio.c
index 062a5f6..12a3de0e 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -52,7 +52,8 @@
struct aio_ring {
unsigned id; /* kernel internal index number */
unsigned nr; /* number of io_events */
- unsigned head;
+ unsigned head; /* Written to by userland or under ring_lock
+ * mutex by aio_read_events_ring(). */
unsigned tail;

unsigned magic;
@@ -243,6 +244,11 @@ static void aio_free_ring(struct kioctx *ctx)
{
int i;

+ /* Disconnect the kiotx from the ring file. This prevents future
+ * accesses to the kioctx from page migration.
+ */
+ put_aio_ring_file(ctx);
+
for (i = 0; i < ctx->nr_pages; i++) {
struct page *page;
pr_debug("pid(%d) [%d] page->count=%d\n", current->pid, i,
@@ -254,8 +260,6 @@ static void aio_free_ring(struct kioctx *ctx)
put_page(page);
}

- put_aio_ring_file(ctx);
-
if (ctx->ring_pages && ctx->ring_pages != ctx->internal_pages) {
kfree(ctx->ring_pages);
ctx->ring_pages = NULL;
@@ -283,29 +287,38 @@ static int aio_migratepage(struct address_space *mapping, struct page *new,
{
struct kioctx *ctx;
unsigned long flags;
+ pgoff_t idx;
int rc;

rc = 0;

- /* Make sure the old page hasn't already been changed */
+ /* mapping->private_lock here protects against the kioctx teardown. */
spin_lock(&mapping->private_lock);
ctx = mapping->private_data;
- if (ctx) {
- pgoff_t idx;
- spin_lock_irqsave(&ctx->completion_lock, flags);
- idx = old->index;
- if (idx < (pgoff_t)ctx->nr_pages) {
- if (ctx->ring_pages[idx] != old)
- rc = -EAGAIN;
- } else
- rc = -EINVAL;
- spin_unlock_irqrestore(&ctx->completion_lock, flags);
+ if (!ctx) {
+ rc = -EINVAL;
+ goto out;
+ }
+
+ /* The ring_lock mutex. The prevents aio_read_events() from writing
+ * to the ring's head, and prevents page migration from mucking in
+ * a partially initialized kiotx.
+ */
+ if (!mutex_trylock(&ctx->ring_lock)) {
+ rc = -EAGAIN;
+ goto out;
+ }
+
+ idx = old->index;
+ if (idx < (pgoff_t)ctx->nr_pages) {
+ /* Make sure the old page hasn't already been changed */
+ if (ctx->ring_pages[idx] != old)
+ rc = -EAGAIN;
} else
rc = -EINVAL;
- spin_unlock(&mapping->private_lock);

if (rc != 0)
- return rc;
+ goto out_unlock;

/* Writeback must be complete */
BUG_ON(PageWriteback(old));
@@ -314,38 +327,26 @@ static int aio_migratepage(struct address_space *mapping, struct page *new,
rc = migrate_page_move_mapping(mapping, new, old, NULL, mode, 1);
if (rc != MIGRATEPAGE_SUCCESS) {
put_page(new);
- return rc;
+ goto out_unlock;
}

- /* We can potentially race against kioctx teardown here. Use the
- * address_space's private data lock to protect the mapping's
- * private_data.
+ /* Take completion_lock to prevent other writes to the ring buffer
+ * while the old page is copied to the new. This prevents new
+ * events from being lost.
*/
- spin_lock(&mapping->private_lock);
- ctx = mapping->private_data;
- if (ctx) {
- pgoff_t idx;
- spin_lock_irqsave(&ctx->completion_lock, flags);
- migrate_page_copy(new, old);
- idx = old->index;
- if (idx < (pgoff_t)ctx->nr_pages) {
- /* And only do the move if things haven't changed */
- if (ctx->ring_pages[idx] == old)
- ctx->ring_pages[idx] = new;
- else
- rc = -EAGAIN;
- } else
- rc = -EINVAL;
- spin_unlock_irqrestore(&ctx->completion_lock, flags);
- } else
- rc = -EBUSY;
- spin_unlock(&mapping->private_lock);
+ spin_lock_irqsave(&ctx->completion_lock, flags);
+ migrate_page_copy(new, old);
+ BUG_ON(ctx->ring_pages[idx] != old);
+ ctx->ring_pages[idx] = new;
+ spin_unlock_irqrestore(&ctx->completion_lock, flags);

- if (rc == MIGRATEPAGE_SUCCESS)
- put_page(old);
- else
- put_page(new);
+ /* The old page is no longer accessible. */
+ put_page(old);

+out_unlock:
+ mutex_unlock(&ctx->ring_lock);
+out:
+ spin_unlock(&mapping->private_lock);
return rc;
}
#endif
@@ -380,7 +381,7 @@ static int aio_setup_ring(struct kioctx *ctx)
file = aio_private_file(ctx, nr_pages);
if (IS_ERR(file)) {
ctx->aio_ring_file = NULL;
- return -EAGAIN;
+ return -ENOMEM;
}

ctx->aio_ring_file = file;
@@ -415,7 +416,7 @@ static int aio_setup_ring(struct kioctx *ctx)

if (unlikely(i != nr_pages)) {
aio_free_ring(ctx);
- return -EAGAIN;
+ return -ENOMEM;
}

ctx->mmap_size = nr_pages * PAGE_SIZE;
@@ -429,7 +430,7 @@ static int aio_setup_ring(struct kioctx *ctx)
if (IS_ERR((void *)ctx->mmap_base)) {
ctx->mmap_size = 0;
aio_free_ring(ctx);
- return -EAGAIN;
+ return -ENOMEM;
}

pr_debug("mmap address: 0x%08lx\n", ctx->mmap_base);
@@ -556,6 +557,10 @@ static int ioctx_add_table(struct kioctx *ctx, struct mm_struct *mm)
rcu_read_unlock();
spin_unlock(&mm->ioctx_lock);

+ /* While kioctx setup is in progress,
+ * we are protected from page migration
+ * changes ring_pages by ->ring_lock.
+ */
ring = kmap_atomic(ctx->ring_pages[0]);
ring->id = ctx->id;
kunmap_atomic(ring);
@@ -640,24 +645,28 @@ static struct kioctx *ioctx_alloc(unsigned nr_events)

ctx->max_reqs = nr_events;

- if (percpu_ref_init(&ctx->users, free_ioctx_users))
- goto err;
-
- if (percpu_ref_init(&ctx->reqs, free_ioctx_reqs))
- goto err;
-
spin_lock_init(&ctx->ctx_lock);
spin_lock_init(&ctx->completion_lock);
mutex_init(&ctx->ring_lock);
+ /* Protect against page migration throughout kiotx setup by keeping
+ * the ring_lock mutex held until setup is complete. */
+ mutex_lock(&ctx->ring_lock);
init_waitqueue_head(&ctx->wait);

INIT_LIST_HEAD(&ctx->active_reqs);

+ if (percpu_ref_init(&ctx->users, free_ioctx_users))
+ goto err;
+
+ if (percpu_ref_init(&ctx->reqs, free_ioctx_reqs))
+ goto err;
+
ctx->cpu = alloc_percpu(struct kioctx_cpu);
if (!ctx->cpu)
goto err;

- if (aio_setup_ring(ctx) < 0)
+ err = aio_setup_ring(ctx);
+ if (err < 0)
goto err;

atomic_set(&ctx->reqs_available, ctx->nr_events - 1);
@@ -683,6 +692,9 @@ static struct kioctx *ioctx_alloc(unsigned nr_events)
if (err)
goto err_cleanup;

+ /* Release the ring_lock mutex now that all setup is complete. */
+ mutex_unlock(&ctx->ring_lock);
+
pr_debug("allocated ioctx %p[%ld]: mm=%p mask=0x%x\n",
ctx, ctx->user_id, mm, ctx->nr_events);
return ctx;
@@ -692,6 +704,7 @@ err_cleanup:
err_ctx:
aio_free_ring(ctx);
err:
+ mutex_unlock(&ctx->ring_lock);
free_percpu(ctx->cpu);
free_percpu(ctx->reqs.pcpu_count);
free_percpu(ctx->users.pcpu_count);
@@ -1024,6 +1037,7 @@ static long aio_read_events_ring(struct kioctx *ctx,

mutex_lock(&ctx->ring_lock);

+ /* Access to ->ring_pages here is protected by ctx->ring_lock. */
ring = kmap_atomic(ctx->ring_pages[0]);
head = ring->head;
tail = ring->tail;
diff --git a/fs/dcache.c b/fs/dcache.c
index f7ad6d7..ca02c13 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -3116,19 +3116,22 @@ char *simple_dname(struct dentry *dentry, char *buffer, int buflen)
/*
* Write full pathname from the root of the filesystem into the buffer.
*/
-static char *__dentry_path(struct dentry *dentry, char *buf, int buflen)
+static char *__dentry_path(struct dentry *d, char *buf, int buflen)
{
+ struct dentry *dentry;
char *end, *retval;
int len, seq = 0;
int error = 0;

+ if (buflen < 2)
+ goto Elong;
+
rcu_read_lock();
restart:
+ dentry = d;
end = buf + buflen;
len = buflen;
prepend(&end, &len, "\0", 1);
- if (buflen < 1)
- goto Elong;
/* Get '/' right */
retval = end-1;
*retval = '/';
diff --git a/fs/file_table.c b/fs/file_table.c
index 5fff903..0e5202f 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -208,10 +208,10 @@ static void drop_file_write_access(struct file *file)
struct dentry *dentry = file->f_path.dentry;
struct inode *inode = dentry->d_inode;

- put_write_access(inode);
-
if (special_file(inode->i_mode))
return;
+
+ put_write_access(inode);
if (file_check_writeable(file) != 0)
return;
__mnt_drop_write(mnt);
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 10d6c41..6bf06a0 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -235,6 +235,7 @@ out_err:
if (warned++ == 0)
printk(KERN_WARNING
"lockd_up: makesock failed, error=%d\n", err);
+ svc_shutdown_net(serv, net);
return err;
}

diff --git a/fs/namespace.c b/fs/namespace.c
index 6d0e54e..60ca3a0 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -885,7 +885,7 @@ static struct mount *clone_mnt(struct mount *old, struct dentry *root,
goto out_free;
}

- mnt->mnt.mnt_flags = old->mnt.mnt_flags & ~MNT_WRITE_HOLD;
+ mnt->mnt.mnt_flags = old->mnt.mnt_flags & ~(MNT_WRITE_HOLD|MNT_MARKED);
/* Don't allow unprivileged users to change mount flags */
if ((flag & CL_UNPRIVILEGED) && (mnt->mnt.mnt_flags & MNT_READONLY))
mnt->mnt.mnt_flags |= MNT_LOCK_READONLY;
@@ -1661,9 +1661,9 @@ static int attach_recursive_mnt(struct mount *source_mnt,
if (err)
goto out;
err = propagate_mnt(dest_mnt, dest_mp, source_mnt, &tree_list);
+ lock_mount_hash();
if (err)
goto out_cleanup_ids;
- lock_mount_hash();
for (p = source_mnt; p; p = next_mnt(p, source_mnt))
set_mnt_shared(p);
} else {
@@ -1690,6 +1690,11 @@ static int attach_recursive_mnt(struct mount *source_mnt,
return 0;

out_cleanup_ids:
+ while (!hlist_empty(&tree_list)) {
+ child = hlist_entry(tree_list.first, struct mount, mnt_hash);
+ umount_tree(child, 0);
+ }
+ unlock_mount_hash();
cleanup_group_ids(source_mnt, NULL);
out:
return err;
@@ -2044,7 +2049,7 @@ static int do_add_mount(struct mount *newmnt, struct path *path, int mnt_flags)
struct mount *parent;
int err;

- mnt_flags &= ~(MNT_SHARED | MNT_WRITE_HOLD | MNT_INTERNAL | MNT_DOOMED | MNT_SYNC_UMOUNT);
+ mnt_flags &= ~MNT_INTERNAL_FLAGS;

mp = lock_mount(path);
if (IS_ERR(mp))
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 0e90bf0..134691e 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1070,6 +1070,7 @@ static void nfs4_opendata_free(struct kref *kref)
dput(p->dentry);
nfs_sb_deactive(sb);
nfs_fattr_free_names(&p->f_attr);
+ kfree(p->f_attr.mdsthreshold);
kfree(p);
}

@@ -2246,10 +2247,12 @@ static int _nfs4_do_open(struct inode *dir,
}
}

- if (ctx_th && server->attr_bitmask[2] & FATTR4_WORD2_MDSTHRESHOLD) {
- opendata->f_attr.mdsthreshold = pnfs_mdsthreshold_alloc();
- if (!opendata->f_attr.mdsthreshold)
- goto err_free_label;
+ if (server->attr_bitmask[2] & FATTR4_WORD2_MDSTHRESHOLD) {
+ if (!opendata->f_attr.mdsthreshold) {
+ opendata->f_attr.mdsthreshold = pnfs_mdsthreshold_alloc();
+ if (!opendata->f_attr.mdsthreshold)
+ goto err_free_label;
+ }
opendata->o_arg.open_bitmap = &nfs4_pnfs_open_bitmap[0];
}
if (dentry->d_inode != NULL)
@@ -2277,11 +2280,10 @@ static int _nfs4_do_open(struct inode *dir,
if (opendata->file_created)
*opened |= FILE_CREATED;

- if (pnfs_use_threshold(ctx_th, opendata->f_attr.mdsthreshold, server))
+ if (pnfs_use_threshold(ctx_th, opendata->f_attr.mdsthreshold, server)) {
*ctx_th = opendata->f_attr.mdsthreshold;
- else
- kfree(opendata->f_attr.mdsthreshold);
- opendata->f_attr.mdsthreshold = NULL;
+ opendata->f_attr.mdsthreshold = NULL;
+ }

nfs4_label_free(olabel);

@@ -2291,7 +2293,6 @@ static int _nfs4_do_open(struct inode *dir,
err_free_label:
nfs4_label_free(olabel);
err_opendata_put:
- kfree(opendata->f_attr.mdsthreshold);
nfs4_opendata_put(opendata);
err_put_state_owner:
nfs4_put_state_owner(sp);
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 419572f..b9e7844 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1349,6 +1349,12 @@ nfsd4_proc_compound(struct svc_rqst *rqstp,
/* If op is non-idempotent */
if (opdesc->op_flags & OP_MODIFIES_SOMETHING) {
plen = opdesc->op_rsize_bop(rqstp, op);
+ /*
+ * If there's still another operation, make sure
+ * we'll have space to at least encode an error:
+ */
+ if (resp->opcnt < args->opcnt)
+ plen += COMPOUND_ERR_SLACK_SPACE;
op->status = nfsd4_check_resp_size(resp, plen);
}

@@ -1513,7 +1519,8 @@ static inline u32 nfsd4_setattr_rsize(struct svc_rqst *rqstp, struct nfsd4_op *o

static inline u32 nfsd4_setclientid_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
{
- return (op_encode_hdr_size + 2 + 1024) * sizeof(__be32);
+ return (op_encode_hdr_size + 2 + XDR_QUADLEN(NFS4_VERIFIER_SIZE)) *
+ sizeof(__be32);
}

static inline u32 nfsd4_write_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 105d6fa..e0d91d7 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -5052,7 +5052,6 @@ nfs4_state_destroy_net(struct net *net)
int i;
struct nfs4_client *clp = NULL;
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
- struct rb_node *node, *tmp;

for (i = 0; i < CLIENT_HASH_SIZE; i++) {
while (!list_empty(&nn->conf_id_hashtbl[i])) {
@@ -5061,13 +5060,11 @@ nfs4_state_destroy_net(struct net *net)
}
}

- node = rb_first(&nn->unconf_name_tree);
- while (node != NULL) {
- tmp = node;
- node = rb_next(tmp);
- clp = rb_entry(tmp, struct nfs4_client, cl_namenode);
- rb_erase(tmp, &nn->unconf_name_tree);
- destroy_client(clp);
+ for (i = 0; i < CLIENT_HASH_SIZE; i++) {
+ while (!list_empty(&nn->unconf_id_hashtbl[i])) {
+ clp = list_entry(nn->unconf_id_hashtbl[i].next, struct nfs4_client, cl_idhash);
+ destroy_client(clp);
+ }
}

kfree(nn->sessionid_hashtbl);
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index ee7237f..8d679dc 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -2517,6 +2517,8 @@ out_acl:
goto out;
}
if (bmval2 & FATTR4_WORD2_SUPPATTR_EXCLCREAT) {
+ if ((buflen -= 16) < 0)
+ goto out_resource;
WRITE32(3);
WRITE32(NFSD_SUPPATTR_EXCLCREAT_WORD0);
WRITE32(NFSD_SUPPATTR_EXCLCREAT_WORD1);
@@ -3525,6 +3527,9 @@ nfsd4_encode_test_stateid(struct nfsd4_compoundres *resp, __be32 nfserr,
struct nfsd4_test_stateid_id *stateid, *next;
__be32 *p;

+ if (nfserr)
+ return nfserr;
+
RESERVE_SPACE(4 + (4 * test_stateid->ts_num_ids));
*p++ = htonl(test_stateid->ts_num_ids);

diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 7f55517..f34d9de 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -699,6 +699,11 @@ static ssize_t __write_ports_addfd(char *buf, struct net *net)
if (err != 0 || fd < 0)
return -EINVAL;

+ if (svc_alien_sock(net, fd)) {
+ printk(KERN_ERR "%s: socket net is different to NFSd's one\n", __func__);
+ return -EINVAL;
+ }
+
err = nfsd_create_serv(net);
if (err != 0)
return err;
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index 30f34ab..479eb68 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -282,7 +282,7 @@ void nfsd_lockd_shutdown(void);
* reason.
*/
#define COMPOUND_SLACK_SPACE 140 /* OP_GETFH */
-#define COMPOUND_ERR_SLACK_SPACE 12 /* OP_SETATTR */
+#define COMPOUND_ERR_SLACK_SPACE 16 /* OP_SETATTR */

#define NFSD_LAUNDROMAT_MINTIMEOUT 1 /* seconds */

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 7eea63c..6896f7d 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -407,6 +407,7 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,
umode_t ftype = 0;
__be32 err;
int host_err;
+ bool get_write_count;
int size_change = 0;

if (iap->ia_valid & (ATTR_ATIME | ATTR_MTIME | ATTR_SIZE))
@@ -414,10 +415,18 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,
if (iap->ia_valid & ATTR_SIZE)
ftype = S_IFREG;

+ /* Callers that do fh_verify should do the fh_want_write: */
+ get_write_count = !fhp->fh_dentry;
+
/* Get inode */
err = fh_verify(rqstp, fhp, ftype, accmode);
if (err)
goto out;
+ if (get_write_count) {
+ host_err = fh_want_write(fhp);
+ if (host_err)
+ return nfserrno(host_err);
+ }

dentry = fhp->fh_dentry;
inode = dentry->d_inode;
diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c
index 5b704c6..1edcb14 100644
--- a/fs/ocfs2/buffer_head_io.c
+++ b/fs/ocfs2/buffer_head_io.c
@@ -90,7 +90,6 @@ int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh,
* information for this bh as it's not marked locally
* uptodate. */
ret = -EIO;
- put_bh(bh);
mlog_errno(ret);
}

@@ -420,7 +419,6 @@ int ocfs2_write_super_or_backup(struct ocfs2_super *osb,

if (!buffer_uptodate(bh)) {
ret = -EIO;
- put_bh(bh);
mlog_errno(ret);
}

diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index 7035af0..fe29f79 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -537,7 +537,10 @@ master_here:
/* success! see if any other nodes need recovery */
mlog(0, "DONE mastering recovery of %s:%u here(this=%u)!\n",
dlm->name, dlm->reco.dead_node, dlm->node_num);
- dlm_reset_recovery(dlm);
+ spin_lock(&dlm->spinlock);
+ __dlm_reset_recovery(dlm);
+ dlm->reco.state &= ~DLM_RECO_STATE_FINALIZE;
+ spin_unlock(&dlm->spinlock);
}
dlm_end_recovery(dlm);

@@ -695,6 +698,14 @@ static int dlm_remaster_locks(struct dlm_ctxt *dlm, u8 dead_node)
if (all_nodes_done) {
int ret;

+ /* Set this flag on recovery master to avoid
+ * a new recovery for another dead node start
+ * before the recovery is not done. That may
+ * cause recovery hung.*/
+ spin_lock(&dlm->spinlock);
+ dlm->reco.state |= DLM_RECO_STATE_FINALIZE;
+ spin_unlock(&dlm->spinlock);
+
/* all nodes are now in DLM_RECO_NODE_DATA_DONE state
* just send a finalize message to everyone and
* clean up */
@@ -1750,13 +1761,13 @@ static int dlm_process_recovery_data(struct dlm_ctxt *dlm,
struct dlm_migratable_lockres *mres)
{
struct dlm_migratable_lock *ml;
- struct list_head *queue;
+ struct list_head *queue, *iter;
struct list_head *tmpq = NULL;
struct dlm_lock *newlock = NULL;
struct dlm_lockstatus *lksb = NULL;
int ret = 0;
int i, j, bad;
- struct dlm_lock *lock = NULL;
+ struct dlm_lock *lock;
u8 from = O2NM_MAX_NODES;
unsigned int added = 0;
__be64 c;
@@ -1791,14 +1802,16 @@ static int dlm_process_recovery_data(struct dlm_ctxt *dlm,
/* MIGRATION ONLY! */
BUG_ON(!(mres->flags & DLM_MRES_MIGRATION));

+ lock = NULL;
spin_lock(&res->spinlock);
for (j = DLM_GRANTED_LIST; j <= DLM_BLOCKED_LIST; j++) {
tmpq = dlm_list_idx_to_ptr(res, j);
- list_for_each_entry(lock, tmpq, list) {
- if (lock->ml.cookie != ml->cookie)
- lock = NULL;
- else
+ list_for_each(iter, tmpq) {
+ lock = list_entry(iter,
+ struct dlm_lock, list);
+ if (lock->ml.cookie == ml->cookie)
break;
+ lock = NULL;
}
if (lock)
break;
@@ -2882,8 +2895,8 @@ int dlm_finalize_reco_handler(struct o2net_msg *msg, u32 len, void *data,
BUG();
}
dlm->reco.state &= ~DLM_RECO_STATE_FINALIZE;
+ __dlm_reset_recovery(dlm);
spin_unlock(&dlm->spinlock);
- dlm_reset_recovery(dlm);
dlm_kick_recovery_thread(dlm);
break;
default:
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 4f791f6..2baabab 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -430,7 +430,6 @@ leave:

brelse(new_fe_bh);
brelse(parent_fe_bh);
- kfree(si.name);
kfree(si.value);

ocfs2_free_dir_lookup_result(&lookup);
@@ -1818,7 +1817,6 @@ bail:

brelse(new_fe_bh);
brelse(parent_fe_bh);
- kfree(si.name);
kfree(si.value);
ocfs2_free_dir_lookup_result(&lookup);
if (inode_ac)
diff --git a/fs/open.c b/fs/open.c
index 4b3e1ed..159f3e7 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -641,23 +641,12 @@ out:
static inline int __get_file_write_access(struct inode *inode,
struct vfsmount *mnt)
{
- int error;
- error = get_write_access(inode);
+ int error = get_write_access(inode);
if (error)
return error;
- /*
- * Do not take mount writer counts on
- * special files since no writes to
- * the mount itself will occur.
- */
- if (!special_file(inode->i_mode)) {
- /*
- * Balanced in __fput()
- */
- error = __mnt_want_write(mnt);
- if (error)
- put_write_access(inode);
- }
+ error = __mnt_want_write(mnt);
+ if (error)
+ put_write_access(inode);
return error;
}

@@ -690,12 +679,11 @@ static int do_dentry_open(struct file *f,

path_get(&f->f_path);
inode = f->f_inode = f->f_path.dentry->d_inode;
- if (f->f_mode & FMODE_WRITE) {
+ if (f->f_mode & FMODE_WRITE && !special_file(inode->i_mode)) {
error = __get_file_write_access(inode, f->f_path.mnt);
if (error)
goto cleanup_file;
- if (!special_file(inode->i_mode))
- file_take_write(f);
+ file_take_write(f);
}

f->f_mapping = inode->i_mapping;
@@ -738,7 +726,6 @@ static int do_dentry_open(struct file *f,
cleanup_all:
fops_put(f->f_op);
if (f->f_mode & FMODE_WRITE) {
- put_write_access(inode);
if (!special_file(inode->i_mode)) {
/*
* We don't consider this a real
@@ -746,6 +733,7 @@ cleanup_all:
* because it all happenend right
* here, so just reset the state.
*/
+ put_write_access(inode);
file_reset_write(f);
__mnt_drop_write(f->f_path.mnt);
}
diff --git a/fs/pnode.c b/fs/pnode.c
index 88396df..302bf22 100644
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -164,46 +164,94 @@ static struct mount *propagation_next(struct mount *m,
}
}

-/*
- * return the source mount to be used for cloning
- *
- * @dest the current destination mount
- * @last_dest the last seen destination mount
- * @last_src the last seen source mount
- * @type return CL_SLAVE if the new mount has to be
- * cloned as a slave.
- */
-static struct mount *get_source(struct mount *dest,
- struct mount *last_dest,
- struct mount *last_src,
- int *type)
+static struct mount *next_group(struct mount *m, struct mount *origin)
{
- struct mount *p_last_src = NULL;
- struct mount *p_last_dest = NULL;
-
- while (last_dest != dest->mnt_master) {
- p_last_dest = last_dest;
- p_last_src = last_src;
- last_dest = last_dest->mnt_master;
- last_src = last_src->mnt_master;
+ while (1) {
+ while (1) {
+ struct mount *next;
+ if (!IS_MNT_NEW(m) && !list_empty(&m->mnt_slave_list))
+ return first_slave(m);
+ next = next_peer(m);
+ if (m->mnt_group_id == origin->mnt_group_id) {
+ if (next == origin)
+ return NULL;
+ } else if (m->mnt_slave.next != &next->mnt_slave)
+ break;
+ m = next;
+ }
+ /* m is the last peer */
+ while (1) {
+ struct mount *master = m->mnt_master;
+ if (m->mnt_slave.next != &master->mnt_slave_list)
+ return next_slave(m);
+ m = next_peer(master);
+ if (master->mnt_group_id == origin->mnt_group_id)
+ break;
+ if (master->mnt_slave.next == &m->mnt_slave)
+ break;
+ m = master;
+ }
+ if (m == origin)
+ return NULL;
}
+}

- if (p_last_dest) {
- do {
- p_last_dest = next_peer(p_last_dest);
- } while (IS_MNT_NEW(p_last_dest));
- /* is that a peer of the earlier? */
- if (dest == p_last_dest) {
- *type = CL_MAKE_SHARED;
- return p_last_src;
+/* all accesses are serialized by namespace_sem */
+static struct user_namespace *user_ns;
+static struct mount *last_dest, *last_source, *dest_master;
+static struct mountpoint *mp;
+static struct hlist_head *list;
+
+static int propagate_one(struct mount *m)
+{
+ struct mount *child;
+ int type;
+ /* skip ones added by this propagate_mnt() */
+ if (IS_MNT_NEW(m))
+ return 0;
+ /* skip if mountpoint isn't covered by it */
+ if (!is_subdir(mp->m_dentry, m->mnt.mnt_root))
+ return 0;
+ if (m->mnt_group_id == last_dest->mnt_group_id) {
+ type = CL_MAKE_SHARED;
+ } else {
+ struct mount *n, *p;
+ for (n = m; ; n = p) {
+ p = n->mnt_master;
+ if (p == dest_master || IS_MNT_MARKED(p)) {
+ while (last_dest->mnt_master != p) {
+ last_source = last_source->mnt_master;
+ last_dest = last_source->mnt_parent;
+ }
+ if (n->mnt_group_id != last_dest->mnt_group_id) {
+ last_source = last_source->mnt_master;
+ last_dest = last_source->mnt_parent;
+ }
+ break;
+ }
}
+ type = CL_SLAVE;
+ /* beginning of peer group among the slaves? */
+ if (IS_MNT_SHARED(m))
+ type |= CL_MAKE_SHARED;
}
- /* slave of the earlier, then */
- *type = CL_SLAVE;
- /* beginning of peer group among the slaves? */
- if (IS_MNT_SHARED(dest))
- *type |= CL_MAKE_SHARED;
- return last_src;
+
+ /* Notice when we are propagating across user namespaces */
+ if (m->mnt_ns->user_ns != user_ns)
+ type |= CL_UNPRIVILEGED;
+ child = copy_tree(last_source, last_source->mnt.mnt_root, type);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+ mnt_set_mountpoint(m, mp, child);
+ last_dest = m;
+ last_source = child;
+ if (m->mnt_master != dest_master) {
+ read_seqlock_excl(&mount_lock);
+ SET_MNT_MARK(m->mnt_master);
+ read_sequnlock_excl(&mount_lock);
+ }
+ hlist_add_head(&child->mnt_hash, list);
+ return 0;
}

/*
@@ -222,56 +270,48 @@ static struct mount *get_source(struct mount *dest,
int propagate_mnt(struct mount *dest_mnt, struct mountpoint *dest_mp,
struct mount *source_mnt, struct hlist_head *tree_list)
{
- struct user_namespace *user_ns = current->nsproxy->mnt_ns->user_ns;
- struct mount *m, *child;
+ struct mount *m, *n;
int ret = 0;
- struct mount *prev_dest_mnt = dest_mnt;
- struct mount *prev_src_mnt = source_mnt;
- HLIST_HEAD(tmp_list);
-
- for (m = propagation_next(dest_mnt, dest_mnt); m;
- m = propagation_next(m, dest_mnt)) {
- int type;
- struct mount *source;
-
- if (IS_MNT_NEW(m))
- continue;
-
- source = get_source(m, prev_dest_mnt, prev_src_mnt, &type);
-
- /* Notice when we are propagating across user namespaces */
- if (m->mnt_ns->user_ns != user_ns)
- type |= CL_UNPRIVILEGED;
-
- child = copy_tree(source, source->mnt.mnt_root, type);
- if (IS_ERR(child)) {
- ret = PTR_ERR(child);
- tmp_list = *tree_list;
- tmp_list.first->pprev = &tmp_list.first;
- INIT_HLIST_HEAD(tree_list);
+
+ /*
+ * we don't want to bother passing tons of arguments to
+ * propagate_one(); everything is serialized by namespace_sem,
+ * so globals will do just fine.
+ */
+ user_ns = current->nsproxy->mnt_ns->user_ns;
+ last_dest = dest_mnt;
+ last_source = source_mnt;
+ mp = dest_mp;
+ list = tree_list;
+ dest_master = dest_mnt->mnt_master;
+
+ /* all peers of dest_mnt, except dest_mnt itself */
+ for (n = next_peer(dest_mnt); n != dest_mnt; n = next_peer(n)) {
+ ret = propagate_one(n);
+ if (ret)
goto out;
- }
+ }

- if (is_subdir(dest_mp->m_dentry, m->mnt.mnt_root)) {
- mnt_set_mountpoint(m, dest_mp, child);
- hlist_add_head(&child->mnt_hash, tree_list);
- } else {
- /*
- * This can happen if the parent mount was bind mounted
- * on some subdirectory of a shared/slave mount.
- */
- hlist_add_head(&child->mnt_hash, &tmp_list);
- }
- prev_dest_mnt = m;
- prev_src_mnt = child;
+ /* all slave groups */
+ for (m = next_group(dest_mnt, dest_mnt); m;
+ m = next_group(m, dest_mnt)) {
+ /* everything in that slave group */
+ n = m;
+ do {
+ ret = propagate_one(n);
+ if (ret)
+ goto out;
+ n = next_peer(n);
+ } while (n != m);
}
out:
- lock_mount_hash();
- while (!hlist_empty(&tmp_list)) {
- child = hlist_entry(tmp_list.first, struct mount, mnt_hash);
- umount_tree(child, 0);
+ read_seqlock_excl(&mount_lock);
+ hlist_for_each_entry(n, tree_list, mnt_hash) {
+ m = n->mnt_parent;
+ if (m->mnt_master != dest_mnt->mnt_master)
+ CLEAR_MNT_MARK(m->mnt_master);
}
- unlock_mount_hash();
+ read_sequnlock_excl(&mount_lock);
return ret;
}

diff --git a/fs/pnode.h b/fs/pnode.h
index fc28a27..4a24635 100644
--- a/fs/pnode.h
+++ b/fs/pnode.h
@@ -16,6 +16,9 @@
#define IS_MNT_NEW(m) (!(m)->mnt_ns)
#define CLEAR_MNT_SHARED(m) ((m)->mnt.mnt_flags &= ~MNT_SHARED)
#define IS_MNT_UNBINDABLE(m) ((m)->mnt.mnt_flags & MNT_UNBINDABLE)
+#define IS_MNT_MARKED(m) ((m)->mnt.mnt_flags & MNT_MARKED)
+#define SET_MNT_MARK(m) ((m)->mnt.mnt_flags |= MNT_MARKED)
+#define CLEAR_MNT_MARK(m) ((m)->mnt.mnt_flags &= ~MNT_MARKED)

#define CL_EXPIRE 0x01
#define CL_SLAVE 0x02
diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c
index 1fd2051..af67735 100644
--- a/fs/reiserfs/dir.c
+++ b/fs/reiserfs/dir.c
@@ -125,6 +125,7 @@ int reiserfs_readdir_inode(struct inode *inode, struct dir_context *ctx)
int d_reclen;
char *d_name;
ino_t d_ino;
+ loff_t cur_pos = deh_offset(deh);

if (!de_visible(deh))
/* it is hidden entry */
@@ -196,8 +197,9 @@ int reiserfs_readdir_inode(struct inode *inode, struct dir_context *ctx)
if (local_buf != small_buf) {
kfree(local_buf);
}
- // next entry should be looked for with such offset
- next_pos = deh_offset(deh) + 1;
+
+ /* deh_offset(deh) may be invalid now. */
+ next_pos = cur_pos + 1;

if (item_moved(&tmp_ih, &path_to_entry)) {
set_cpu_key_k_offset(&pos_key,
diff --git a/include/linux/mount.h b/include/linux/mount.h
index 371d346..839bac2 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -44,6 +44,8 @@ struct mnt_namespace;
#define MNT_SHARED_MASK (MNT_UNBINDABLE)
#define MNT_PROPAGATION_MASK (MNT_SHARED | MNT_UNBINDABLE)

+#define MNT_INTERNAL_FLAGS (MNT_SHARED | MNT_WRITE_HOLD | MNT_INTERNAL | \
+ MNT_DOOMED | MNT_SYNC_UMOUNT | MNT_MARKED)

#define MNT_INTERNAL 0x4000

@@ -51,6 +53,7 @@ struct mnt_namespace;
#define MNT_LOCKED 0x800000
#define MNT_DOOMED 0x1000000
#define MNT_SYNC_UMOUNT 0x2000000
+#define MNT_MARKED 0x4000000

struct vfsmount {
struct dentry *mnt_root; /* root of the mounted tree */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 53f97eb..116e301 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1561,6 +1561,24 @@ static inline pid_t task_tgid_vnr(struct task_struct *tsk)
}

+static int pid_alive(const struct task_struct *p);
+static inline pid_t task_ppid_nr_ns(const struct task_struct *tsk, struct pid_namespace *ns)
+{
+ pid_t pid = 0;
+
+ rcu_read_lock();
+ if (pid_alive(tsk))
+ pid = task_tgid_nr_ns(rcu_dereference(tsk->real_parent), ns);
+ rcu_read_unlock();
+
+ return pid;
+}
+
+static inline pid_t task_ppid_nr(const struct task_struct *tsk)
+{
+ return task_ppid_nr_ns(tsk, &init_pid_ns);
+}
+
static inline pid_t task_pgrp_nr_ns(struct task_struct *tsk,
struct pid_namespace *ns)
{
@@ -1600,7 +1618,7 @@ static inline pid_t task_pgrp_nr(struct task_struct *tsk)
*
* Return: 1 if the process is alive. 0 otherwise.
*/
-static inline int pid_alive(struct task_struct *p)
+static inline int pid_alive(const struct task_struct *p)
{
return p->pids[PIDTYPE_PID].pid != NULL;
}
diff --git a/include/linux/sunrpc/svcsock.h b/include/linux/sunrpc/svcsock.h
index 62fd1b7..947009e 100644
--- a/include/linux/sunrpc/svcsock.h
+++ b/include/linux/sunrpc/svcsock.h
@@ -56,6 +56,7 @@ int svc_recv(struct svc_rqst *, long);
int svc_send(struct svc_rqst *);
void svc_drop(struct svc_rqst *);
void svc_sock_update_bufs(struct svc_serv *serv);
+bool svc_alien_sock(struct net *net, int fd);
int svc_addsock(struct svc_serv *serv, const int fd,
char *name_return, const size_t len);
void svc_init_xprt_sock(void);
diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index 4c2301d..2aaf370 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -132,6 +132,7 @@ DEFINE_EVENT(block_rq_with_error, block_rq_requeue,
* block_rq_complete - block IO operation completed by device driver
* @q: queue containing the block operation request
* @rq: block operations request
+ * @nr_bytes: number of completed bytes
*
* The block_rq_complete tracepoint event indicates that some portion
* of operation request has been completed by the device driver. If
@@ -139,11 +140,37 @@ DEFINE_EVENT(block_rq_with_error, block_rq_requeue,
* do for the request. If @rq->bio is non-NULL then there is
* additional work required to complete the request.
*/
-DEFINE_EVENT(block_rq_with_error, block_rq_complete,
+TRACE_EVENT(block_rq_complete,

- TP_PROTO(struct request_queue *q, struct request *rq),
+ TP_PROTO(struct request_queue *q, struct request *rq,
+ unsigned int nr_bytes),

- TP_ARGS(q, rq)
+ TP_ARGS(q, rq, nr_bytes),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( sector_t, sector )
+ __field( unsigned int, nr_sector )
+ __field( int, errors )
+ __array( char, rwbs, RWBS_LEN )
+ __dynamic_array( char, cmd, blk_cmd_buf_len(rq) )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
+ __entry->sector = blk_rq_pos(rq);
+ __entry->nr_sector = nr_bytes >> 9;
+ __entry->errors = rq->errors;
+
+ blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, nr_bytes);
+ blk_dump_cmd(__get_str(cmd), rq);
+ ),
+
+ TP_printk("%d,%d %s (%s) %llu + %u [%d]",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->rwbs, __get_str(cmd),
+ (unsigned long long)__entry->sector,
+ __entry->nr_sector, __entry->errors)
);

DECLARE_EVENT_CLASS(block_rq,
diff --git a/include/uapi/linux/libc-compat.h b/include/uapi/linux/libc-compat.h
index 335e8a7..c140620 100644
--- a/include/uapi/linux/libc-compat.h
+++ b/include/uapi/linux/libc-compat.h
@@ -85,6 +85,12 @@

#endif /* _NETINET_IN_H */

+/* Definitions for xattr.h */
+#if defined(_SYS_XATTR_H)
+#define __UAPI_DEF_XATTR 0
+#else
+#define __UAPI_DEF_XATTR 1
+#endif

/* If we did not see any headers from any supported C libraries,
* or we are being included in the kernel, then define everything
@@ -98,6 +104,9 @@
#define __UAPI_DEF_IPV6_MREQ 1
#define __UAPI_DEF_IPPROTO_V6 1

+/* Definitions for xattr.h */
+#define __UAPI_DEF_XATTR 1
+
#endif /* __GLIBC__ */

#endif /* _UAPI_LIBC_COMPAT_H */
diff --git a/include/uapi/linux/xattr.h b/include/uapi/linux/xattr.h
index e4629b9..a63c146 100644
--- a/include/uapi/linux/xattr.h
+++ b/include/uapi/linux/xattr.h
@@ -7,11 +7,18 @@
Copyright (c) 2001-2002 Silicon Graphics, Inc. All Rights Reserved.
Copyright (c) 2004 Red Hat, Inc., James Morris <jmorris@xxxxxxxxxx>
*/
+
+#include <linux/libc-compat.h>
+
#ifndef _UAPI_LINUX_XATTR_H
#define _UAPI_LINUX_XATTR_H

+#ifdef __UAPI_DEF_XATTR
+#define __USE_KERNEL_XATTR_DEFS
+
#define XATTR_CREATE 0x1 /* set value, fail if attr already exists */
#define XATTR_REPLACE 0x2 /* set value, fail if attr does not exist */
+#endif

/* Namespaces */
#define XATTR_OS2_PREFIX "os2."
diff --git a/kernel/audit.c b/kernel/audit.c
index 15ec13a..7c195fe 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1717,10 +1717,10 @@ void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk)
spin_unlock_irq(&tsk->sighand->siglock);

audit_log_format(ab,
- " ppid=%ld pid=%d auid=%u uid=%u gid=%u"
+ " ppid=%d pid=%d auid=%u uid=%u gid=%u"
" euid=%u suid=%u fsuid=%u"
- " egid=%u sgid=%u fsgid=%u ses=%u tty=%s",
- sys_getppid(),
+ " egid=%u sgid=%u fsgid=%u tty=%s ses=%u",
+ task_ppid_nr(tsk),
tsk->pid,
from_kuid(&init_user_ns, audit_get_loginuid(tsk)),
from_kuid(&init_user_ns, cred->uid),
@@ -1731,7 +1731,7 @@ void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk)
from_kgid(&init_user_ns, cred->egid),
from_kgid(&init_user_ns, cred->sgid),
from_kgid(&init_user_ns, cred->fsgid),
- audit_get_sessionid(tsk), tty);
+ tty, audit_get_sessionid(tsk));

get_task_comm(name, tsk);
audit_log_format(ab, " comm=");
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index ff32843..b590eae 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -459,7 +459,7 @@ static int audit_filter_rules(struct task_struct *tsk,
case AUDIT_PPID:
if (ctx) {
if (!ctx->ppid)
- ctx->ppid = sys_getppid();
+ ctx->ppid = task_ppid_nr(tsk);
result = audit_comparator(ctx->ppid, f->op, f->val);
}
break;
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 06962ba..fcdced1 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -143,6 +143,11 @@ static int min_percpu_pagelist_fract = 8;
static int ngroups_max = NGROUPS_MAX;
static const int cap_last_cap = CAP_LAST_CAP;

+/*this is needed for proc_doulongvec_minmax of sysctl_hung_task_timeout_secs */
+#ifdef CONFIG_DETECT_HUNG_TASK
+static unsigned long hung_task_timeout_max = (LONG_MAX/HZ);
+#endif
+
#ifdef CONFIG_INOTIFY_USER
#include <linux/inotify.h>
#endif
@@ -989,6 +994,7 @@ static struct ctl_table kern_table[] = {
.maxlen = sizeof(unsigned long),
.mode = 0644,
.proc_handler = proc_dohung_task_timeout_secs,
+ .extra2 = &hung_task_timeout_max,
},
{
.procname = "hung_task_warnings",
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index f785aef..ead60f2 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -702,6 +702,7 @@ void blk_trace_shutdown(struct request_queue *q)
* blk_add_trace_rq - Add a trace for a request oriented action
* @q: queue the io is for
* @rq: the source request
+ * @nr_bytes: number of completed bytes
* @what: the action
*
* Description:
@@ -709,7 +710,7 @@ void blk_trace_shutdown(struct request_queue *q)
*
**/
static void blk_add_trace_rq(struct request_queue *q, struct request *rq,
- u32 what)
+ unsigned int nr_bytes, u32 what)
{
struct blk_trace *bt = q->blk_trace;

@@ -718,11 +719,11 @@ static void blk_add_trace_rq(struct request_queue *q, struct request *rq,

if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
what |= BLK_TC_ACT(BLK_TC_PC);
- __blk_add_trace(bt, 0, blk_rq_bytes(rq), rq->cmd_flags,
+ __blk_add_trace(bt, 0, nr_bytes, rq->cmd_flags,
what, rq->errors, rq->cmd_len, rq->cmd);
} else {
what |= BLK_TC_ACT(BLK_TC_FS);
- __blk_add_trace(bt, blk_rq_pos(rq), blk_rq_bytes(rq),
+ __blk_add_trace(bt, blk_rq_pos(rq), nr_bytes,
rq->cmd_flags, what, rq->errors, 0, NULL);
}
}
@@ -730,33 +731,34 @@ static void blk_add_trace_rq(struct request_queue *q, struct request *rq,
static void blk_add_trace_rq_abort(void *ignore,
struct request_queue *q, struct request *rq)
{
- blk_add_trace_rq(q, rq, BLK_TA_ABORT);
+ blk_add_trace_rq(q, rq, blk_rq_bytes(rq), BLK_TA_ABORT);
}

static void blk_add_trace_rq_insert(void *ignore,
struct request_queue *q, struct request *rq)
{
- blk_add_trace_rq(q, rq, BLK_TA_INSERT);
+ blk_add_trace_rq(q, rq, blk_rq_bytes(rq), BLK_TA_INSERT);
}

static void blk_add_trace_rq_issue(void *ignore,
struct request_queue *q, struct request *rq)
{
- blk_add_trace_rq(q, rq, BLK_TA_ISSUE);
+ blk_add_trace_rq(q, rq, blk_rq_bytes(rq), BLK_TA_ISSUE);
}

static void blk_add_trace_rq_requeue(void *ignore,
struct request_queue *q,
struct request *rq)
{
- blk_add_trace_rq(q, rq, BLK_TA_REQUEUE);
+ blk_add_trace_rq(q, rq, blk_rq_bytes(rq), BLK_TA_REQUEUE);
}

static void blk_add_trace_rq_complete(void *ignore,
struct request_queue *q,
- struct request *rq)
+ struct request *rq,
+ unsigned int nr_bytes)
{
- blk_add_trace_rq(q, rq, BLK_TA_COMPLETE);
+ blk_add_trace_rq(q, rq, nr_bytes, BLK_TA_COMPLETE);
}

/**
diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index 8280a5d..7dd33577 100644
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -169,7 +169,7 @@ static int percpu_counter_hotcpu_callback(struct notifier_block *nb,
struct percpu_counter *fbc;

compute_batch_value();
- if (action != CPU_DEAD)
+ if (action != CPU_DEAD && action != CPU_DEAD_FROZEN)
return NOTIFY_OK;

cpu = (unsigned long)hcpu;
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index dee6cf4..aad231c 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1518,6 +1518,7 @@ static unsigned long set_max_huge_pages(struct hstate *h, unsigned long count,
while (min_count < persistent_huge_pages(h)) {
if (!free_pool_huge_page(h, nodes_allowed, 0))
break;
+ cond_resched_lock(&hugetlb_lock);
}
while (count < persistent_huge_pages(h)) {
if (!adjust_pool_surplus(h, nodes_allowed, 1))
diff --git a/mm/internal.h b/mm/internal.h
index 8b6cfd6..fdddbc83 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -369,5 +369,6 @@ unsigned long reclaim_clean_pages_from_list(struct zone *zone,
#define ALLOC_HIGH 0x20 /* __GFP_HIGH set */
#define ALLOC_CPUSET 0x40 /* check for correct cpuset */
#define ALLOC_CMA 0x80 /* allow allocations from CMA areas */
+#define ALLOC_FAIR 0x100 /* fair zone allocation */

#endif /* __MM_INTERNAL_H */
diff --git a/mm/mlock.c b/mm/mlock.c
index 192e6ee..1b12dfa 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -79,6 +79,7 @@ void clear_page_mlock(struct page *page)
*/
void mlock_vma_page(struct page *page)
{
+ /* Serialize with page migration */
BUG_ON(!PageLocked(page));

if (!TestSetPageMlocked(page)) {
@@ -153,6 +154,7 @@ unsigned int munlock_vma_page(struct page *page)
{
unsigned int nr_pages;

+ /* For try_to_munlock() and to serialize with page migration */
BUG_ON(!PageLocked(page));

if (TestClearPageMlocked(page)) {
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 589521d..7376863 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1213,15 +1213,6 @@ void drain_zone_pages(struct zone *zone, struct per_cpu_pages *pcp)
}
local_irq_restore(flags);
}
-static bool gfp_thisnode_allocation(gfp_t gfp_mask)
-{
- return (gfp_mask & GFP_THISNODE) == GFP_THISNODE;
-}
-#else
-static bool gfp_thisnode_allocation(gfp_t gfp_mask)
-{
- return false;
-}
#endif

/*
@@ -1558,12 +1549,7 @@ again:
get_pageblock_migratetype(page));
}

- /*
- * NOTE: GFP_THISNODE allocations do not partake in the kswapd
- * aging protocol, so they can't be fair.
- */
- if (!gfp_thisnode_allocation(gfp_flags))
- __mod_zone_page_state(zone, NR_ALLOC_BATCH, -(1 << order));
+ __mod_zone_page_state(zone, NR_ALLOC_BATCH, -(1 << order));

__count_zone_vm_events(PGALLOC, zone, 1 << order);
zone_statistics(preferred_zone, zone, gfp_flags);
@@ -1929,23 +1915,12 @@ zonelist_scan:
* zone size to ensure fair page aging. The zone a
* page was allocated in should have no effect on the
* time the page has in memory before being reclaimed.
- *
- * Try to stay in local zones in the fastpath. If
- * that fails, the slowpath is entered, which will do
- * another pass starting with the local zones, but
- * ultimately fall back to remote zones that do not
- * partake in the fairness round-robin cycle of this
- * zonelist.
- *
- * NOTE: GFP_THISNODE allocations do not partake in
- * the kswapd aging protocol, so they can't be fair.
*/
- if ((alloc_flags & ALLOC_WMARK_LOW) &&
- !gfp_thisnode_allocation(gfp_mask)) {
- if (zone_page_state(zone, NR_ALLOC_BATCH) <= 0)
- continue;
+ if (alloc_flags & ALLOC_FAIR) {
if (!zone_local(preferred_zone, zone))
continue;
+ if (zone_page_state(zone, NR_ALLOC_BATCH) <= 0)
+ continue;
}
/*
* When allocating a page cache page for writing, we
@@ -2393,32 +2368,40 @@ __alloc_pages_high_priority(gfp_t gfp_mask, unsigned int order,
return page;
}

-static void prepare_slowpath(gfp_t gfp_mask, unsigned int order,
- struct zonelist *zonelist,
- enum zone_type high_zoneidx,
- struct zone *preferred_zone)
+static void reset_alloc_batches(struct zonelist *zonelist,
+ enum zone_type high_zoneidx,
+ struct zone *preferred_zone)
{
struct zoneref *z;
struct zone *zone;

for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) {
- if (!(gfp_mask & __GFP_NO_KSWAPD))
- wakeup_kswapd(zone, order, zone_idx(preferred_zone));
/*
* Only reset the batches of zones that were actually
- * considered in the fast path, we don't want to
- * thrash fairness information for zones that are not
+ * considered in the fairness pass, we don't want to
+ * trash fairness information for zones that are not
* actually part of this zonelist's round-robin cycle.
*/
if (!zone_local(preferred_zone, zone))
continue;
mod_zone_page_state(zone, NR_ALLOC_BATCH,
- high_wmark_pages(zone) -
- low_wmark_pages(zone) -
- zone_page_state(zone, NR_ALLOC_BATCH));
+ high_wmark_pages(zone) - low_wmark_pages(zone) -
+ atomic_long_read(&zone->vm_stat[NR_ALLOC_BATCH]));
}
}

+static void wake_all_kswapds(unsigned int order,
+ struct zonelist *zonelist,
+ enum zone_type high_zoneidx,
+ struct zone *preferred_zone)
+{
+ struct zoneref *z;
+ struct zone *zone;
+
+ for_each_zone_zonelist(zone, z, zonelist, high_zoneidx)
+ wakeup_kswapd(zone, order, zone_idx(preferred_zone));
+}
+
static inline int
gfp_to_alloc_flags(gfp_t gfp_mask)
{
@@ -2507,12 +2490,13 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
* allowed per node queues are empty and that nodes are
* over allocated.
*/
- if (gfp_thisnode_allocation(gfp_mask))
+ if (IS_ENABLED(CONFIG_NUMA) &&
+ (gfp_mask & GFP_THISNODE) == GFP_THISNODE)
goto nopage;

restart:
- prepare_slowpath(gfp_mask, order, zonelist,
- high_zoneidx, preferred_zone);
+ if (!(gfp_mask & __GFP_NO_KSWAPD))
+ wake_all_kswapds(order, zonelist, high_zoneidx, preferred_zone);

/*
* OK, we're below the kswapd watermark and have kicked background
@@ -2689,7 +2673,7 @@ __alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order,
struct page *page = NULL;
int migratetype = allocflags_to_migratetype(gfp_mask);
unsigned int cpuset_mems_cookie;
- int alloc_flags = ALLOC_WMARK_LOW|ALLOC_CPUSET;
+ int alloc_flags = ALLOC_WMARK_LOW|ALLOC_CPUSET|ALLOC_FAIR;
struct mem_cgroup *memcg = NULL;

gfp_mask &= gfp_allowed_mask;
@@ -2730,12 +2714,29 @@ retry_cpuset:
if (allocflags_to_migratetype(gfp_mask) == MIGRATE_MOVABLE)
alloc_flags |= ALLOC_CMA;
#endif
+retry:
/* First allocation attempt */
page = get_page_from_freelist(gfp_mask|__GFP_HARDWALL, nodemask, order,
zonelist, high_zoneidx, alloc_flags,
preferred_zone, migratetype);
if (unlikely(!page)) {
/*
+ * The first pass makes sure allocations are spread
+ * fairly within the local node. However, the local
+ * node might have free pages left after the fairness
+ * batches are exhausted, and remote zones haven't
+ * even been considered yet. Try once more without
+ * fairness, and include remote zones now, before
+ * entering the slowpath and waking kswapd: prefer
+ * spilling to a remote zone over swapping locally.
+ */
+ if (alloc_flags & ALLOC_FAIR) {
+ reset_alloc_batches(zonelist, high_zoneidx,
+ preferred_zone);
+ alloc_flags &= ~ALLOC_FAIR;
+ goto retry;
+ }
+ /*
* Runtime PM, block IO and its error handling path
* can deadlock because I/O on the device might not
* complete.
diff --git a/mm/rmap.c b/mm/rmap.c
index 068522d..b99c742 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1389,9 +1389,19 @@ static int try_to_unmap_cluster(unsigned long cursor, unsigned int *mapcount,
BUG_ON(!page || PageAnon(page));

if (locked_vma) {
- mlock_vma_page(page); /* no-op if already mlocked */
- if (page == check_page)
+ if (page == check_page) {
+ /* we know we have check_page locked */
+ mlock_vma_page(page);
ret = SWAP_MLOCK;
+ } else if (trylock_page(page)) {
+ /*
+ * If we can lock the page, perform mlock.
+ * Otherwise leave the page alone, it will be
+ * eventually encountered again later.
+ */
+ mlock_vma_page(page);
+ unlock_page(page);
+ }
continue; /* don't unmap */
}

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 4aea4e7..1fc9190 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1346,6 +1346,7 @@ void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata);
void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata);
void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata,
__le16 fc, bool acked);
+void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata);
void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);

/* IBSS code */
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 72ad37d..4eef5fd 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2691,8 +2691,8 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, elems,
channel);
if (bss) {
- ieee80211_rx_bss_put(local, bss);
sdata->vif.bss_conf.beacon_rate = bss->beacon_rate;
+ ieee80211_rx_bss_put(local, bss);
}
}

@@ -3487,6 +3487,32 @@ static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
}

#ifdef CONFIG_PM
+void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
+
+ sdata_lock(sdata);
+
+ if (ifmgd->auth_data) {
+ /*
+ * If we are trying to authenticate while suspending, cfg80211
+ * won't know and won't actually abort those attempts, thus we
+ * need to do that ourselves.
+ */
+ ieee80211_send_deauth_disassoc(sdata,
+ ifmgd->auth_data->bss->bssid,
+ IEEE80211_STYPE_DEAUTH,
+ WLAN_REASON_DEAUTH_LEAVING,
+ false, frame_buf);
+ ieee80211_destroy_auth_data(sdata, false);
+ cfg80211_tx_mlme_mgmt(sdata->dev, frame_buf,
+ IEEE80211_DEAUTH_FRAME_LEN);
+ }
+
+ sdata_unlock(sdata);
+}
+
void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 3401262..efb510e 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -101,10 +101,18 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)

/* remove all interfaces that were created in the driver */
list_for_each_entry(sdata, &local->interfaces, list) {
- if (!ieee80211_sdata_running(sdata) ||
- sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
- sdata->vif.type == NL80211_IFTYPE_MONITOR)
+ if (!ieee80211_sdata_running(sdata))
continue;
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_MONITOR:
+ continue;
+ case NL80211_IFTYPE_STATION:
+ ieee80211_mgd_quiesce(sdata);
+ break;
+ default:
+ break;
+ }

drv_remove_interface(local, sdata);
}
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 5b4d030..c45f75f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2880,7 +2880,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
cpu_to_le16(IEEE80211_FCTL_MOREDATA);
}

- if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ if (sdata->vif.type == NL80211_IFTYPE_AP)
sdata = IEEE80211_DEV_TO_SUB_IF(skb->dev);
if (!ieee80211_tx_prepare(sdata, &tx, skb))
break;
diff --git a/net/netfilter/nfnetlink_queue_core.c b/net/netfilter/nfnetlink_queue_core.c
index 21258cf..b241654 100644
--- a/net/netfilter/nfnetlink_queue_core.c
+++ b/net/netfilter/nfnetlink_queue_core.c
@@ -235,22 +235,23 @@ nfqnl_flush(struct nfqnl_instance *queue, nfqnl_cmpfn cmpfn, unsigned long data)
spin_unlock_bh(&queue->lock);
}

-static void
-nfqnl_zcopy(struct sk_buff *to, const struct sk_buff *from, int len, int hlen)
+static int
+nfqnl_zcopy(struct sk_buff *to, struct sk_buff *from, int len, int hlen)
{
int i, j = 0;
int plen = 0; /* length of skb->head fragment */
+ int ret;
struct page *page;
unsigned int offset;

/* dont bother with small payloads */
- if (len <= skb_tailroom(to)) {
- skb_copy_bits(from, 0, skb_put(to, len), len);
- return;
- }
+ if (len <= skb_tailroom(to))
+ return skb_copy_bits(from, 0, skb_put(to, len), len);

if (hlen) {
- skb_copy_bits(from, 0, skb_put(to, hlen), hlen);
+ ret = skb_copy_bits(from, 0, skb_put(to, hlen), hlen);
+ if (unlikely(ret))
+ return ret;
len -= hlen;
} else {
plen = min_t(int, skb_headlen(from), len);
@@ -268,6 +269,11 @@ nfqnl_zcopy(struct sk_buff *to, const struct sk_buff *from, int len, int hlen)
to->len += len + plen;
to->data_len += len + plen;

+ if (unlikely(skb_orphan_frags(from, GFP_ATOMIC))) {
+ skb_tx_error(from);
+ return -ENOMEM;
+ }
+
for (i = 0; i < skb_shinfo(from)->nr_frags; i++) {
if (!len)
break;
@@ -278,6 +284,8 @@ nfqnl_zcopy(struct sk_buff *to, const struct sk_buff *from, int len, int hlen)
j++;
}
skb_shinfo(to)->nr_frags = j;
+
+ return 0;
}

static int
@@ -374,13 +382,16 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue,

skb = nfnetlink_alloc_skb(net, size, queue->peer_portid,
GFP_ATOMIC);
- if (!skb)
+ if (!skb) {
+ skb_tx_error(entskb);
return NULL;
+ }

nlh = nlmsg_put(skb, 0, 0,
NFNL_SUBSYS_QUEUE << 8 | NFQNL_MSG_PACKET,
sizeof(struct nfgenmsg), 0);
if (!nlh) {
+ skb_tx_error(entskb);
kfree_skb(skb);
return NULL;
}
@@ -504,13 +515,15 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue,
nla->nla_type = NFQA_PAYLOAD;
nla->nla_len = nla_attr_size(data_len);

- nfqnl_zcopy(skb, entskb, data_len, hlen);
+ if (nfqnl_zcopy(skb, entskb, data_len, hlen))
+ goto nla_put_failure;
}

nlh->nlmsg_len = skb->len;
return skb;

nla_put_failure:
+ skb_tx_error(entskb);
kfree_skb(skb);
net_err_ratelimited("nf_queue: error creating packet message\n");
return NULL;
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index b6e59f0..d06cb87 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1397,6 +1397,22 @@ static struct svc_sock *svc_setup_socket(struct svc_serv *serv,
return svsk;
}

+bool svc_alien_sock(struct net *net, int fd)
+{
+ int err;
+ struct socket *sock = sockfd_lookup(fd, &err);
+ bool ret = false;
+
+ if (!sock)
+ goto out;
+ if (sock_net(sock->sk) != net)
+ ret = true;
+ sockfd_put(sock);
+out:
+ return ret;
+}
+EXPORT_SYMBOL_GPL(svc_alien_sock);
+
/**
* svc_addsock - add a listener socket to an RPC service
* @serv: pointer to RPC service to which to add a new listener
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 8a7eeac..ad45ce4 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -954,6 +954,7 @@ static int alc_codec_rename_from_preset(struct hda_codec *codec)

static const struct snd_pci_quirk beep_white_list[] = {
SND_PCI_QUIRK(0x1043, 0x103c, "ASUS", 1),
+ SND_PCI_QUIRK(0x1043, 0x115d, "ASUS", 1),
SND_PCI_QUIRK(0x1043, 0x829f, "ASUS", 1),
SND_PCI_QUIRK(0x1043, 0x8376, "EeePC", 1),
SND_PCI_QUIRK(0x1043, 0x83ce, "EeePC", 1),
@@ -2731,6 +2732,89 @@ static void alc269_shutup(struct hda_codec *codec)
snd_hda_shutup_pins(codec);
}

+static void alc283_restore_default_value(struct hda_codec *codec)
+{
+ int val;
+
+ /* Power Down Control */
+ alc_write_coef_idx(codec, 0x03, 0x0002);
+ /* FIFO and filter clock */
+ alc_write_coef_idx(codec, 0x05, 0x0700);
+ /* DMIC control */
+ alc_write_coef_idx(codec, 0x07, 0x0200);
+ /* Analog clock */
+ val = alc_read_coef_idx(codec, 0x06);
+ alc_write_coef_idx(codec, 0x06, (val & ~0x00f0) | 0x0);
+ /* JD */
+ val = alc_read_coef_idx(codec, 0x08);
+ alc_write_coef_idx(codec, 0x08, (val & ~0xfffc) | 0x0c2c);
+ /* JD offset1 */
+ alc_write_coef_idx(codec, 0x0a, 0xcccc);
+ /* JD offset2 */
+ alc_write_coef_idx(codec, 0x0b, 0xcccc);
+ /* LDO1/2/3, DAC/ADC */
+ alc_write_coef_idx(codec, 0x0e, 0x6fc0);
+ /* JD */
+ val = alc_read_coef_idx(codec, 0x0f);
+ alc_write_coef_idx(codec, 0x0f, (val & ~0xf800) | 0x1000);
+ /* Capless */
+ val = alc_read_coef_idx(codec, 0x10);
+ alc_write_coef_idx(codec, 0x10, (val & ~0xfc00) | 0x0c00);
+ /* Class D test 4 */
+ alc_write_coef_idx(codec, 0x3a, 0x0);
+ /* IO power down directly */
+ val = alc_read_coef_idx(codec, 0x0c);
+ alc_write_coef_idx(codec, 0x0c, (val & ~0xfe00) | 0x0);
+ /* ANC */
+ alc_write_coef_idx(codec, 0x22, 0xa0c0);
+ /* AGC MUX */
+ val = alc_read_coefex_idx(codec, 0x53, 0x01);
+ alc_write_coefex_idx(codec, 0x53, 0x01, (val & ~0x000f) | 0x0008);
+ /* DAC simple content protection */
+ val = alc_read_coef_idx(codec, 0x1d);
+ alc_write_coef_idx(codec, 0x1d, (val & ~0x00e0) | 0x0);
+ /* ADC simple content protection */
+ val = alc_read_coef_idx(codec, 0x1f);
+ alc_write_coef_idx(codec, 0x1f, (val & ~0x00e0) | 0x0);
+ /* DAC ADC Zero Detection */
+ alc_write_coef_idx(codec, 0x21, 0x8804);
+ /* PLL */
+ alc_write_coef_idx(codec, 0x2e, 0x2902);
+ /* capless control 2 */
+ alc_write_coef_idx(codec, 0x33, 0xa080);
+ /* capless control 3 */
+ alc_write_coef_idx(codec, 0x34, 0x3400);
+ /* capless control 4 */
+ alc_write_coef_idx(codec, 0x35, 0x2f3e);
+ /* capless control 5 */
+ alc_write_coef_idx(codec, 0x36, 0x0);
+ /* class D test 2 */
+ val = alc_read_coef_idx(codec, 0x38);
+ alc_write_coef_idx(codec, 0x38, (val & ~0x0fff) | 0x0900);
+ /* class D test 3 */
+ alc_write_coef_idx(codec, 0x39, 0x110a);
+ /* class D test 5 */
+ val = alc_read_coef_idx(codec, 0x3b);
+ alc_write_coef_idx(codec, 0x3b, (val & ~0x00f8) | 0x00d8);
+ /* class D test 6 */
+ alc_write_coef_idx(codec, 0x3c, 0x0014);
+ /* classD OCP */
+ alc_write_coef_idx(codec, 0x3d, 0xc2ba);
+ /* classD pure DC test */
+ val = alc_read_coef_idx(codec, 0x42);
+ alc_write_coef_idx(codec, 0x42, (val & ~0x0f80) | 0x0);
+ /* test mode */
+ alc_write_coef_idx(codec, 0x49, 0x0);
+ /* Class D DC enable */
+ val = alc_read_coef_idx(codec, 0x40);
+ alc_write_coef_idx(codec, 0x40, (val & ~0xf800) | 0x9800);
+ /* DC offset */
+ val = alc_read_coef_idx(codec, 0x42);
+ alc_write_coef_idx(codec, 0x42, (val & ~0xf000) | 0x2000);
+ /* Class D amp control */
+ alc_write_coef_idx(codec, 0x37, 0xfc06);
+}
+
static void alc283_init(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
@@ -2738,6 +2822,8 @@ static void alc283_init(struct hda_codec *codec)
bool hp_pin_sense;
int val;

+ alc283_restore_default_value(codec);
+
if (!hp_pin)
return;
hp_pin_sense = snd_hda_jack_detect(codec, hp_pin);
@@ -3071,8 +3157,9 @@ static void alc269_fixup_mic_mute_hook(void *private_data, int enabled)

if (spec->mute_led_polarity)
enabled = !enabled;
- pinval = AC_PINCTL_IN_EN |
- (enabled ? AC_PINCTL_VREF_HIZ : AC_PINCTL_VREF_80);
+ pinval = snd_hda_codec_get_pin_target(codec, spec->mute_led_nid);
+ pinval &= ~AC_PINCTL_VREFEN;
+ pinval |= enabled ? AC_PINCTL_VREF_HIZ : AC_PINCTL_VREF_80;
if (spec->mute_led_nid)
snd_hda_set_pin_ctl_cache(codec, spec->mute_led_nid, pinval);
}
@@ -4306,6 +4393,9 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1028, 0x0616, "Dell Vostro 5470", ALC290_FIXUP_MONO_SPEAKERS),
SND_PCI_QUIRK(0x1028, 0x061f, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x0629, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1028, 0x062c, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1028, 0x062e, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1028, 0x0632, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x0638, "Dell Inspiron 5439", ALC290_FIXUP_MONO_SPEAKERS),
SND_PCI_QUIRK(0x1028, 0x063e, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x063f, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE),
@@ -4318,6 +4408,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1028, 0x0658, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x065f, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x0662, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1028, 0x0667, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x15cc, "Dell X5 Precision", ALC269_FIXUP_DELL2_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x15cd, "Dell X5 Precision", ALC269_FIXUP_DELL2_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2),
diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c
index 28ec872..b6e278f 100644
--- a/sound/pci/ice1712/ice1712.c
+++ b/sound/pci/ice1712/ice1712.c
@@ -685,9 +685,10 @@ static snd_pcm_uframes_t snd_ice1712_playback_pointer(struct snd_pcm_substream *
if (!(snd_ice1712_read(ice, ICE1712_IREG_PBK_CTRL) & 1))
return 0;
ptr = runtime->buffer_size - inw(ice->ddma_port + 4);
+ ptr = bytes_to_frames(substream->runtime, ptr);
if (ptr == runtime->buffer_size)
ptr = 0;
- return bytes_to_frames(substream->runtime, ptr);
+ return ptr;
}

static snd_pcm_uframes_t snd_ice1712_playback_ds_pointer(struct snd_pcm_substream *substream)
@@ -704,9 +705,10 @@ static snd_pcm_uframes_t snd_ice1712_playback_ds_pointer(struct snd_pcm_substrea
addr = ICE1712_DSC_ADDR0;
ptr = snd_ice1712_ds_read(ice, substream->number * 2, addr) -
ice->playback_con_virt_addr[substream->number];
+ ptr = bytes_to_frames(substream->runtime, ptr);
if (ptr == substream->runtime->buffer_size)
ptr = 0;
- return bytes_to_frames(substream->runtime, ptr);
+ return ptr;
}

static snd_pcm_uframes_t snd_ice1712_capture_pointer(struct snd_pcm_substream *substream)
@@ -717,9 +719,10 @@ static snd_pcm_uframes_t snd_ice1712_capture_pointer(struct snd_pcm_substream *s
if (!(snd_ice1712_read(ice, ICE1712_IREG_CAP_CTRL) & 1))
return 0;
ptr = inl(ICEREG(ice, CONCAP_ADDR)) - ice->capture_con_virt_addr;
+ ptr = bytes_to_frames(substream->runtime, ptr);
if (ptr == substream->runtime->buffer_size)
ptr = 0;
- return bytes_to_frames(substream->runtime, ptr);
+ return ptr;
}

static const struct snd_pcm_hardware snd_ice1712_playback = {
@@ -1113,9 +1116,10 @@ static snd_pcm_uframes_t snd_ice1712_playback_pro_pointer(struct snd_pcm_substre
if (!(inl(ICEMT(ice, PLAYBACK_CONTROL)) & ICE1712_PLAYBACK_START))
return 0;
ptr = ice->playback_pro_size - (inw(ICEMT(ice, PLAYBACK_SIZE)) << 2);
+ ptr = bytes_to_frames(substream->runtime, ptr);
if (ptr == substream->runtime->buffer_size)
ptr = 0;
- return bytes_to_frames(substream->runtime, ptr);
+ return ptr;
}

static snd_pcm_uframes_t snd_ice1712_capture_pro_pointer(struct snd_pcm_substream *substream)
@@ -1126,9 +1130,10 @@ static snd_pcm_uframes_t snd_ice1712_capture_pro_pointer(struct snd_pcm_substrea
if (!(inl(ICEMT(ice, PLAYBACK_CONTROL)) & ICE1712_CAPTURE_START_SHADOW))
return 0;
ptr = ice->capture_pro_size - (inw(ICEMT(ice, CAPTURE_SIZE)) << 2);
+ ptr = bytes_to_frames(substream->runtime, ptr);
if (ptr == substream->runtime->buffer_size)
ptr = 0;
- return bytes_to_frames(substream->runtime, ptr);
+ return ptr;
}

static const struct snd_pcm_hardware snd_ice1712_playback_pro = {
diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
index 1e0fa3b..e1dfebb 100644
--- a/sound/soc/codecs/cs42l51.c
+++ b/sound/soc/codecs/cs42l51.c
@@ -124,9 +124,8 @@ static int cs42l51_set_chan_mix(struct snd_kcontrol *kcontrol,

static const DECLARE_TLV_DB_SCALE(adc_pcm_tlv, -5150, 50, 0);
static const DECLARE_TLV_DB_SCALE(tone_tlv, -1050, 150, 0);
-/* This is a lie. after -102 db, it stays at -102 */
-/* maybe a range would be better */
-static const DECLARE_TLV_DB_SCALE(aout_tlv, -11550, 50, 0);
+
+static const DECLARE_TLV_DB_SCALE(aout_tlv, -10200, 50, 0);

static const DECLARE_TLV_DB_SCALE(boost_tlv, 1600, 1600, 0);
static const char *chan_mix[] = {
@@ -141,7 +140,7 @@ static const struct soc_enum cs42l51_chan_mix =
static const struct snd_kcontrol_new cs42l51_snd_controls[] = {
SOC_DOUBLE_R_SX_TLV("PCM Playback Volume",
CS42L51_PCMA_VOL, CS42L51_PCMB_VOL,
- 6, 0x19, 0x7F, adc_pcm_tlv),
+ 0, 0x19, 0x7F, adc_pcm_tlv),
SOC_DOUBLE_R("PCM Playback Switch",
CS42L51_PCMA_VOL, CS42L51_PCMB_VOL, 7, 1, 1),
SOC_DOUBLE_R_SX_TLV("Analog Playback Volume",
@@ -149,7 +148,7 @@ static const struct snd_kcontrol_new cs42l51_snd_controls[] = {
0, 0x34, 0xE4, aout_tlv),
SOC_DOUBLE_R_SX_TLV("ADC Mixer Volume",
CS42L51_ADCA_VOL, CS42L51_ADCB_VOL,
- 6, 0x19, 0x7F, adc_pcm_tlv),
+ 0, 0x19, 0x7F, adc_pcm_tlv),
SOC_DOUBLE_R("ADC Mixer Switch",
CS42L51_ADCA_VOL, CS42L51_ADCB_VOL, 7, 1, 1),
SOC_SINGLE("Playback Deemphasis Switch", CS42L51_DAC_CTL, 3, 1, 0),
diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c
index 8b427c9..2de73f8 100644
--- a/sound/soc/codecs/cs42l52.c
+++ b/sound/soc/codecs/cs42l52.c
@@ -353,7 +353,7 @@ static const char * const right_swap_text[] = {
static const unsigned int swap_values[] = { 0, 1, 3 };

static const struct soc_enum adca_swap_enum =
- SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 2, 1,
+ SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 2, 3,
ARRAY_SIZE(left_swap_text),
left_swap_text,
swap_values);
@@ -362,7 +362,7 @@ static const struct snd_kcontrol_new adca_mixer =
SOC_DAPM_ENUM("Route", adca_swap_enum);

static const struct soc_enum pcma_swap_enum =
- SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 6, 1,
+ SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 6, 3,
ARRAY_SIZE(left_swap_text),
left_swap_text,
swap_values);
@@ -371,7 +371,7 @@ static const struct snd_kcontrol_new pcma_mixer =
SOC_DAPM_ENUM("Route", pcma_swap_enum);

static const struct soc_enum adcb_swap_enum =
- SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 0, 1,
+ SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 0, 3,
ARRAY_SIZE(right_swap_text),
right_swap_text,
swap_values);
@@ -380,7 +380,7 @@ static const struct snd_kcontrol_new adcb_mixer =
SOC_DAPM_ENUM("Route", adcb_swap_enum);

static const struct soc_enum pcmb_swap_enum =
- SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 4, 1,
+ SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 4, 3,
ARRAY_SIZE(right_swap_text),
right_swap_text,
swap_values);
diff --git a/sound/soc/codecs/cs42l73.c b/sound/soc/codecs/cs42l73.c
index 549d5d6..7b95f7c 100644
--- a/sound/soc/codecs/cs42l73.c
+++ b/sound/soc/codecs/cs42l73.c
@@ -319,7 +319,7 @@ static const char * const cs42l73_mono_mix_texts[] = {
static const unsigned int cs42l73_mono_mix_values[] = { 0, 1, 2 };

static const struct soc_enum spk_asp_enum =
- SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 6, 1,
+ SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 6, 3,
ARRAY_SIZE(cs42l73_mono_mix_texts),
cs42l73_mono_mix_texts,
cs42l73_mono_mix_values);
@@ -337,7 +337,7 @@ static const struct snd_kcontrol_new spk_xsp_mixer =
SOC_DAPM_ENUM("Route", spk_xsp_enum);

static const struct soc_enum esl_asp_enum =
- SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 2, 5,
+ SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 2, 3,
ARRAY_SIZE(cs42l73_mono_mix_texts),
cs42l73_mono_mix_texts,
cs42l73_mono_mix_values);
@@ -346,7 +346,7 @@ static const struct snd_kcontrol_new esl_asp_mixer =
SOC_DAPM_ENUM("Route", esl_asp_enum);

static const struct soc_enum esl_xsp_enum =
- SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 0, 7,
+ SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 0, 3,
ARRAY_SIZE(cs42l73_mono_mix_texts),
cs42l73_mono_mix_texts,
cs42l73_mono_mix_values);
--
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