Re: Linux 2.6.32.8
From: Greg KH
Date: Tue Feb 09 2010 - 08:02:29 EST
diff --git a/Documentation/kvm/api.txt b/Documentation/kvm/api.txt
index 5a4bc8c..db3a706 100644
--- a/Documentation/kvm/api.txt
+++ b/Documentation/kvm/api.txt
@@ -593,6 +593,42 @@ struct kvm_irqchip {
} chip;
};
+4.27 KVM_GET_CLOCK
+
+Capability: KVM_CAP_ADJUST_CLOCK
+Architectures: x86
+Type: vm ioctl
+Parameters: struct kvm_clock_data (out)
+Returns: 0 on success, -1 on error
+
+Gets the current timestamp of kvmclock as seen by the current guest. In
+conjunction with KVM_SET_CLOCK, it is used to ensure monotonicity on scenarios
+such as migration.
+
+struct kvm_clock_data {
+ __u64 clock; /* kvmclock current value */
+ __u32 flags;
+ __u32 pad[9];
+};
+
+4.28 KVM_SET_CLOCK
+
+Capability: KVM_CAP_ADJUST_CLOCK
+Architectures: x86
+Type: vm ioctl
+Parameters: struct kvm_clock_data (in)
+Returns: 0 on success, -1 on error
+
+Sets the current timestamp of kvmclock to the valued specific in its parameter.
+In conjunction with KVM_GET_CLOCK, it is used to ensure monotonicity on scenarios
+such as migration.
+
+struct kvm_clock_data {
+ __u64 clock; /* kvmclock current value */
+ __u32 flags;
+ __u32 pad[9];
+};
+
5. The kvm_run structure
Application code obtains a pointer to the kvm_run structure by
diff --git a/Makefile b/Makefile
index 07d3c6a..f282cab 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 32
-EXTRAVERSION = .7
+EXTRAVERSION = .8
NAME = Man-Eating Seals of Antiquity
# *DOCUMENTATION*
diff --git a/arch/blackfin/include/asm/page.h b/arch/blackfin/include/asm/page.h
index 944a07c..1d04e40 100644
--- a/arch/blackfin/include/asm/page.h
+++ b/arch/blackfin/include/asm/page.h
@@ -10,4 +10,9 @@
#include <asm-generic/page.h>
#define MAP_NR(addr) (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)
+#define VM_DATA_DEFAULT_FLAGS \
+ (VM_READ | VM_WRITE | \
+ ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
+ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+
#endif
diff --git a/arch/frv/include/asm/page.h b/arch/frv/include/asm/page.h
index 25c6a50..8c97068 100644
--- a/arch/frv/include/asm/page.h
+++ b/arch/frv/include/asm/page.h
@@ -63,12 +63,10 @@ extern unsigned long max_pfn;
#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
-#ifdef CONFIG_MMU
#define VM_DATA_DEFAULT_FLAGS \
(VM_READ | VM_WRITE | \
((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-#endif
#endif /* __ASSEMBLY__ */
diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h
index 014a624..5698502 100644
--- a/arch/powerpc/include/asm/elf.h
+++ b/arch/powerpc/include/asm/elf.h
@@ -236,14 +236,10 @@ typedef elf_vrregset_t elf_fpxregset_t;
#ifdef __powerpc64__
# define SET_PERSONALITY(ex) \
do { \
- unsigned long new_flags = 0; \
if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
- new_flags = _TIF_32BIT; \
- if ((current_thread_info()->flags & _TIF_32BIT) \
- != new_flags) \
- set_thread_flag(TIF_ABI_PENDING); \
+ set_thread_flag(TIF_32BIT); \
else \
- clear_thread_flag(TIF_ABI_PENDING); \
+ clear_thread_flag(TIF_32BIT); \
if (personality(current->personality) != PER_LINUX32) \
set_personality(PER_LINUX | \
(current->personality & (~PER_MASK))); \
diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
index c8b3292..aa9d383 100644
--- a/arch/powerpc/include/asm/thread_info.h
+++ b/arch/powerpc/include/asm/thread_info.h
@@ -111,7 +111,6 @@ static inline struct thread_info *current_thread_info(void)
#define TIF_NOTIFY_RESUME 13 /* callback before returning to user */
#define TIF_FREEZE 14 /* Freezing for suspend */
#define TIF_RUNLATCH 15 /* Is the runlatch enabled? */
-#define TIF_ABI_PENDING 16 /* 32/64 bit switch needed */
/* as above, but as bit values */
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
@@ -129,7 +128,6 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
#define _TIF_FREEZE (1<<TIF_FREEZE)
#define _TIF_RUNLATCH (1<<TIF_RUNLATCH)
-#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING)
#define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP)
#define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index c930ac3..7b816da 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -554,18 +554,6 @@ void exit_thread(void)
void flush_thread(void)
{
-#ifdef CONFIG_PPC64
- struct thread_info *t = current_thread_info();
-
- if (test_ti_thread_flag(t, TIF_ABI_PENDING)) {
- clear_ti_thread_flag(t, TIF_ABI_PENDING);
- if (test_ti_thread_flag(t, TIF_32BIT))
- clear_ti_thread_flag(t, TIF_32BIT);
- else
- set_ti_thread_flag(t, TIF_32BIT);
- }
-#endif
-
discard_lazy_cpu_state();
if (current->thread.dabr) {
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 48215d1..e8ef21c 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -571,6 +571,7 @@ pgm_svcper:
mvc __THREAD_per+__PER_access_id(1,%r8),__LC_PER_ACCESS_ID
oi __TI_flags+3(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP
TRACE_IRQS_ON
+ lm %r2,%r6,SP_R2(%r15) # load svc arguments
stosm __SF_EMPTY(%r15),0x03 # reenable interrupts
b BASED(sysc_do_svc)
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 9aff1d4..f33658f 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -549,6 +549,7 @@ pgm_svcper:
mvc __THREAD_per+__PER_access_id(1,%r8),__LC_PER_ACCESS_ID
oi __TI_flags+7(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP
TRACE_IRQS_ON
+ lmg %r2,%r6,SP_R2(%r15) # load svc arguments
stosm __SF_EMPTY(%r15),0x03 # reenable interrupts
j sysc_do_svc
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index 1192398..44aa119 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -367,7 +367,7 @@ void exit_thread(void)
void flush_thread(void)
{
- /* Called by fs/exec.c (flush_old_exec) to remove traces of a
+ /* Called by fs/exec.c (setup_new_exec) to remove traces of a
* previously running executable. */
#ifdef CONFIG_SH_FPU
if (last_task_used_math == current) {
diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h
index d42e393..9968085 100644
--- a/arch/sparc/include/asm/elf_64.h
+++ b/arch/sparc/include/asm/elf_64.h
@@ -196,17 +196,10 @@ static inline unsigned int sparc64_elf_hwcap(void)
#define ELF_PLATFORM (NULL)
#define SET_PERSONALITY(ex) \
-do { unsigned long new_flags = current_thread_info()->flags; \
- new_flags &= _TIF_32BIT; \
- if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
- new_flags |= _TIF_32BIT; \
+do { if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
+ set_thread_flag(TIF_32BIT); \
else \
- new_flags &= ~_TIF_32BIT; \
- if ((current_thread_info()->flags & _TIF_32BIT) \
- != new_flags) \
- set_thread_flag(TIF_ABI_PENDING); \
- else \
- clear_thread_flag(TIF_ABI_PENDING); \
+ clear_thread_flag(TIF_32BIT); \
/* flush_thread will update pgd cache */ \
if (personality(current->personality) != PER_LINUX32) \
set_personality(PER_LINUX | \
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index 1b45a7b..f78ad9a 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -227,12 +227,11 @@ register struct thread_info *current_thread_info_reg asm("g6");
/* flag bit 8 is available */
#define TIF_SECCOMP 9 /* secure computing */
#define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */
-/* flag bit 11 is available */
/* NOTE: Thread flags >= 12 should be ones we have no interest
* in using in assembly, else we can't use the mask as
* an immediate value in instructions such as andcc.
*/
-#define TIF_ABI_PENDING 12
+/* flag bit 12 is available */
#define TIF_MEMDIE 13
#define TIF_POLLING_NRFLAG 14
#define TIF_FREEZE 15 /* is freezing for suspend */
@@ -246,7 +245,6 @@ register struct thread_info *current_thread_info_reg asm("g6");
#define _TIF_32BIT (1<<TIF_32BIT)
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
-#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
#define _TIF_FREEZE (1<<TIF_FREEZE)
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index 18d6785..c3f1cce 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -365,14 +365,6 @@ void flush_thread(void)
struct thread_info *t = current_thread_info();
struct mm_struct *mm;
- if (test_ti_thread_flag(t, TIF_ABI_PENDING)) {
- clear_ti_thread_flag(t, TIF_ABI_PENDING);
- if (test_ti_thread_flag(t, TIF_32BIT))
- clear_ti_thread_flag(t, TIF_32BIT);
- else
- set_ti_thread_flag(t, TIF_32BIT);
- }
-
mm = t->task->mm;
if (mm)
tsb_context_switch(mm);
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 72ace95..4fdb669 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -984,12 +984,6 @@ config X86_CPUID
with major 203 and minors 0 to 31 for /dev/cpu/0/cpuid to
/dev/cpu/31/cpuid.
-config X86_CPU_DEBUG
- tristate "/sys/kernel/debug/x86/cpu/* - CPU Debug support"
- ---help---
- If you select this option, this will provide various x86 CPUs
- information through debugfs.
-
choice
prompt "High Memory Support"
default HIGHMEM4G if !X86_NUMAQ
diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c
index 2a4d073..f9f4724 100644
--- a/arch/x86/ia32/ia32_aout.c
+++ b/arch/x86/ia32/ia32_aout.c
@@ -308,14 +308,15 @@ static int load_aout_binary(struct linux_binprm *bprm, struct pt_regs *regs)
if (retval)
return retval;
- regs->cs = __USER32_CS;
- regs->r8 = regs->r9 = regs->r10 = regs->r11 = regs->r12 =
- regs->r13 = regs->r14 = regs->r15 = 0;
-
/* OK, This is the point of no return */
set_personality(PER_LINUX);
set_thread_flag(TIF_IA32);
- clear_thread_flag(TIF_ABI_PENDING);
+
+ setup_new_exec(bprm);
+
+ regs->cs = __USER32_CS;
+ regs->r8 = regs->r9 = regs->r10 = regs->r11 = regs->r12 =
+ regs->r13 = regs->r14 = regs->r15 = 0;
current->mm->end_code = ex.a_text +
(current->mm->start_code = N_TXTADDR(ex));
diff --git a/arch/x86/include/asm/cpu_debug.h b/arch/x86/include/asm/cpu_debug.h
deleted file mode 100644
index d96c1ee..0000000
--- a/arch/x86/include/asm/cpu_debug.h
+++ /dev/null
@@ -1,127 +0,0 @@
-#ifndef _ASM_X86_CPU_DEBUG_H
-#define _ASM_X86_CPU_DEBUG_H
-
-/*
- * CPU x86 architecture debug
- *
- * Copyright(C) 2009 Jaswinder Singh Rajput
- */
-
-/* Register flags */
-enum cpu_debug_bit {
-/* Model Specific Registers (MSRs) */
- CPU_MC_BIT, /* Machine Check */
- CPU_MONITOR_BIT, /* Monitor */
- CPU_TIME_BIT, /* Time */
- CPU_PMC_BIT, /* Performance Monitor */
- CPU_PLATFORM_BIT, /* Platform */
- CPU_APIC_BIT, /* APIC */
- CPU_POWERON_BIT, /* Power-on */
- CPU_CONTROL_BIT, /* Control */
- CPU_FEATURES_BIT, /* Features control */
- CPU_LBRANCH_BIT, /* Last Branch */
- CPU_BIOS_BIT, /* BIOS */
- CPU_FREQ_BIT, /* Frequency */
- CPU_MTTR_BIT, /* MTRR */
- CPU_PERF_BIT, /* Performance */
- CPU_CACHE_BIT, /* Cache */
- CPU_SYSENTER_BIT, /* Sysenter */
- CPU_THERM_BIT, /* Thermal */
- CPU_MISC_BIT, /* Miscellaneous */
- CPU_DEBUG_BIT, /* Debug */
- CPU_PAT_BIT, /* PAT */
- CPU_VMX_BIT, /* VMX */
- CPU_CALL_BIT, /* System Call */
- CPU_BASE_BIT, /* BASE Address */
- CPU_VER_BIT, /* Version ID */
- CPU_CONF_BIT, /* Configuration */
- CPU_SMM_BIT, /* System mgmt mode */
- CPU_SVM_BIT, /*Secure Virtual Machine*/
- CPU_OSVM_BIT, /* OS-Visible Workaround*/
-/* Standard Registers */
- CPU_TSS_BIT, /* Task Stack Segment */
- CPU_CR_BIT, /* Control Registers */
- CPU_DT_BIT, /* Descriptor Table */
-/* End of Registers flags */
- CPU_REG_ALL_BIT, /* Select all Registers */
-};
-
-#define CPU_REG_ALL (~0) /* Select all Registers */
-
-#define CPU_MC (1 << CPU_MC_BIT)
-#define CPU_MONITOR (1 << CPU_MONITOR_BIT)
-#define CPU_TIME (1 << CPU_TIME_BIT)
-#define CPU_PMC (1 << CPU_PMC_BIT)
-#define CPU_PLATFORM (1 << CPU_PLATFORM_BIT)
-#define CPU_APIC (1 << CPU_APIC_BIT)
-#define CPU_POWERON (1 << CPU_POWERON_BIT)
-#define CPU_CONTROL (1 << CPU_CONTROL_BIT)
-#define CPU_FEATURES (1 << CPU_FEATURES_BIT)
-#define CPU_LBRANCH (1 << CPU_LBRANCH_BIT)
-#define CPU_BIOS (1 << CPU_BIOS_BIT)
-#define CPU_FREQ (1 << CPU_FREQ_BIT)
-#define CPU_MTRR (1 << CPU_MTTR_BIT)
-#define CPU_PERF (1 << CPU_PERF_BIT)
-#define CPU_CACHE (1 << CPU_CACHE_BIT)
-#define CPU_SYSENTER (1 << CPU_SYSENTER_BIT)
-#define CPU_THERM (1 << CPU_THERM_BIT)
-#define CPU_MISC (1 << CPU_MISC_BIT)
-#define CPU_DEBUG (1 << CPU_DEBUG_BIT)
-#define CPU_PAT (1 << CPU_PAT_BIT)
-#define CPU_VMX (1 << CPU_VMX_BIT)
-#define CPU_CALL (1 << CPU_CALL_BIT)
-#define CPU_BASE (1 << CPU_BASE_BIT)
-#define CPU_VER (1 << CPU_VER_BIT)
-#define CPU_CONF (1 << CPU_CONF_BIT)
-#define CPU_SMM (1 << CPU_SMM_BIT)
-#define CPU_SVM (1 << CPU_SVM_BIT)
-#define CPU_OSVM (1 << CPU_OSVM_BIT)
-#define CPU_TSS (1 << CPU_TSS_BIT)
-#define CPU_CR (1 << CPU_CR_BIT)
-#define CPU_DT (1 << CPU_DT_BIT)
-
-/* Register file flags */
-enum cpu_file_bit {
- CPU_INDEX_BIT, /* index */
- CPU_VALUE_BIT, /* value */
-};
-
-#define CPU_FILE_VALUE (1 << CPU_VALUE_BIT)
-
-#define MAX_CPU_FILES 512
-
-struct cpu_private {
- unsigned cpu;
- unsigned type;
- unsigned reg;
- unsigned file;
-};
-
-struct cpu_debug_base {
- char *name; /* Register name */
- unsigned flag; /* Register flag */
- unsigned write; /* Register write flag */
-};
-
-/*
- * Currently it looks similar to cpu_debug_base but once we add more files
- * cpu_file_base will go in different direction
- */
-struct cpu_file_base {
- char *name; /* Register file name */
- unsigned flag; /* Register file flag */
- unsigned write; /* Register write flag */
-};
-
-struct cpu_cpuX_base {
- struct dentry *dentry; /* Register dentry */
- int init; /* Register index file */
-};
-
-struct cpu_debug_range {
- unsigned min; /* Register range min */
- unsigned max; /* Register range max */
- unsigned flag; /* Supported flags */
-};
-
-#endif /* _ASM_X86_CPU_DEBUG_H */
diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
index 456a304..8ac9d9a 100644
--- a/arch/x86/include/asm/elf.h
+++ b/arch/x86/include/asm/elf.h
@@ -197,14 +197,8 @@ do { \
set_fs(USER_DS); \
} while (0)
-#define COMPAT_SET_PERSONALITY(ex) \
-do { \
- if (test_thread_flag(TIF_IA32)) \
- clear_thread_flag(TIF_ABI_PENDING); \
- else \
- set_thread_flag(TIF_ABI_PENDING); \
- current->personality |= force_personality32; \
-} while (0)
+void set_personality_ia32(void);
+#define COMPAT_SET_PERSONALITY(ex) set_personality_ia32()
#define COMPAT_ELF_PLATFORM ("i686")
diff --git a/arch/x86/include/asm/hpet.h b/arch/x86/include/asm/hpet.h
index 1c22cb0..3251e23 100644
--- a/arch/x86/include/asm/hpet.h
+++ b/arch/x86/include/asm/hpet.h
@@ -66,6 +66,7 @@
extern unsigned long hpet_address;
extern unsigned long force_hpet_address;
extern int hpet_force_user;
+extern u8 hpet_msi_disable;
extern int is_hpet_enabled(void);
extern int hpet_enable(void);
extern void hpet_disable(void);
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index d838922..d759a1f 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -412,6 +412,7 @@ struct kvm_arch{
unsigned long irq_sources_bitmap;
unsigned long irq_states[KVM_IOAPIC_NUM_PINS];
u64 vm_init_tsc;
+ s64 kvmclock_offset;
};
struct kvm_vm_stat {
diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index d27d0a2..19c3ce4 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -86,7 +86,6 @@ struct thread_info {
#define TIF_NOTSC 16 /* TSC is not accessible in userland */
#define TIF_IA32 17 /* 32bit process */
#define TIF_FORK 18 /* ret_from_fork */
-#define TIF_ABI_PENDING 19
#define TIF_MEMDIE 20
#define TIF_DEBUG 21 /* uses debug registers */
#define TIF_IO_BITMAP 22 /* uses I/O bitmap */
@@ -110,7 +109,6 @@ struct thread_info {
#define _TIF_NOTSC (1 << TIF_NOTSC)
#define _TIF_IA32 (1 << TIF_IA32)
#define _TIF_FORK (1 << TIF_FORK)
-#define _TIF_ABI_PENDING (1 << TIF_ABI_PENDING)
#define _TIF_DEBUG (1 << TIF_DEBUG)
#define _TIF_IO_BITMAP (1 << TIF_IO_BITMAP)
#define _TIF_FREEZE (1 << TIF_FREEZE)
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 90b9b55..e3f85fe 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -540,7 +540,7 @@ static void flush_all_devices_for_iommu(struct amd_iommu *iommu)
static void flush_devices_by_domain(struct protection_domain *domain)
{
struct amd_iommu *iommu;
- int i;
+ unsigned long i;
for (i = 0; i <= amd_iommu_last_bdf; ++i) {
if ((domain == NULL && amd_iommu_pd_table[i] == NULL) ||
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index 68537e9..ff502cc 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -18,8 +18,6 @@ obj-y += vmware.o hypervisor.o sched.o
obj-$(CONFIG_X86_32) += bugs.o cmpxchg.o
obj-$(CONFIG_X86_64) += bugs_64.o
-obj-$(CONFIG_X86_CPU_DEBUG) += cpu_debug.o
-
obj-$(CONFIG_CPU_SUP_INTEL) += intel.o
obj-$(CONFIG_CPU_SUP_AMD) += amd.o
obj-$(CONFIG_CPU_SUP_CYRIX_32) += cyrix.o
diff --git a/arch/x86/kernel/cpu/cpu_debug.c b/arch/x86/kernel/cpu/cpu_debug.c
deleted file mode 100644
index dca325c..0000000
--- a/arch/x86/kernel/cpu/cpu_debug.c
+++ /dev/null
@@ -1,688 +0,0 @@
-/*
- * CPU x86 architecture debug code
- *
- * Copyright(C) 2009 Jaswinder Singh Rajput
- *
- * For licencing details see kernel-base/COPYING
- */
-
-#include <linux/interrupt.h>
-#include <linux/compiler.h>
-#include <linux/seq_file.h>
-#include <linux/debugfs.h>
-#include <linux/kprobes.h>
-#include <linux/uaccess.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/percpu.h>
-#include <linux/signal.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/smp.h>
-
-#include <asm/cpu_debug.h>
-#include <asm/paravirt.h>
-#include <asm/system.h>
-#include <asm/traps.h>
-#include <asm/apic.h>
-#include <asm/desc.h>
-
-static DEFINE_PER_CPU(struct cpu_cpuX_base [CPU_REG_ALL_BIT], cpu_arr);
-static DEFINE_PER_CPU(struct cpu_private * [MAX_CPU_FILES], priv_arr);
-static DEFINE_PER_CPU(int, cpu_priv_count);
-
-static DEFINE_MUTEX(cpu_debug_lock);
-
-static struct dentry *cpu_debugfs_dir;
-
-static struct cpu_debug_base cpu_base[] = {
- { "mc", CPU_MC, 0 },
- { "monitor", CPU_MONITOR, 0 },
- { "time", CPU_TIME, 0 },
- { "pmc", CPU_PMC, 1 },
- { "platform", CPU_PLATFORM, 0 },
- { "apic", CPU_APIC, 0 },
- { "poweron", CPU_POWERON, 0 },
- { "control", CPU_CONTROL, 0 },
- { "features", CPU_FEATURES, 0 },
- { "lastbranch", CPU_LBRANCH, 0 },
- { "bios", CPU_BIOS, 0 },
- { "freq", CPU_FREQ, 0 },
- { "mtrr", CPU_MTRR, 0 },
- { "perf", CPU_PERF, 0 },
- { "cache", CPU_CACHE, 0 },
- { "sysenter", CPU_SYSENTER, 0 },
- { "therm", CPU_THERM, 0 },
- { "misc", CPU_MISC, 0 },
- { "debug", CPU_DEBUG, 0 },
- { "pat", CPU_PAT, 0 },
- { "vmx", CPU_VMX, 0 },
- { "call", CPU_CALL, 0 },
- { "base", CPU_BASE, 0 },
- { "ver", CPU_VER, 0 },
- { "conf", CPU_CONF, 0 },
- { "smm", CPU_SMM, 0 },
- { "svm", CPU_SVM, 0 },
- { "osvm", CPU_OSVM, 0 },
- { "tss", CPU_TSS, 0 },
- { "cr", CPU_CR, 0 },
- { "dt", CPU_DT, 0 },
- { "registers", CPU_REG_ALL, 0 },
-};
-
-static struct cpu_file_base cpu_file[] = {
- { "index", CPU_REG_ALL, 0 },
- { "value", CPU_REG_ALL, 1 },
-};
-
-/* CPU Registers Range */
-static struct cpu_debug_range cpu_reg_range[] = {
- { 0x00000000, 0x00000001, CPU_MC, },
- { 0x00000006, 0x00000007, CPU_MONITOR, },
- { 0x00000010, 0x00000010, CPU_TIME, },
- { 0x00000011, 0x00000013, CPU_PMC, },
- { 0x00000017, 0x00000017, CPU_PLATFORM, },
- { 0x0000001B, 0x0000001B, CPU_APIC, },
- { 0x0000002A, 0x0000002B, CPU_POWERON, },
- { 0x0000002C, 0x0000002C, CPU_FREQ, },
- { 0x0000003A, 0x0000003A, CPU_CONTROL, },
- { 0x00000040, 0x00000047, CPU_LBRANCH, },
- { 0x00000060, 0x00000067, CPU_LBRANCH, },
- { 0x00000079, 0x00000079, CPU_BIOS, },
- { 0x00000088, 0x0000008A, CPU_CACHE, },
- { 0x0000008B, 0x0000008B, CPU_BIOS, },
- { 0x0000009B, 0x0000009B, CPU_MONITOR, },
- { 0x000000C1, 0x000000C4, CPU_PMC, },
- { 0x000000CD, 0x000000CD, CPU_FREQ, },
- { 0x000000E7, 0x000000E8, CPU_PERF, },
- { 0x000000FE, 0x000000FE, CPU_MTRR, },
-
- { 0x00000116, 0x0000011E, CPU_CACHE, },
- { 0x00000174, 0x00000176, CPU_SYSENTER, },
- { 0x00000179, 0x0000017B, CPU_MC, },
- { 0x00000186, 0x00000189, CPU_PMC, },
- { 0x00000198, 0x00000199, CPU_PERF, },
- { 0x0000019A, 0x0000019A, CPU_TIME, },
- { 0x0000019B, 0x0000019D, CPU_THERM, },
- { 0x000001A0, 0x000001A0, CPU_MISC, },
- { 0x000001C9, 0x000001C9, CPU_LBRANCH, },
- { 0x000001D7, 0x000001D8, CPU_LBRANCH, },
- { 0x000001D9, 0x000001D9, CPU_DEBUG, },
- { 0x000001DA, 0x000001E0, CPU_LBRANCH, },
-
- { 0x00000200, 0x0000020F, CPU_MTRR, },
- { 0x00000250, 0x00000250, CPU_MTRR, },
- { 0x00000258, 0x00000259, CPU_MTRR, },
- { 0x00000268, 0x0000026F, CPU_MTRR, },
- { 0x00000277, 0x00000277, CPU_PAT, },
- { 0x000002FF, 0x000002FF, CPU_MTRR, },
-
- { 0x00000300, 0x00000311, CPU_PMC, },
- { 0x00000345, 0x00000345, CPU_PMC, },
- { 0x00000360, 0x00000371, CPU_PMC, },
- { 0x0000038D, 0x00000390, CPU_PMC, },
- { 0x000003A0, 0x000003BE, CPU_PMC, },
- { 0x000003C0, 0x000003CD, CPU_PMC, },
- { 0x000003E0, 0x000003E1, CPU_PMC, },
- { 0x000003F0, 0x000003F2, CPU_PMC, },
-
- { 0x00000400, 0x00000417, CPU_MC, },
- { 0x00000480, 0x0000048B, CPU_VMX, },
-
- { 0x00000600, 0x00000600, CPU_DEBUG, },
- { 0x00000680, 0x0000068F, CPU_LBRANCH, },
- { 0x000006C0, 0x000006CF, CPU_LBRANCH, },
-
- { 0x000107CC, 0x000107D3, CPU_PMC, },
-
- { 0xC0000080, 0xC0000080, CPU_FEATURES, },
- { 0xC0000081, 0xC0000084, CPU_CALL, },
- { 0xC0000100, 0xC0000102, CPU_BASE, },
- { 0xC0000103, 0xC0000103, CPU_TIME, },
-
- { 0xC0010000, 0xC0010007, CPU_PMC, },
- { 0xC0010010, 0xC0010010, CPU_CONF, },
- { 0xC0010015, 0xC0010015, CPU_CONF, },
- { 0xC0010016, 0xC001001A, CPU_MTRR, },
- { 0xC001001D, 0xC001001D, CPU_MTRR, },
- { 0xC001001F, 0xC001001F, CPU_CONF, },
- { 0xC0010030, 0xC0010035, CPU_BIOS, },
- { 0xC0010044, 0xC0010048, CPU_MC, },
- { 0xC0010050, 0xC0010056, CPU_SMM, },
- { 0xC0010058, 0xC0010058, CPU_CONF, },
- { 0xC0010060, 0xC0010060, CPU_CACHE, },
- { 0xC0010061, 0xC0010068, CPU_SMM, },
- { 0xC0010069, 0xC001006B, CPU_SMM, },
- { 0xC0010070, 0xC0010071, CPU_SMM, },
- { 0xC0010111, 0xC0010113, CPU_SMM, },
- { 0xC0010114, 0xC0010118, CPU_SVM, },
- { 0xC0010140, 0xC0010141, CPU_OSVM, },
- { 0xC0011022, 0xC0011023, CPU_CONF, },
-};
-
-static int is_typeflag_valid(unsigned cpu, unsigned flag)
-{
- int i;
-
- /* Standard Registers should be always valid */
- if (flag >= CPU_TSS)
- return 1;
-
- for (i = 0; i < ARRAY_SIZE(cpu_reg_range); i++) {
- if (cpu_reg_range[i].flag == flag)
- return 1;
- }
-
- /* Invalid */
- return 0;
-}
-
-static unsigned get_cpu_range(unsigned cpu, unsigned *min, unsigned *max,
- int index, unsigned flag)
-{
- if (cpu_reg_range[index].flag == flag) {
- *min = cpu_reg_range[index].min;
- *max = cpu_reg_range[index].max;
- } else
- *max = 0;
-
- return *max;
-}
-
-/* This function can also be called with seq = NULL for printk */
-static void print_cpu_data(struct seq_file *seq, unsigned type,
- u32 low, u32 high)
-{
- struct cpu_private *priv;
- u64 val = high;
-
- if (seq) {
- priv = seq->private;
- if (priv->file) {
- val = (val << 32) | low;
- seq_printf(seq, "0x%llx\n", val);
- } else
- seq_printf(seq, " %08x: %08x_%08x\n",
- type, high, low);
- } else
- printk(KERN_INFO " %08x: %08x_%08x\n", type, high, low);
-}
-
-/* This function can also be called with seq = NULL for printk */
-static void print_msr(struct seq_file *seq, unsigned cpu, unsigned flag)
-{
- unsigned msr, msr_min, msr_max;
- struct cpu_private *priv;
- u32 low, high;
- int i;
-
- if (seq) {
- priv = seq->private;
- if (priv->file) {
- if (!rdmsr_safe_on_cpu(priv->cpu, priv->reg,
- &low, &high))
- print_cpu_data(seq, priv->reg, low, high);
- return;
- }
- }
-
- for (i = 0; i < ARRAY_SIZE(cpu_reg_range); i++) {
- if (!get_cpu_range(cpu, &msr_min, &msr_max, i, flag))
- continue;
-
- for (msr = msr_min; msr <= msr_max; msr++) {
- if (rdmsr_safe_on_cpu(cpu, msr, &low, &high))
- continue;
- print_cpu_data(seq, msr, low, high);
- }
- }
-}
-
-static void print_tss(void *arg)
-{
- struct pt_regs *regs = task_pt_regs(current);
- struct seq_file *seq = arg;
- unsigned int seg;
-
- seq_printf(seq, " RAX\t: %016lx\n", regs->ax);
- seq_printf(seq, " RBX\t: %016lx\n", regs->bx);
- seq_printf(seq, " RCX\t: %016lx\n", regs->cx);
- seq_printf(seq, " RDX\t: %016lx\n", regs->dx);
-
- seq_printf(seq, " RSI\t: %016lx\n", regs->si);
- seq_printf(seq, " RDI\t: %016lx\n", regs->di);
- seq_printf(seq, " RBP\t: %016lx\n", regs->bp);
- seq_printf(seq, " ESP\t: %016lx\n", regs->sp);
-
-#ifdef CONFIG_X86_64
- seq_printf(seq, " R08\t: %016lx\n", regs->r8);
- seq_printf(seq, " R09\t: %016lx\n", regs->r9);
- seq_printf(seq, " R10\t: %016lx\n", regs->r10);
- seq_printf(seq, " R11\t: %016lx\n", regs->r11);
- seq_printf(seq, " R12\t: %016lx\n", regs->r12);
- seq_printf(seq, " R13\t: %016lx\n", regs->r13);
- seq_printf(seq, " R14\t: %016lx\n", regs->r14);
- seq_printf(seq, " R15\t: %016lx\n", regs->r15);
-#endif
-
- asm("movl %%cs,%0" : "=r" (seg));
- seq_printf(seq, " CS\t: %04x\n", seg);
- asm("movl %%ds,%0" : "=r" (seg));
- seq_printf(seq, " DS\t: %04x\n", seg);
- seq_printf(seq, " SS\t: %04lx\n", regs->ss & 0xffff);
- asm("movl %%es,%0" : "=r" (seg));
- seq_printf(seq, " ES\t: %04x\n", seg);
- asm("movl %%fs,%0" : "=r" (seg));
- seq_printf(seq, " FS\t: %04x\n", seg);
- asm("movl %%gs,%0" : "=r" (seg));
- seq_printf(seq, " GS\t: %04x\n", seg);
-
- seq_printf(seq, " EFLAGS\t: %016lx\n", regs->flags);
-
- seq_printf(seq, " EIP\t: %016lx\n", regs->ip);
-}
-
-static void print_cr(void *arg)
-{
- struct seq_file *seq = arg;
-
- seq_printf(seq, " cr0\t: %016lx\n", read_cr0());
- seq_printf(seq, " cr2\t: %016lx\n", read_cr2());
- seq_printf(seq, " cr3\t: %016lx\n", read_cr3());
- seq_printf(seq, " cr4\t: %016lx\n", read_cr4_safe());
-#ifdef CONFIG_X86_64
- seq_printf(seq, " cr8\t: %016lx\n", read_cr8());
-#endif
-}
-
-static void print_desc_ptr(char *str, struct seq_file *seq, struct desc_ptr dt)
-{
- seq_printf(seq, " %s\t: %016llx\n", str, (u64)(dt.address | dt.size));
-}
-
-static void print_dt(void *seq)
-{
- struct desc_ptr dt;
- unsigned long ldt;
-
- /* IDT */
- store_idt((struct desc_ptr *)&dt);
- print_desc_ptr("IDT", seq, dt);
-
- /* GDT */
- store_gdt((struct desc_ptr *)&dt);
- print_desc_ptr("GDT", seq, dt);
-
- /* LDT */
- store_ldt(ldt);
- seq_printf(seq, " LDT\t: %016lx\n", ldt);
-
- /* TR */
- store_tr(ldt);
- seq_printf(seq, " TR\t: %016lx\n", ldt);
-}
-
-static void print_dr(void *arg)
-{
- struct seq_file *seq = arg;
- unsigned long dr;
- int i;
-
- for (i = 0; i < 8; i++) {
- /* Ignore db4, db5 */
- if ((i == 4) || (i == 5))
- continue;
- get_debugreg(dr, i);
- seq_printf(seq, " dr%d\t: %016lx\n", i, dr);
- }
-
- seq_printf(seq, "\n MSR\t:\n");
-}
-
-static void print_apic(void *arg)
-{
- struct seq_file *seq = arg;
-
-#ifdef CONFIG_X86_LOCAL_APIC
- seq_printf(seq, " LAPIC\t:\n");
- seq_printf(seq, " ID\t\t: %08x\n", apic_read(APIC_ID) >> 24);
- seq_printf(seq, " LVR\t\t: %08x\n", apic_read(APIC_LVR));
- seq_printf(seq, " TASKPRI\t: %08x\n", apic_read(APIC_TASKPRI));
- seq_printf(seq, " ARBPRI\t\t: %08x\n", apic_read(APIC_ARBPRI));
- seq_printf(seq, " PROCPRI\t: %08x\n", apic_read(APIC_PROCPRI));
- seq_printf(seq, " LDR\t\t: %08x\n", apic_read(APIC_LDR));
- seq_printf(seq, " DFR\t\t: %08x\n", apic_read(APIC_DFR));
- seq_printf(seq, " SPIV\t\t: %08x\n", apic_read(APIC_SPIV));
- seq_printf(seq, " ISR\t\t: %08x\n", apic_read(APIC_ISR));
- seq_printf(seq, " ESR\t\t: %08x\n", apic_read(APIC_ESR));
- seq_printf(seq, " ICR\t\t: %08x\n", apic_read(APIC_ICR));
- seq_printf(seq, " ICR2\t\t: %08x\n", apic_read(APIC_ICR2));
- seq_printf(seq, " LVTT\t\t: %08x\n", apic_read(APIC_LVTT));
- seq_printf(seq, " LVTTHMR\t: %08x\n", apic_read(APIC_LVTTHMR));
- seq_printf(seq, " LVTPC\t\t: %08x\n", apic_read(APIC_LVTPC));
- seq_printf(seq, " LVT0\t\t: %08x\n", apic_read(APIC_LVT0));
- seq_printf(seq, " LVT1\t\t: %08x\n", apic_read(APIC_LVT1));
- seq_printf(seq, " LVTERR\t\t: %08x\n", apic_read(APIC_LVTERR));
- seq_printf(seq, " TMICT\t\t: %08x\n", apic_read(APIC_TMICT));
- seq_printf(seq, " TMCCT\t\t: %08x\n", apic_read(APIC_TMCCT));
- seq_printf(seq, " TDCR\t\t: %08x\n", apic_read(APIC_TDCR));
- if (boot_cpu_has(X86_FEATURE_EXTAPIC)) {
- unsigned int i, v, maxeilvt;
-
- v = apic_read(APIC_EFEAT);
- maxeilvt = (v >> 16) & 0xff;
- seq_printf(seq, " EFEAT\t\t: %08x\n", v);
- seq_printf(seq, " ECTRL\t\t: %08x\n", apic_read(APIC_ECTRL));
-
- for (i = 0; i < maxeilvt; i++) {
- v = apic_read(APIC_EILVTn(i));
- seq_printf(seq, " EILVT%d\t\t: %08x\n", i, v);
- }
- }
-#endif /* CONFIG_X86_LOCAL_APIC */
- seq_printf(seq, "\n MSR\t:\n");
-}
-
-static int cpu_seq_show(struct seq_file *seq, void *v)
-{
- struct cpu_private *priv = seq->private;
-
- if (priv == NULL)
- return -EINVAL;
-
- switch (cpu_base[priv->type].flag) {
- case CPU_TSS:
- smp_call_function_single(priv->cpu, print_tss, seq, 1);
- break;
- case CPU_CR:
- smp_call_function_single(priv->cpu, print_cr, seq, 1);
- break;
- case CPU_DT:
- smp_call_function_single(priv->cpu, print_dt, seq, 1);
- break;
- case CPU_DEBUG:
- if (priv->file == CPU_INDEX_BIT)
- smp_call_function_single(priv->cpu, print_dr, seq, 1);
- print_msr(seq, priv->cpu, cpu_base[priv->type].flag);
- break;
- case CPU_APIC:
- if (priv->file == CPU_INDEX_BIT)
- smp_call_function_single(priv->cpu, print_apic, seq, 1);
- print_msr(seq, priv->cpu, cpu_base[priv->type].flag);
- break;
-
- default:
- print_msr(seq, priv->cpu, cpu_base[priv->type].flag);
- break;
- }
- seq_printf(seq, "\n");
-
- return 0;
-}
-
-static void *cpu_seq_start(struct seq_file *seq, loff_t *pos)
-{
- if (*pos == 0) /* One time is enough ;-) */
- return seq;
-
- return NULL;
-}
-
-static void *cpu_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
- (*pos)++;
-
- return cpu_seq_start(seq, pos);
-}
-
-static void cpu_seq_stop(struct seq_file *seq, void *v)
-{
-}
-
-static const struct seq_operations cpu_seq_ops = {
- .start = cpu_seq_start,
- .next = cpu_seq_next,
- .stop = cpu_seq_stop,
- .show = cpu_seq_show,
-};
-
-static int cpu_seq_open(struct inode *inode, struct file *file)
-{
- struct cpu_private *priv = inode->i_private;
- struct seq_file *seq;
- int err;
-
- err = seq_open(file, &cpu_seq_ops);
- if (!err) {
- seq = file->private_data;
- seq->private = priv;
- }
-
- return err;
-}
-
-static int write_msr(struct cpu_private *priv, u64 val)
-{
- u32 low, high;
-
- high = (val >> 32) & 0xffffffff;
- low = val & 0xffffffff;
-
- if (!wrmsr_safe_on_cpu(priv->cpu, priv->reg, low, high))
- return 0;
-
- return -EPERM;
-}
-
-static int write_cpu_register(struct cpu_private *priv, const char *buf)
-{
- int ret = -EPERM;
- u64 val;
-
- ret = strict_strtoull(buf, 0, &val);
- if (ret < 0)
- return ret;
-
- /* Supporting only MSRs */
- if (priv->type < CPU_TSS_BIT)
- return write_msr(priv, val);
-
- return ret;
-}
-
-static ssize_t cpu_write(struct file *file, const char __user *ubuf,
- size_t count, loff_t *off)
-{
- struct seq_file *seq = file->private_data;
- struct cpu_private *priv = seq->private;
- char buf[19];
-
- if ((priv == NULL) || (count >= sizeof(buf)))
- return -EINVAL;
-
- if (copy_from_user(&buf, ubuf, count))
- return -EFAULT;
-
- buf[count] = 0;
-
- if ((cpu_base[priv->type].write) && (cpu_file[priv->file].write))
- if (!write_cpu_register(priv, buf))
- return count;
-
- return -EACCES;
-}
-
-static const struct file_operations cpu_fops = {
- .owner = THIS_MODULE,
- .open = cpu_seq_open,
- .read = seq_read,
- .write = cpu_write,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
-static int cpu_create_file(unsigned cpu, unsigned type, unsigned reg,
- unsigned file, struct dentry *dentry)
-{
- struct cpu_private *priv = NULL;
-
- /* Already intialized */
- if (file == CPU_INDEX_BIT)
- if (per_cpu(cpu_arr[type].init, cpu))
- return 0;
-
- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
- if (priv == NULL)
- return -ENOMEM;
-
- priv->cpu = cpu;
- priv->type = type;
- priv->reg = reg;
- priv->file = file;
- mutex_lock(&cpu_debug_lock);
- per_cpu(priv_arr[type], cpu) = priv;
- per_cpu(cpu_priv_count, cpu)++;
- mutex_unlock(&cpu_debug_lock);
-
- if (file)
- debugfs_create_file(cpu_file[file].name, S_IRUGO,
- dentry, (void *)priv, &cpu_fops);
- else {
- debugfs_create_file(cpu_base[type].name, S_IRUGO,
- per_cpu(cpu_arr[type].dentry, cpu),
- (void *)priv, &cpu_fops);
- mutex_lock(&cpu_debug_lock);
- per_cpu(cpu_arr[type].init, cpu) = 1;
- mutex_unlock(&cpu_debug_lock);
- }
-
- return 0;
-}
-
-static int cpu_init_regfiles(unsigned cpu, unsigned int type, unsigned reg,
- struct dentry *dentry)
-{
- unsigned file;
- int err = 0;
-
- for (file = 0; file < ARRAY_SIZE(cpu_file); file++) {
- err = cpu_create_file(cpu, type, reg, file, dentry);
- if (err)
- return err;
- }
-
- return err;
-}
-
-static int cpu_init_msr(unsigned cpu, unsigned type, struct dentry *dentry)
-{
- struct dentry *cpu_dentry = NULL;
- unsigned reg, reg_min, reg_max;
- int i, err = 0;
- char reg_dir[12];
- u32 low, high;
-
- for (i = 0; i < ARRAY_SIZE(cpu_reg_range); i++) {
- if (!get_cpu_range(cpu, ®_min, ®_max, i,
- cpu_base[type].flag))
- continue;
-
- for (reg = reg_min; reg <= reg_max; reg++) {
- if (rdmsr_safe_on_cpu(cpu, reg, &low, &high))
- continue;
-
- sprintf(reg_dir, "0x%x", reg);
- cpu_dentry = debugfs_create_dir(reg_dir, dentry);
- err = cpu_init_regfiles(cpu, type, reg, cpu_dentry);
- if (err)
- return err;
- }
- }
-
- return err;
-}
-
-static int cpu_init_allreg(unsigned cpu, struct dentry *dentry)
-{
- struct dentry *cpu_dentry = NULL;
- unsigned type;
- int err = 0;
-
- for (type = 0; type < ARRAY_SIZE(cpu_base) - 1; type++) {
- if (!is_typeflag_valid(cpu, cpu_base[type].flag))
- continue;
- cpu_dentry = debugfs_create_dir(cpu_base[type].name, dentry);
- per_cpu(cpu_arr[type].dentry, cpu) = cpu_dentry;
-
- if (type < CPU_TSS_BIT)
- err = cpu_init_msr(cpu, type, cpu_dentry);
- else
- err = cpu_create_file(cpu, type, 0, CPU_INDEX_BIT,
- cpu_dentry);
- if (err)
- return err;
- }
-
- return err;
-}
-
-static int cpu_init_cpu(void)
-{
- struct dentry *cpu_dentry = NULL;
- struct cpuinfo_x86 *cpui;
- char cpu_dir[12];
- unsigned cpu;
- int err = 0;
-
- for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
- cpui = &cpu_data(cpu);
- if (!cpu_has(cpui, X86_FEATURE_MSR))
- continue;
-
- sprintf(cpu_dir, "cpu%d", cpu);
- cpu_dentry = debugfs_create_dir(cpu_dir, cpu_debugfs_dir);
- err = cpu_init_allreg(cpu, cpu_dentry);
-
- pr_info("cpu%d(%d) debug files %d\n",
- cpu, nr_cpu_ids, per_cpu(cpu_priv_count, cpu));
- if (per_cpu(cpu_priv_count, cpu) > MAX_CPU_FILES) {
- pr_err("Register files count %d exceeds limit %d\n",
- per_cpu(cpu_priv_count, cpu), MAX_CPU_FILES);
- per_cpu(cpu_priv_count, cpu) = MAX_CPU_FILES;
- err = -ENFILE;
- }
- if (err)
- return err;
- }
-
- return err;
-}
-
-static int __init cpu_debug_init(void)
-{
- cpu_debugfs_dir = debugfs_create_dir("cpu", arch_debugfs_dir);
-
- return cpu_init_cpu();
-}
-
-static void __exit cpu_debug_exit(void)
-{
- int i, cpu;
-
- if (cpu_debugfs_dir)
- debugfs_remove_recursive(cpu_debugfs_dir);
-
- for (cpu = 0; cpu < nr_cpu_ids; cpu++)
- for (i = 0; i < per_cpu(cpu_priv_count, cpu); i++)
- kfree(per_cpu(priv_arr[i], cpu));
-}
-
-module_init(cpu_debug_init);
-module_exit(cpu_debug_exit);
-
-MODULE_AUTHOR("Jaswinder Singh Rajput");
-MODULE_DESCRIPTION("CPU Debug module");
-MODULE_LICENSE("GPL");
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index dedc2bd..5877873 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -33,6 +33,8 @@
* HPET address is set in acpi/boot.c, when an ACPI entry exists
*/
unsigned long hpet_address;
+u8 hpet_msi_disable;
+
#ifdef CONFIG_PCI_MSI
static unsigned long hpet_num_timers;
#endif
@@ -584,6 +586,9 @@ static void hpet_msi_capability_lookup(unsigned int start_timer)
unsigned int num_timers_used = 0;
int i;
+ if (hpet_msi_disable)
+ return;
+
id = hpet_readl(HPET_ID);
num_timers = ((id & HPET_ID_NUMBER) >> HPET_ID_NUMBER_SHIFT);
@@ -911,6 +916,9 @@ static __init int hpet_late_init(void)
hpet_reserve_platform_timers(hpet_readl(HPET_ID));
hpet_print_config();
+ if (hpet_msi_disable)
+ return 0;
+
for_each_online_cpu(cpu) {
hpet_cpuhp_notify(NULL, CPU_ONLINE, (void *)(long)cpu);
}
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 5284cd2..f010ab4 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -91,18 +91,6 @@ void flush_thread(void)
{
struct task_struct *tsk = current;
-#ifdef CONFIG_X86_64
- if (test_tsk_thread_flag(tsk, TIF_ABI_PENDING)) {
- clear_tsk_thread_flag(tsk, TIF_ABI_PENDING);
- if (test_tsk_thread_flag(tsk, TIF_IA32)) {
- clear_tsk_thread_flag(tsk, TIF_IA32);
- } else {
- set_tsk_thread_flag(tsk, TIF_IA32);
- current_thread_info()->status |= TS_COMPAT;
- }
- }
-#endif
-
clear_tsk_thread_flag(tsk, TIF_DEBUG);
tsk->thread.debugreg0 = 0;
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index eb62cbc..f9ce04f 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -540,6 +540,17 @@ sys_clone(unsigned long clone_flags, unsigned long newsp,
return do_fork(clone_flags, newsp, regs, 0, parent_tid, child_tid);
}
+void set_personality_ia32(void)
+{
+ /* inherit personality from parent */
+
+ /* Make sure to be in 32bit mode */
+ set_thread_flag(TIF_IA32);
+
+ /* Prepare the first "return" to user space */
+ current_thread_info()->status |= TS_COMPAT;
+}
+
unsigned long get_wchan(struct task_struct *p)
{
unsigned long stack;
diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index 6c3b2c6..0040164 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -491,6 +491,19 @@ void force_hpet_resume(void)
break;
}
}
+
+/*
+ * HPET MSI on some boards (ATI SB700/SB800) has side effect on
+ * floppy DMA. Disable HPET MSI on such platforms.
+ */
+static void force_disable_hpet_msi(struct pci_dev *unused)
+{
+ hpet_msi_disable = 1;
+}
+
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS,
+ force_disable_hpet_msi);
+
#endif
#if defined(CONFIG_PCI) && defined(CONFIG_NUMA)
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 6caf260..bff34d6 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -203,6 +203,15 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
DMI_MATCH(DMI_BOARD_NAME, "0T656F"),
},
},
+ { /* Handle problems with rebooting on Dell OptiPlex 760 with 0G919G*/
+ .callback = set_bios_reboot,
+ .ident = "Dell OptiPlex 760",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 760"),
+ DMI_MATCH(DMI_BOARD_NAME, "0G919G"),
+ },
+ },
{ /* Handle problems with rebooting on Dell 2400's */
.callback = set_bios_reboot,
.ident = "Dell PowerEdge 2400",
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 51aa5b2..8425f7e 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -667,19 +667,27 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = {
DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix/MSC"),
},
},
- {
/*
- * AMI BIOS with low memory corruption was found on Intel DG45ID board.
- * It hase different DMI_BIOS_VENDOR = "Intel Corp.", for now we will
+ * AMI BIOS with low memory corruption was found on Intel DG45ID and
+ * DG45FC boards.
+ * It has a different DMI_BIOS_VENDOR = "Intel Corp.", for now we will
* match only DMI_BOARD_NAME and see if there is more bad products
* with this vendor.
*/
+ {
.callback = dmi_low_memory_corruption,
.ident = "AMI BIOS",
.matches = {
DMI_MATCH(DMI_BOARD_NAME, "DG45ID"),
},
},
+ {
+ .callback = dmi_low_memory_corruption,
+ .ident = "AMI BIOS",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "DG45FC"),
+ },
+ },
#endif
{}
};
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 6378e07..145741c 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -680,7 +680,8 @@ static void kvm_write_guest_time(struct kvm_vcpu *v)
/* With all the info we got, fill in the values */
vcpu->hv_clock.system_time = ts.tv_nsec +
- (NSEC_PER_SEC * (u64)ts.tv_sec);
+ (NSEC_PER_SEC * (u64)ts.tv_sec) + v->kvm->arch.kvmclock_offset;
+
/*
* The interface expects us to write an even number signaling that the
* update is finished. Since the guest won't see the intermediate
@@ -1227,6 +1228,7 @@ int kvm_dev_ioctl_check_extension(long ext)
case KVM_CAP_PIT2:
case KVM_CAP_PIT_STATE2:
case KVM_CAP_SET_IDENTITY_MAP_ADDR:
+ case KVM_CAP_ADJUST_CLOCK:
r = 1;
break;
case KVM_CAP_COALESCED_MMIO:
@@ -2424,6 +2426,44 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = 0;
break;
}
+ case KVM_SET_CLOCK: {
+ struct timespec now;
+ struct kvm_clock_data user_ns;
+ u64 now_ns;
+ s64 delta;
+
+ r = -EFAULT;
+ if (copy_from_user(&user_ns, argp, sizeof(user_ns)))
+ goto out;
+
+ r = -EINVAL;
+ if (user_ns.flags)
+ goto out;
+
+ r = 0;
+ ktime_get_ts(&now);
+ now_ns = timespec_to_ns(&now);
+ delta = user_ns.clock - now_ns;
+ kvm->arch.kvmclock_offset = delta;
+ break;
+ }
+ case KVM_GET_CLOCK: {
+ struct timespec now;
+ struct kvm_clock_data user_ns;
+ u64 now_ns;
+
+ ktime_get_ts(&now);
+ now_ns = timespec_to_ns(&now);
+ user_ns.clock = kvm->arch.kvmclock_offset + now_ns;
+ user_ns.flags = 0;
+
+ r = -EFAULT;
+ if (copy_to_user(argp, &user_ns, sizeof(user_ns)))
+ goto out;
+ r = 0;
+ break;
+ }
+
default:
;
}
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index dbb5381..3871c60 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -229,9 +229,11 @@ update_nodes_add(int node, unsigned long start, unsigned long end)
printk(KERN_ERR "SRAT: Hotplug zone not continuous. Partly ignored\n");
}
- if (changed)
+ if (changed) {
+ node_set(node, cpu_nodes_parsed);
printk(KERN_INFO "SRAT: hot plug zone found %Lx - %Lx\n",
nd->start, nd->end);
+ }
}
/* Callback for parsing of the Proximity Domain <-> Memory Area mappings */
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index cb88b1a..3347f69 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -222,7 +222,7 @@ static void nmi_cpu_switch(void *dummy)
/* move to next set */
si += model->num_counters;
- if ((si > model->num_virt_counters) || (counter_config[si].count == 0))
+ if ((si >= model->num_virt_counters) || (counter_config[si].count == 0))
per_cpu(switch_index, cpu) = 0;
else
per_cpu(switch_index, cpu) = si;
@@ -598,6 +598,7 @@ static int __init ppro_init(char **cpu_type)
case 15: case 23:
*cpu_type = "i386/core_2";
break;
+ case 0x2e:
case 26:
spec = &op_arch_perfmon_spec;
*cpu_type = "i386/core_i7";
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 7411915..49f6ede 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -344,6 +344,167 @@ bool acpi_bus_can_wakeup(acpi_handle handle)
EXPORT_SYMBOL(acpi_bus_can_wakeup);
+static void acpi_print_osc_error(acpi_handle handle,
+ struct acpi_osc_context *context, char *error)
+{
+ struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER};
+ int i;
+
+ if (ACPI_FAILURE(acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer)))
+ printk(KERN_DEBUG "%s\n", error);
+ else {
+ printk(KERN_DEBUG "%s:%s\n", (char *)buffer.pointer, error);
+ kfree(buffer.pointer);
+ }
+ printk(KERN_DEBUG"_OSC request data:");
+ for (i = 0; i < context->cap.length; i += sizeof(u32))
+ printk("%x ", *((u32 *)(context->cap.pointer + i)));
+ printk("\n");
+}
+
+static u8 hex_val(unsigned char c)
+{
+ return isdigit(c) ? c - '0' : toupper(c) - 'A' + 10;
+}
+
+static acpi_status acpi_str_to_uuid(char *str, u8 *uuid)
+{
+ int i;
+ static int opc_map_to_uuid[16] = {6, 4, 2, 0, 11, 9, 16, 14, 19, 21,
+ 24, 26, 28, 30, 32, 34};
+
+ if (strlen(str) != 36)
+ return AE_BAD_PARAMETER;
+ for (i = 0; i < 36; i++) {
+ if (i == 8 || i == 13 || i == 18 || i == 23) {
+ if (str[i] != '-')
+ return AE_BAD_PARAMETER;
+ } else if (!isxdigit(str[i]))
+ return AE_BAD_PARAMETER;
+ }
+ for (i = 0; i < 16; i++) {
+ uuid[i] = hex_val(str[opc_map_to_uuid[i]]) << 4;
+ uuid[i] |= hex_val(str[opc_map_to_uuid[i] + 1]);
+ }
+ return AE_OK;
+}
+
+acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context)
+{
+ acpi_status status;
+ struct acpi_object_list input;
+ union acpi_object in_params[4];
+ union acpi_object *out_obj;
+ u8 uuid[16];
+ u32 errors;
+ struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL};
+
+ if (!context)
+ return AE_ERROR;
+ if (ACPI_FAILURE(acpi_str_to_uuid(context->uuid_str, uuid)))
+ return AE_ERROR;
+ context->ret.length = ACPI_ALLOCATE_BUFFER;
+ context->ret.pointer = NULL;
+
+ /* Setting up input parameters */
+ input.count = 4;
+ input.pointer = in_params;
+ in_params[0].type = ACPI_TYPE_BUFFER;
+ in_params[0].buffer.length = 16;
+ in_params[0].buffer.pointer = uuid;
+ in_params[1].type = ACPI_TYPE_INTEGER;
+ in_params[1].integer.value = context->rev;
+ in_params[2].type = ACPI_TYPE_INTEGER;
+ in_params[2].integer.value = context->cap.length/sizeof(u32);
+ in_params[3].type = ACPI_TYPE_BUFFER;
+ in_params[3].buffer.length = context->cap.length;
+ in_params[3].buffer.pointer = context->cap.pointer;
+
+ status = acpi_evaluate_object(handle, "_OSC", &input, &output);
+ if (ACPI_FAILURE(status))
+ return status;
+
+ if (!output.length)
+ return AE_NULL_OBJECT;
+
+ out_obj = output.pointer;
+ if (out_obj->type != ACPI_TYPE_BUFFER
+ || out_obj->buffer.length != context->cap.length) {
+ acpi_print_osc_error(handle, context,
+ "_OSC evaluation returned wrong type");
+ status = AE_TYPE;
+ goto out_kfree;
+ }
+ /* Need to ignore the bit0 in result code */
+ errors = *((u32 *)out_obj->buffer.pointer) & ~(1 << 0);
+ if (errors) {
+ if (errors & OSC_REQUEST_ERROR)
+ acpi_print_osc_error(handle, context,
+ "_OSC request failed");
+ if (errors & OSC_INVALID_UUID_ERROR)
+ acpi_print_osc_error(handle, context,
+ "_OSC invalid UUID");
+ if (errors & OSC_INVALID_REVISION_ERROR)
+ acpi_print_osc_error(handle, context,
+ "_OSC invalid revision");
+ if (errors & OSC_CAPABILITIES_MASK_ERROR) {
+ if (((u32 *)context->cap.pointer)[OSC_QUERY_TYPE]
+ & OSC_QUERY_ENABLE)
+ goto out_success;
+ status = AE_SUPPORT;
+ goto out_kfree;
+ }
+ status = AE_ERROR;
+ goto out_kfree;
+ }
+out_success:
+ context->ret.length = out_obj->buffer.length;
+ context->ret.pointer = kmalloc(context->ret.length, GFP_KERNEL);
+ if (!context->ret.pointer) {
+ status = AE_NO_MEMORY;
+ goto out_kfree;
+ }
+ memcpy(context->ret.pointer, out_obj->buffer.pointer,
+ context->ret.length);
+ status = AE_OK;
+
+out_kfree:
+ kfree(output.pointer);
+ if (status != AE_OK)
+ context->ret.pointer = NULL;
+ return status;
+}
+EXPORT_SYMBOL(acpi_run_osc);
+
+static u8 sb_uuid_str[] = "0811B06E-4A27-44F9-8D60-3CBBC22E7B48";
+static void acpi_bus_osc_support(void)
+{
+ u32 capbuf[2];
+ struct acpi_osc_context context = {
+ .uuid_str = sb_uuid_str,
+ .rev = 1,
+ .cap.length = 8,
+ .cap.pointer = capbuf,
+ };
+ acpi_handle handle;
+
+ capbuf[OSC_QUERY_TYPE] = OSC_QUERY_ENABLE;
+ capbuf[OSC_SUPPORT_TYPE] = OSC_SB_PR3_SUPPORT; /* _PR3 is in use */
+#if defined(CONFIG_ACPI_PROCESSOR_AGGREGATOR) ||\
+ defined(CONFIG_ACPI_PROCESSOR_AGGREGATOR_MODULE)
+ capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_PAD_SUPPORT;
+#endif
+
+#if defined(CONFIG_ACPI_PROCESSOR) || defined(CONFIG_ACPI_PROCESSOR_MODULE)
+ capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_PPC_OST_SUPPORT;
+#endif
+ if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle)))
+ return;
+ if (ACPI_SUCCESS(acpi_run_osc(handle, &context)))
+ kfree(context.ret.pointer);
+ /* do we need to check the returned cap? Sounds no */
+}
+
/* --------------------------------------------------------------------------
Event Management
-------------------------------------------------------------------------- */
@@ -734,6 +895,8 @@ static int __init acpi_bus_init(void)
status = acpi_ec_ecdt_probe();
/* Ignore result. Not having an ECDT is not fatal. */
+ acpi_bus_osc_support();
+
status = acpi_initialize_objects(ACPI_FULL_INITIALIZATION);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR PREFIX "Unable to initialize ACPI objects\n");
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index dc72690..91fed3c 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3790,21 +3790,45 @@ int sata_link_debounce(struct ata_link *link, const unsigned long *params,
int sata_link_resume(struct ata_link *link, const unsigned long *params,
unsigned long deadline)
{
+ int tries = ATA_LINK_RESUME_TRIES;
u32 scontrol, serror;
int rc;
if ((rc = sata_scr_read(link, SCR_CONTROL, &scontrol)))
return rc;
- scontrol = (scontrol & 0x0f0) | 0x300;
+ /*
+ * Writes to SControl sometimes get ignored under certain
+ * controllers (ata_piix SIDPR). Make sure DET actually is
+ * cleared.
+ */
+ do {
+ scontrol = (scontrol & 0x0f0) | 0x300;
+ if ((rc = sata_scr_write(link, SCR_CONTROL, scontrol)))
+ return rc;
+ /*
+ * Some PHYs react badly if SStatus is pounded
+ * immediately after resuming. Delay 200ms before
+ * debouncing.
+ */
+ msleep(200);
- if ((rc = sata_scr_write(link, SCR_CONTROL, scontrol)))
- return rc;
+ /* is SControl restored correctly? */
+ if ((rc = sata_scr_read(link, SCR_CONTROL, &scontrol)))
+ return rc;
+ } while ((scontrol & 0xf0f) != 0x300 && --tries);
- /* Some PHYs react badly if SStatus is pounded immediately
- * after resuming. Delay 200ms before debouncing.
- */
- msleep(200);
+ if ((scontrol & 0xf0f) != 0x300) {
+ ata_link_printk(link, KERN_ERR,
+ "failed to resume link (SControl %X)\n",
+ scontrol);
+ return 0;
+ }
+
+ if (tries < ATA_LINK_RESUME_TRIES)
+ ata_link_printk(link, KERN_WARNING,
+ "link resume succeeded after %d retries\n",
+ ATA_LINK_RESUME_TRIES - tries);
if ((rc = sata_link_debounce(link, params, deadline)))
return rc;
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index bba2ae5..7d8d3c3 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2019,8 +2019,9 @@ static void ata_eh_link_autopsy(struct ata_link *link)
qc->err_mask &= ~(AC_ERR_DEV | AC_ERR_OTHER);
/* determine whether the command is worth retrying */
- if (!(qc->err_mask & AC_ERR_INVALID) &&
- ((qc->flags & ATA_QCFLAG_IO) || qc->err_mask != AC_ERR_DEV))
+ if (qc->flags & ATA_QCFLAG_IO ||
+ (!(qc->err_mask & AC_ERR_INVALID) &&
+ qc->err_mask != AC_ERR_DEV))
qc->flags |= ATA_QCFLAG_RETRY;
/* accumulate error info */
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 2ddf03a..68b5957 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -322,7 +322,7 @@ static void pkt_sysfs_dev_remove(struct pktcdvd_device *pd)
pkt_kobj_remove(pd->kobj_stat);
pkt_kobj_remove(pd->kobj_wqueue);
if (class_pktcdvd)
- device_destroy(class_pktcdvd, pd->pkt_dev);
+ device_unregister(pd->dev);
}
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 04b505e..908ac1f 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1051,12 +1051,6 @@ random_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
/* like a named pipe */
}
- /*
- * If we gave the user some bytes, update the access time.
- */
- if (count)
- file_accessed(file);
-
return (count ? count : retval);
}
@@ -1107,7 +1101,6 @@ static ssize_t random_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
size_t ret;
- struct inode *inode = file->f_path.dentry->d_inode;
ret = write_pool(&blocking_pool, buffer, count);
if (ret)
@@ -1116,8 +1109,6 @@ static ssize_t random_write(struct file *file, const char __user *buffer,
if (ret)
return ret;
- inode->i_mtime = current_fs_time(inode->i_sb);
- mark_inode_dirty(inode);
return (ssize_t)count;
}
diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index f060246..537c29a 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -36,17 +36,6 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR("Evgeniy Polyakov <zbr@xxxxxxxxxxx>");
MODULE_DESCRIPTION("Generic userspace <-> kernelspace connector.");
-static u32 cn_idx = CN_IDX_CONNECTOR;
-static u32 cn_val = CN_VAL_CONNECTOR;
-
-module_param(cn_idx, uint, 0);
-module_param(cn_val, uint, 0);
-MODULE_PARM_DESC(cn_idx, "Connector's main device idx.");
-MODULE_PARM_DESC(cn_val, "Connector's main device val.");
-
-static DEFINE_MUTEX(notify_lock);
-static LIST_HEAD(notify_list);
-
static struct cn_dev cdev;
static int cn_already_initialized;
@@ -210,54 +199,6 @@ static void cn_rx_skb(struct sk_buff *__skb)
}
/*
- * Notification routing.
- *
- * Gets id and checks if there are notification request for it's idx
- * and val. If there are such requests notify the listeners with the
- * given notify event.
- *
- */
-static void cn_notify(struct cb_id *id, u32 notify_event)
-{
- struct cn_ctl_entry *ent;
-
- mutex_lock(¬ify_lock);
- list_for_each_entry(ent, ¬ify_list, notify_entry) {
- int i;
- struct cn_notify_req *req;
- struct cn_ctl_msg *ctl = ent->msg;
- int idx_found, val_found;
-
- idx_found = val_found = 0;
-
- req = (struct cn_notify_req *)ctl->data;
- for (i = 0; i < ctl->idx_notify_num; ++i, ++req) {
- if (id->idx >= req->first &&
- id->idx < req->first + req->range) {
- idx_found = 1;
- break;
- }
- }
-
- for (i = 0; i < ctl->val_notify_num; ++i, ++req) {
- if (id->val >= req->first &&
- id->val < req->first + req->range) {
- val_found = 1;
- break;
- }
- }
-
- if (idx_found && val_found) {
- struct cn_msg m = { .ack = notify_event, };
-
- memcpy(&m.id, id, sizeof(m.id));
- cn_netlink_send(&m, ctl->group, GFP_KERNEL);
- }
- }
- mutex_unlock(¬ify_lock);
-}
-
-/*
* Callback add routing - adds callback with given ID and name.
* If there is registered callback with the same ID it will not be added.
*
@@ -276,8 +217,6 @@ int cn_add_callback(struct cb_id *id, char *name,
if (err)
return err;
- cn_notify(id, 0);
-
return 0;
}
EXPORT_SYMBOL_GPL(cn_add_callback);
@@ -295,111 +234,9 @@ void cn_del_callback(struct cb_id *id)
struct cn_dev *dev = &cdev;
cn_queue_del_callback(dev->cbdev, id);
- cn_notify(id, 1);
}
EXPORT_SYMBOL_GPL(cn_del_callback);
-/*
- * Checks two connector's control messages to be the same.
- * Returns 1 if they are the same or if the first one is corrupted.
- */
-static int cn_ctl_msg_equals(struct cn_ctl_msg *m1, struct cn_ctl_msg *m2)
-{
- int i;
- struct cn_notify_req *req1, *req2;
-
- if (m1->idx_notify_num != m2->idx_notify_num)
- return 0;
-
- if (m1->val_notify_num != m2->val_notify_num)
- return 0;
-
- if (m1->len != m2->len)
- return 0;
-
- if ((m1->idx_notify_num + m1->val_notify_num) * sizeof(*req1) !=
- m1->len)
- return 1;
-
- req1 = (struct cn_notify_req *)m1->data;
- req2 = (struct cn_notify_req *)m2->data;
-
- for (i = 0; i < m1->idx_notify_num; ++i) {
- if (req1->first != req2->first || req1->range != req2->range)
- return 0;
- req1++;
- req2++;
- }
-
- for (i = 0; i < m1->val_notify_num; ++i) {
- if (req1->first != req2->first || req1->range != req2->range)
- return 0;
- req1++;
- req2++;
- }
-
- return 1;
-}
-
-/*
- * Main connector device's callback.
- *
- * Used for notification of a request's processing.
- */
-static void cn_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp)
-{
- struct cn_ctl_msg *ctl;
- struct cn_ctl_entry *ent;
- u32 size;
-
- if (msg->len < sizeof(*ctl))
- return;
-
- ctl = (struct cn_ctl_msg *)msg->data;
-
- size = (sizeof(*ctl) + ((ctl->idx_notify_num +
- ctl->val_notify_num) *
- sizeof(struct cn_notify_req)));
-
- if (msg->len != size)
- return;
-
- if (ctl->len + sizeof(*ctl) != msg->len)
- return;
-
- /*
- * Remove notification.
- */
- if (ctl->group == 0) {
- struct cn_ctl_entry *n;
-
- mutex_lock(¬ify_lock);
- list_for_each_entry_safe(ent, n, ¬ify_list, notify_entry) {
- if (cn_ctl_msg_equals(ent->msg, ctl)) {
- list_del(&ent->notify_entry);
- kfree(ent);
- }
- }
- mutex_unlock(¬ify_lock);
-
- return;
- }
-
- size += sizeof(*ent);
-
- ent = kzalloc(size, GFP_KERNEL);
- if (!ent)
- return;
-
- ent->msg = (struct cn_ctl_msg *)(ent + 1);
-
- memcpy(ent->msg, ctl, size - sizeof(*ent));
-
- mutex_lock(¬ify_lock);
- list_add(&ent->notify_entry, ¬ify_list);
- mutex_unlock(¬ify_lock);
-}
-
static int cn_proc_show(struct seq_file *m, void *v)
{
struct cn_queue_dev *dev = cdev.cbdev;
@@ -437,11 +274,8 @@ static const struct file_operations cn_file_ops = {
static int __devinit cn_init(void)
{
struct cn_dev *dev = &cdev;
- int err;
dev->input = cn_rx_skb;
- dev->id.idx = cn_idx;
- dev->id.val = cn_val;
dev->nls = netlink_kernel_create(&init_net, NETLINK_CONNECTOR,
CN_NETLINK_USERS + 0xf,
@@ -457,14 +291,6 @@ static int __devinit cn_init(void)
cn_already_initialized = 1;
- err = cn_add_callback(&dev->id, "connector", &cn_callback);
- if (err) {
- cn_already_initialized = 0;
- cn_queue_free_dev(dev->cbdev);
- netlink_kernel_release(dev->nls);
- return -EINVAL;
- }
-
proc_net_fops_create(&init_net, "connector", S_IRUGO, &cn_file_ops);
return 0;
@@ -478,7 +304,6 @@ static void __devexit cn_fini(void)
proc_net_remove(&init_net, "connector");
- cn_del_callback(&dev->id);
cn_queue_free_dev(dev->cbdev);
netlink_kernel_release(dev->nls);
}
diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c
index e4864e8..ed635ae 100644
--- a/drivers/firewire/core-card.c
+++ b/drivers/firewire/core-card.c
@@ -57,6 +57,9 @@ static LIST_HEAD(card_list);
static LIST_HEAD(descriptor_list);
static int descriptor_count;
+/* ROM header, bus info block, root dir header, capabilities = 7 quadlets */
+static size_t config_rom_length = 1 + 4 + 1 + 1;
+
#define BIB_CRC(v) ((v) << 0)
#define BIB_CRC_LENGTH(v) ((v) << 16)
#define BIB_INFO_LENGTH(v) ((v) << 24)
@@ -72,7 +75,7 @@ static int descriptor_count;
#define BIB_CMC ((1) << 30)
#define BIB_IMC ((1) << 31)
-static u32 *generate_config_rom(struct fw_card *card, size_t *config_rom_length)
+static u32 *generate_config_rom(struct fw_card *card)
{
struct fw_descriptor *desc;
static u32 config_rom[256];
@@ -131,7 +134,7 @@ static u32 *generate_config_rom(struct fw_card *card, size_t *config_rom_length)
for (i = 0; i < j; i += length + 1)
length = fw_compute_block_crc(config_rom + i);
- *config_rom_length = j;
+ WARN_ON(j != config_rom_length);
return config_rom;
}
@@ -140,17 +143,24 @@ static void update_config_roms(void)
{
struct fw_card *card;
u32 *config_rom;
- size_t length;
list_for_each_entry (card, &card_list, link) {
- config_rom = generate_config_rom(card, &length);
- card->driver->set_config_rom(card, config_rom, length);
+ config_rom = generate_config_rom(card);
+ card->driver->set_config_rom(card, config_rom,
+ config_rom_length);
}
}
+static size_t required_space(struct fw_descriptor *desc)
+{
+ /* descriptor + entry into root dir + optional immediate entry */
+ return desc->length + 1 + (desc->immediate > 0 ? 1 : 0);
+}
+
int fw_core_add_descriptor(struct fw_descriptor *desc)
{
size_t i;
+ int ret;
/*
* Check descriptor is valid; the length of all blocks in the
@@ -166,15 +176,21 @@ int fw_core_add_descriptor(struct fw_descriptor *desc)
mutex_lock(&card_mutex);
- list_add_tail(&desc->link, &descriptor_list);
- descriptor_count++;
- if (desc->immediate > 0)
+ if (config_rom_length + required_space(desc) > 256) {
+ ret = -EBUSY;
+ } else {
+ list_add_tail(&desc->link, &descriptor_list);
+ config_rom_length += required_space(desc);
descriptor_count++;
- update_config_roms();
+ if (desc->immediate > 0)
+ descriptor_count++;
+ update_config_roms();
+ ret = 0;
+ }
mutex_unlock(&card_mutex);
- return 0;
+ return ret;
}
EXPORT_SYMBOL(fw_core_add_descriptor);
@@ -183,6 +199,7 @@ void fw_core_remove_descriptor(struct fw_descriptor *desc)
mutex_lock(&card_mutex);
list_del(&desc->link);
+ config_rom_length -= required_space(desc);
descriptor_count--;
if (desc->immediate > 0)
descriptor_count--;
@@ -436,7 +453,6 @@ int fw_card_add(struct fw_card *card,
u32 max_receive, u32 link_speed, u64 guid)
{
u32 *config_rom;
- size_t length;
int ret;
card->max_receive = max_receive;
@@ -445,8 +461,8 @@ int fw_card_add(struct fw_card *card,
mutex_lock(&card_mutex);
- config_rom = generate_config_rom(card, &length);
- ret = card->driver->enable(card, config_rom, length);
+ config_rom = generate_config_rom(card);
+ ret = card->driver->enable(card, config_rom, config_rom_length);
if (ret == 0)
list_add_tail(&card->link, &card_list);
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 1e504de..720b39b 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -2412,6 +2412,7 @@ static void ohci_pmac_off(struct pci_dev *dev)
#define PCI_VENDOR_ID_AGERE PCI_VENDOR_ID_ATT
#define PCI_DEVICE_ID_AGERE_FW643 0x5901
+#define PCI_DEVICE_ID_TI_TSB43AB23 0x8024
static int __devinit pci_probe(struct pci_dev *dev,
const struct pci_device_id *ent)
@@ -2477,7 +2478,8 @@ static int __devinit pci_probe(struct pci_dev *dev,
#if !defined(CONFIG_X86_32)
/* dual-buffer mode is broken with descriptor addresses above 2G */
if (dev->vendor == PCI_VENDOR_ID_TI &&
- dev->device == PCI_DEVICE_ID_TI_TSB43AB22)
+ (dev->device == PCI_DEVICE_ID_TI_TSB43AB22 ||
+ dev->device == PCI_DEVICE_ID_TI_TSB43AB23))
ohci->use_dualbuffer = false;
#endif
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index e9dbb48..8bf3770 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -142,19 +142,6 @@ drm_gem_object_alloc(struct drm_device *dev, size_t size)
if (IS_ERR(obj->filp))
goto free;
- /* Basically we want to disable the OOM killer and handle ENOMEM
- * ourselves by sacrificing pages from cached buffers.
- * XXX shmem_file_[gs]et_gfp_mask()
- */
- mapping_set_gfp_mask(obj->filp->f_path.dentry->d_inode->i_mapping,
- GFP_HIGHUSER |
- __GFP_COLD |
- __GFP_FS |
- __GFP_RECLAIMABLE |
- __GFP_NORETRY |
- __GFP_NOWARN |
- __GFP_NOMEMALLOC);
-
kref_init(&obj->refcount);
kref_init(&obj->handlecount);
obj->size = size;
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 26bf055..af655e8 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -288,7 +288,7 @@ static int i915_batchbuffer_info(struct seq_file *m, void *data)
list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
obj = obj_priv->obj;
if (obj->read_domains & I915_GEM_DOMAIN_COMMAND) {
- ret = i915_gem_object_get_pages(obj);
+ ret = i915_gem_object_get_pages(obj, 0);
if (ret) {
DRM_ERROR("Failed to get pages: %d\n", ret);
spin_unlock(&dev_priv->mm.active_list_lock);
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index bc2db7d..eaa1893 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1252,6 +1252,8 @@ static int i915_load_modeset_init(struct drm_device *dev,
if (ret)
goto destroy_ringbuffer;
+ intel_modeset_init(dev);
+
ret = drm_irq_install(dev);
if (ret)
goto destroy_ringbuffer;
@@ -1266,8 +1268,6 @@ static int i915_load_modeset_init(struct drm_device *dev,
I915_WRITE(INSTPM, (1 << 5) | (1 << 21));
- intel_modeset_init(dev);
-
drm_helper_initial_config(dev);
return 0;
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 791fded..7277246 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -822,7 +822,7 @@ int i915_gem_attach_phys_object(struct drm_device *dev,
void i915_gem_detach_phys_object(struct drm_device *dev,
struct drm_gem_object *obj);
void i915_gem_free_all_phys_object(struct drm_device *dev);
-int i915_gem_object_get_pages(struct drm_gem_object *obj);
+int i915_gem_object_get_pages(struct drm_gem_object *obj, gfp_t gfpmask);
void i915_gem_object_put_pages(struct drm_gem_object *obj);
void i915_gem_release(struct drm_device * dev, struct drm_file *file_priv);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index df2c625..8ad244a 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -277,7 +277,7 @@ i915_gem_shmem_pread_fast(struct drm_device *dev, struct drm_gem_object *obj,
mutex_lock(&dev->struct_mutex);
- ret = i915_gem_object_get_pages(obj);
+ ret = i915_gem_object_get_pages(obj, 0);
if (ret != 0)
goto fail_unlock;
@@ -321,40 +321,24 @@ fail_unlock:
return ret;
}
-static inline gfp_t
-i915_gem_object_get_page_gfp_mask (struct drm_gem_object *obj)
-{
- return mapping_gfp_mask(obj->filp->f_path.dentry->d_inode->i_mapping);
-}
-
-static inline void
-i915_gem_object_set_page_gfp_mask (struct drm_gem_object *obj, gfp_t gfp)
-{
- mapping_set_gfp_mask(obj->filp->f_path.dentry->d_inode->i_mapping, gfp);
-}
-
static int
i915_gem_object_get_pages_or_evict(struct drm_gem_object *obj)
{
int ret;
- ret = i915_gem_object_get_pages(obj);
+ ret = i915_gem_object_get_pages(obj, __GFP_NORETRY | __GFP_NOWARN);
/* If we've insufficient memory to map in the pages, attempt
* to make some space by throwing out some old buffers.
*/
if (ret == -ENOMEM) {
struct drm_device *dev = obj->dev;
- gfp_t gfp;
ret = i915_gem_evict_something(dev, obj->size);
if (ret)
return ret;
- gfp = i915_gem_object_get_page_gfp_mask(obj);
- i915_gem_object_set_page_gfp_mask(obj, gfp & ~__GFP_NORETRY);
- ret = i915_gem_object_get_pages(obj);
- i915_gem_object_set_page_gfp_mask (obj, gfp);
+ ret = i915_gem_object_get_pages(obj, 0);
}
return ret;
@@ -790,7 +774,7 @@ i915_gem_shmem_pwrite_fast(struct drm_device *dev, struct drm_gem_object *obj,
mutex_lock(&dev->struct_mutex);
- ret = i915_gem_object_get_pages(obj);
+ ret = i915_gem_object_get_pages(obj, 0);
if (ret != 0)
goto fail_unlock;
@@ -2219,7 +2203,8 @@ i915_gem_evict_something(struct drm_device *dev, int min_size)
}
int
-i915_gem_object_get_pages(struct drm_gem_object *obj)
+i915_gem_object_get_pages(struct drm_gem_object *obj,
+ gfp_t gfpmask)
{
struct drm_i915_gem_object *obj_priv = obj->driver_private;
int page_count, i;
@@ -2245,7 +2230,10 @@ i915_gem_object_get_pages(struct drm_gem_object *obj)
inode = obj->filp->f_path.dentry->d_inode;
mapping = inode->i_mapping;
for (i = 0; i < page_count; i++) {
- page = read_mapping_page(mapping, i, NULL);
+ page = read_cache_page_gfp(mapping, i,
+ mapping_gfp_mask (mapping) |
+ __GFP_COLD |
+ gfpmask);
if (IS_ERR(page)) {
ret = PTR_ERR(page);
i915_gem_object_put_pages(obj);
@@ -2568,7 +2556,7 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = obj->driver_private;
struct drm_mm_node *free_space;
- bool retry_alloc = false;
+ gfp_t gfpmask = __GFP_NORETRY | __GFP_NOWARN;
int ret;
if (obj_priv->madv != I915_MADV_WILLNEED) {
@@ -2612,15 +2600,7 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
DRM_INFO("Binding object of size %zd at 0x%08x\n",
obj->size, obj_priv->gtt_offset);
#endif
- if (retry_alloc) {
- i915_gem_object_set_page_gfp_mask (obj,
- i915_gem_object_get_page_gfp_mask (obj) & ~__GFP_NORETRY);
- }
- ret = i915_gem_object_get_pages(obj);
- if (retry_alloc) {
- i915_gem_object_set_page_gfp_mask (obj,
- i915_gem_object_get_page_gfp_mask (obj) | __GFP_NORETRY);
- }
+ ret = i915_gem_object_get_pages(obj, gfpmask);
if (ret) {
drm_mm_put_block(obj_priv->gtt_space);
obj_priv->gtt_space = NULL;
@@ -2630,9 +2610,9 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
ret = i915_gem_evict_something(dev, obj->size);
if (ret) {
/* now try to shrink everyone else */
- if (! retry_alloc) {
- retry_alloc = true;
- goto search_free;
+ if (gfpmask) {
+ gfpmask = 0;
+ goto search_free;
}
return ret;
@@ -4695,7 +4675,7 @@ void i915_gem_detach_phys_object(struct drm_device *dev,
if (!obj_priv->phys_obj)
return;
- ret = i915_gem_object_get_pages(obj);
+ ret = i915_gem_object_get_pages(obj, 0);
if (ret)
goto out;
@@ -4753,7 +4733,7 @@ i915_gem_attach_phys_object(struct drm_device *dev,
obj_priv->phys_obj = dev_priv->mm.phys_objs[id - 1];
obj_priv->phys_obj->cur_obj = obj;
- ret = i915_gem_object_get_pages(obj);
+ ret = i915_gem_object_get_pages(obj, 0);
if (ret) {
DRM_ERROR("failed to get page list\n");
goto out;
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 7d1357e..63f28ad 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -282,6 +282,8 @@ irqreturn_t igdng_irq_handler(struct drm_device *dev)
dev_priv->mm.irq_gem_seqno = seqno;
trace_i915_gem_request_complete(dev, seqno);
DRM_WAKEUP(&dev_priv->irq_queue);
+ dev_priv->hangcheck_count = 0;
+ mod_timer(&dev_priv->hangcheck_timer, jiffies + DRM_I915_HANGCHECK_PERIOD);
}
I915_WRITE(GTIIR, gt_iir);
@@ -1042,6 +1044,10 @@ void i915_driver_irq_preinstall(struct drm_device * dev)
(void) I915_READ(IER);
}
+/*
+ * Must be called after intel_modeset_init or hotplug interrupts won't be
+ * enabled correctly.
+ */
int i915_driver_irq_postinstall(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
@@ -1064,19 +1070,23 @@ int i915_driver_irq_postinstall(struct drm_device *dev)
if (I915_HAS_HOTPLUG(dev)) {
u32 hotplug_en = I915_READ(PORT_HOTPLUG_EN);
- /* Leave other bits alone */
- hotplug_en |= HOTPLUG_EN_MASK;
+ /* Note HDMI and DP share bits */
+ if (dev_priv->hotplug_supported_mask & HDMIB_HOTPLUG_INT_STATUS)
+ hotplug_en |= HDMIB_HOTPLUG_INT_EN;
+ if (dev_priv->hotplug_supported_mask & HDMIC_HOTPLUG_INT_STATUS)
+ hotplug_en |= HDMIC_HOTPLUG_INT_EN;
+ if (dev_priv->hotplug_supported_mask & HDMID_HOTPLUG_INT_STATUS)
+ hotplug_en |= HDMID_HOTPLUG_INT_EN;
+ if (dev_priv->hotplug_supported_mask & SDVOC_HOTPLUG_INT_STATUS)
+ hotplug_en |= SDVOC_HOTPLUG_INT_EN;
+ if (dev_priv->hotplug_supported_mask & SDVOB_HOTPLUG_INT_STATUS)
+ hotplug_en |= SDVOB_HOTPLUG_INT_EN;
+ if (dev_priv->hotplug_supported_mask & CRT_HOTPLUG_INT_STATUS)
+ hotplug_en |= CRT_HOTPLUG_INT_EN;
+ /* Ignore TV since it's buggy */
+
I915_WRITE(PORT_HOTPLUG_EN, hotplug_en);
- dev_priv->hotplug_supported_mask = CRT_HOTPLUG_INT_STATUS |
- TV_HOTPLUG_INT_STATUS | SDVOC_HOTPLUG_INT_STATUS |
- SDVOB_HOTPLUG_INT_STATUS;
- if (IS_G4X(dev)) {
- dev_priv->hotplug_supported_mask |=
- HDMIB_HOTPLUG_INT_STATUS |
- HDMIC_HOTPLUG_INT_STATUS |
- HDMID_HOTPLUG_INT_STATUS;
- }
/* Enable in IER... */
enable_mask |= I915_DISPLAY_PORT_INTERRUPT;
/* and unmask in IMR */
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 54e5907..fd537f4 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -863,14 +863,6 @@
#define CRT_HOTPLUG_DETECT_VOLTAGE_475MV (1 << 2)
#define CRT_HOTPLUG_MASK (0x3fc) /* Bits 9-2 */
#define CRT_FORCE_HOTPLUG_MASK 0xfffffe1f
-#define HOTPLUG_EN_MASK (HDMIB_HOTPLUG_INT_EN | \
- HDMIC_HOTPLUG_INT_EN | \
- HDMID_HOTPLUG_INT_EN | \
- SDVOB_HOTPLUG_INT_EN | \
- SDVOC_HOTPLUG_INT_EN | \
- TV_HOTPLUG_INT_EN | \
- CRT_HOTPLUG_INT_EN)
-
#define PORT_HOTPLUG_STAT 0x61114
#define HDMIB_HOTPLUG_INT_STATUS (1 << 29)
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index e505144..6d3730f 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -576,4 +576,6 @@ void intel_crt_init(struct drm_device *dev)
drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs);
drm_sysfs_connector_add(connector);
+
+ dev_priv->hotplug_supported_mask |= CRT_HOTPLUG_INT_STATUS;
}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 121b92e..601415d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4068,29 +4068,43 @@ static void intel_setup_outputs(struct drm_device *dev)
bool found = false;
if (I915_READ(SDVOB) & SDVO_DETECTED) {
+ DRM_DEBUG_KMS("probing SDVOB\n");
found = intel_sdvo_init(dev, SDVOB);
- if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
+ if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) {
+ DRM_DEBUG_KMS("probing HDMI on SDVOB\n");
intel_hdmi_init(dev, SDVOB);
+ }
- if (!found && SUPPORTS_INTEGRATED_DP(dev))
+ if (!found && SUPPORTS_INTEGRATED_DP(dev)) {
+ DRM_DEBUG_KMS("probing DP_B\n");
intel_dp_init(dev, DP_B);
+ }
}
/* Before G4X SDVOC doesn't have its own detect register */
- if (I915_READ(SDVOB) & SDVO_DETECTED)
+ if (I915_READ(SDVOB) & SDVO_DETECTED) {
+ DRM_DEBUG_KMS("probing SDVOC\n");
found = intel_sdvo_init(dev, SDVOC);
+ }
if (!found && (I915_READ(SDVOC) & SDVO_DETECTED)) {
- if (SUPPORTS_INTEGRATED_HDMI(dev))
+ if (SUPPORTS_INTEGRATED_HDMI(dev)) {
+ DRM_DEBUG_KMS("probing HDMI on SDVOC\n");
intel_hdmi_init(dev, SDVOC);
- if (SUPPORTS_INTEGRATED_DP(dev))
+ }
+ if (SUPPORTS_INTEGRATED_DP(dev)) {
+ DRM_DEBUG_KMS("probing DP_C\n");
intel_dp_init(dev, DP_C);
+ }
}
- if (SUPPORTS_INTEGRATED_DP(dev) && (I915_READ(DP_D) & DP_DETECTED))
+ if (SUPPORTS_INTEGRATED_DP(dev) &&
+ (I915_READ(DP_D) & DP_DETECTED)) {
+ DRM_DEBUG_KMS("probing DP_D\n");
intel_dp_init(dev, DP_D);
+ }
} else if (IS_I8XX(dev))
intel_dvo_init(dev);
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 92a3d7b..d487771 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1290,14 +1290,20 @@ intel_dp_init(struct drm_device *dev, int output_reg)
break;
case DP_B:
case PCH_DP_B:
+ dev_priv->hotplug_supported_mask |=
+ HDMIB_HOTPLUG_INT_STATUS;
name = "DPDDC-B";
break;
case DP_C:
case PCH_DP_C:
+ dev_priv->hotplug_supported_mask |=
+ HDMIC_HOTPLUG_INT_STATUS;
name = "DPDDC-C";
break;
case DP_D:
case PCH_DP_D:
+ dev_priv->hotplug_supported_mask |=
+ HDMID_HOTPLUG_INT_STATUS;
name = "DPDDC-D";
break;
}
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index c33451a..85760bf 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -254,21 +254,26 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
if (sdvox_reg == SDVOB) {
intel_output->clone_mask = (1 << INTEL_HDMIB_CLONE_BIT);
intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "HDMIB");
+ dev_priv->hotplug_supported_mask |= HDMIB_HOTPLUG_INT_STATUS;
} else if (sdvox_reg == SDVOC) {
intel_output->clone_mask = (1 << INTEL_HDMIC_CLONE_BIT);
intel_output->ddc_bus = intel_i2c_create(dev, GPIOD, "HDMIC");
+ dev_priv->hotplug_supported_mask |= HDMIC_HOTPLUG_INT_STATUS;
} else if (sdvox_reg == HDMIB) {
intel_output->clone_mask = (1 << INTEL_HDMID_CLONE_BIT);
intel_output->ddc_bus = intel_i2c_create(dev, PCH_GPIOE,
"HDMIB");
+ dev_priv->hotplug_supported_mask |= HDMIB_HOTPLUG_INT_STATUS;
} else if (sdvox_reg == HDMIC) {
intel_output->clone_mask = (1 << INTEL_HDMIE_CLONE_BIT);
intel_output->ddc_bus = intel_i2c_create(dev, PCH_GPIOD,
"HDMIC");
+ dev_priv->hotplug_supported_mask |= HDMIC_HOTPLUG_INT_STATUS;
} else if (sdvox_reg == HDMID) {
intel_output->clone_mask = (1 << INTEL_HDMIF_CLONE_BIT);
intel_output->ddc_bus = intel_i2c_create(dev, PCH_GPIOF,
"HDMID");
+ dev_priv->hotplug_supported_mask |= HDMID_HOTPLUG_INT_STATUS;
}
if (!intel_output->ddc_bus)
goto err_connector;
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 29e21d3..3f5aaf1 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -2743,6 +2743,7 @@ static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
bool intel_sdvo_init(struct drm_device *dev, int output_device)
{
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_connector *connector;
struct intel_output *intel_output;
struct intel_sdvo_priv *sdvo_priv;
@@ -2789,10 +2790,12 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "SDVOB DDC BUS");
sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, GPIOA,
"SDVOB/VGA DDC BUS");
+ dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
} else {
intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "SDVOC DDC BUS");
sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, GPIOA,
"SDVOC/VGA DDC BUS");
+ dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
}
if (intel_output->ddc_bus == NULL)
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 5b28b4e..ce026f0 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1801,6 +1801,8 @@ intel_tv_init(struct drm_device *dev)
drm_connector_attach_property(connector,
dev->mode_config.tv_bottom_margin_property,
tv_priv->margin[TV_MARGIN_BOTTOM]);
+
+ dev_priv->hotplug_supported_mask |= TV_HOTPLUG_INT_STATUS;
out:
drm_sysfs_connector_add(connector);
}
diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index b368406..100da85 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -346,10 +346,8 @@ static int ipathfs_fill_super(struct super_block *sb, void *data,
list_for_each_entry_safe(dd, tmp, &ipath_dev_list, ipath_list) {
spin_unlock_irqrestore(&ipath_devs_lock, flags);
ret = create_device_files(sb, dd);
- if (ret) {
- deactivate_locked_super(sb);
+ if (ret)
goto bail;
- }
spin_lock_irqsave(&ipath_devs_lock, flags);
}
diff --git a/drivers/input/misc/winbond-cir.c b/drivers/input/misc/winbond-cir.c
index 33309fe..c8f5a9a 100644
--- a/drivers/input/misc/winbond-cir.c
+++ b/drivers/input/misc/winbond-cir.c
@@ -768,7 +768,7 @@ wbcir_parse_rc6(struct device *dev, struct wbcir_data *data)
return;
}
- dev_info(dev, "IR-RC6 ad 0x%02X cm 0x%02X cu 0x%04X "
+ dev_dbg(dev, "IR-RC6 ad 0x%02X cm 0x%02X cu 0x%04X "
"toggle %u mode %u scan 0x%08X\n",
address,
command,
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 610e914..b6992b7 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -4330,6 +4330,8 @@ initChainBuffers(MPT_ADAPTER *ioc)
if (ioc->bus_type == SPI)
num_chain *= MPT_SCSI_CAN_QUEUE;
+ else if (ioc->bus_type == SAS)
+ num_chain *= MPT_SAS_CAN_QUEUE;
else
num_chain *= MPT_FC_CAN_QUEUE;
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index f237ddb..111ea41 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -853,7 +853,6 @@ static long ubi_cdev_ioctl(struct file *file, unsigned int cmd,
break;
}
- req.name[req.name_len] = '\0';
err = verify_mkvol_req(ubi, &req);
if (err)
break;
diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index a84f1c5..511b922 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -272,8 +272,13 @@ struct be_adapter {
u32 cap;
u32 rx_fc; /* Rx flow control */
u32 tx_fc; /* Tx flow control */
+ u8 generation; /* BladeEngine ASIC generation */
};
+/* BladeEngine Generation numbers */
+#define BE_GEN2 2
+#define BE_GEN3 3
+
extern const struct ethtool_ops be_ethtool_ops;
#define drvr_stats(adapter) (&adapter->stats.drvr_stats)
diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h
index e5f9676..ad33d55 100644
--- a/drivers/net/benet/be_cmds.h
+++ b/drivers/net/benet/be_cmds.h
@@ -154,7 +154,8 @@ struct be_cmd_req_hdr {
u8 domain; /* dword 0 */
u32 timeout; /* dword 1 */
u32 request_length; /* dword 2 */
- u32 rsvd; /* dword 3 */
+ u8 version; /* dword 3 */
+ u8 rsvd[3]; /* dword 3 */
};
#define RESP_HDR_INFO_OPCODE_SHIFT 0 /* bits 0 - 7 */
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 3749bb1..ec983cb 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -1944,6 +1944,7 @@ static void be_unmap_pci_bars(struct be_adapter *adapter)
static int be_map_pci_bars(struct be_adapter *adapter)
{
u8 __iomem *addr;
+ int pcicfg_reg;
addr = ioremap_nocache(pci_resource_start(adapter->pdev, 2),
pci_resource_len(adapter->pdev, 2));
@@ -1957,8 +1958,13 @@ static int be_map_pci_bars(struct be_adapter *adapter)
goto pci_map_err;
adapter->db = addr;
- addr = ioremap_nocache(pci_resource_start(adapter->pdev, 1),
- pci_resource_len(adapter->pdev, 1));
+ if (adapter->generation == BE_GEN2)
+ pcicfg_reg = 1;
+ else
+ pcicfg_reg = 0;
+
+ addr = ioremap_nocache(pci_resource_start(adapter->pdev, pcicfg_reg),
+ pci_resource_len(adapter->pdev, pcicfg_reg));
if (addr == NULL)
goto pci_map_err;
adapter->pcicfg = addr;
@@ -2028,6 +2034,7 @@ static int be_stats_init(struct be_adapter *adapter)
cmd->va = pci_alloc_consistent(adapter->pdev, cmd->size, &cmd->dma);
if (cmd->va == NULL)
return -1;
+ memset(cmd->va, 0, cmd->size);
return 0;
}
@@ -2101,6 +2108,20 @@ static int __devinit be_probe(struct pci_dev *pdev,
goto rel_reg;
}
adapter = netdev_priv(netdev);
+
+ switch (pdev->device) {
+ case BE_DEVICE_ID1:
+ case OC_DEVICE_ID1:
+ adapter->generation = BE_GEN2;
+ break;
+ case BE_DEVICE_ID2:
+ case OC_DEVICE_ID2:
+ adapter->generation = BE_GEN3;
+ break;
+ default:
+ adapter->generation = 0;
+ }
+
adapter->pdev = pdev;
pci_set_drvdata(pdev, adapter);
adapter->netdev = netdev;
diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h
index 42e2b7e..4a2ee85 100644
--- a/drivers/net/e1000/e1000.h
+++ b/drivers/net/e1000/e1000.h
@@ -326,6 +326,8 @@ struct e1000_adapter {
/* for ioport free */
int bars;
int need_ioport;
+
+ bool discarding;
};
enum e1000_state_t {
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index bcd192c..1a23f16 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -1698,18 +1698,6 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter)
rctl &= ~E1000_RCTL_SZ_4096;
rctl |= E1000_RCTL_BSEX;
switch (adapter->rx_buffer_len) {
- case E1000_RXBUFFER_256:
- rctl |= E1000_RCTL_SZ_256;
- rctl &= ~E1000_RCTL_BSEX;
- break;
- case E1000_RXBUFFER_512:
- rctl |= E1000_RCTL_SZ_512;
- rctl &= ~E1000_RCTL_BSEX;
- break;
- case E1000_RXBUFFER_1024:
- rctl |= E1000_RCTL_SZ_1024;
- rctl &= ~E1000_RCTL_BSEX;
- break;
case E1000_RXBUFFER_2048:
default:
rctl |= E1000_RCTL_SZ_2048;
@@ -3154,13 +3142,7 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
* however with the new *_jumbo_rx* routines, jumbo receives will use
* fragmented skbs */
- if (max_frame <= E1000_RXBUFFER_256)
- adapter->rx_buffer_len = E1000_RXBUFFER_256;
- else if (max_frame <= E1000_RXBUFFER_512)
- adapter->rx_buffer_len = E1000_RXBUFFER_512;
- else if (max_frame <= E1000_RXBUFFER_1024)
- adapter->rx_buffer_len = E1000_RXBUFFER_1024;
- else if (max_frame <= E1000_RXBUFFER_2048)
+ if (max_frame <= E1000_RXBUFFER_2048)
adapter->rx_buffer_len = E1000_RXBUFFER_2048;
else
#if (PAGE_SIZE >= E1000_RXBUFFER_16384)
@@ -3827,13 +3809,22 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
length = le16_to_cpu(rx_desc->length);
/* !EOP means multiple descriptors were used to store a single
- * packet, also make sure the frame isn't just CRC only */
- if (unlikely(!(status & E1000_RXD_STAT_EOP) || (length <= 4))) {
+ * packet, if thats the case we need to toss it. In fact, we
+ * to toss every packet with the EOP bit clear and the next
+ * frame that _does_ have the EOP bit set, as it is by
+ * definition only a frame fragment
+ */
+ if (unlikely(!(status & E1000_RXD_STAT_EOP)))
+ adapter->discarding = true;
+
+ if (adapter->discarding) {
/* All receives must fit into a single buffer */
E1000_DBG("%s: Receive packet consumed multiple"
" buffers\n", netdev->name);
/* recycle */
buffer_info->skb = skb;
+ if (status & E1000_RXD_STAT_EOP)
+ adapter->discarding = false;
goto next_desc;
}
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index 3e187b0..47db9bd 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -417,6 +417,7 @@ struct e1000_info {
/* CRC Stripping defines */
#define FLAG2_CRC_STRIPPING (1 << 0)
#define FLAG2_HAS_PHY_WAKEUP (1 << 1)
+#define FLAG2_IS_DISCARDING (1 << 2)
#define E1000_RX_DESC_PS(R, i) \
(&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index fad8f9e..2154530 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -482,14 +482,24 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
length = le16_to_cpu(rx_desc->length);
- /* !EOP means multiple descriptors were used to store a single
- * packet, also make sure the frame isn't just CRC only */
- if (!(status & E1000_RXD_STAT_EOP) || (length <= 4)) {
+ /*
+ * !EOP means multiple descriptors were used to store a single
+ * packet, if that's the case we need to toss it. In fact, we
+ * need to toss every packet with the EOP bit clear and the
+ * next frame that _does_ have the EOP bit set, as it is by
+ * definition only a frame fragment
+ */
+ if (unlikely(!(status & E1000_RXD_STAT_EOP)))
+ adapter->flags2 |= FLAG2_IS_DISCARDING;
+
+ if (adapter->flags2 & FLAG2_IS_DISCARDING) {
/* All receives must fit into a single buffer */
e_dbg("%s: Receive packet consumed multiple buffers\n",
netdev->name);
/* recycle */
buffer_info->skb = skb;
+ if (status & E1000_RXD_STAT_EOP)
+ adapter->flags2 &= ~FLAG2_IS_DISCARDING;
goto next_desc;
}
@@ -747,10 +757,16 @@ static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
PCI_DMA_FROMDEVICE);
buffer_info->dma = 0;
- if (!(staterr & E1000_RXD_STAT_EOP)) {
+ /* see !EOP comment in other rx routine */
+ if (!(staterr & E1000_RXD_STAT_EOP))
+ adapter->flags2 |= FLAG2_IS_DISCARDING;
+
+ if (adapter->flags2 & FLAG2_IS_DISCARDING) {
e_dbg("%s: Packet Split buffers didn't pick up the "
"full packet\n", netdev->name);
dev_kfree_skb_irq(skb);
+ if (staterr & E1000_RXD_STAT_EOP)
+ adapter->flags2 &= ~FLAG2_IS_DISCARDING;
goto next_desc;
}
@@ -1120,6 +1136,7 @@ static void e1000_clean_rx_ring(struct e1000_adapter *adapter)
rx_ring->next_to_clean = 0;
rx_ring->next_to_use = 0;
+ adapter->flags2 &= ~FLAG2_IS_DISCARDING;
writel(0, adapter->hw.hw_addr + rx_ring->head);
writel(0, adapter->hw.hw_addr + rx_ring->tail);
@@ -2330,18 +2347,6 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter)
rctl &= ~E1000_RCTL_SZ_4096;
rctl |= E1000_RCTL_BSEX;
switch (adapter->rx_buffer_len) {
- case 256:
- rctl |= E1000_RCTL_SZ_256;
- rctl &= ~E1000_RCTL_BSEX;
- break;
- case 512:
- rctl |= E1000_RCTL_SZ_512;
- rctl &= ~E1000_RCTL_BSEX;
- break;
- case 1024:
- rctl |= E1000_RCTL_SZ_1024;
- rctl &= ~E1000_RCTL_BSEX;
- break;
case 2048:
default:
rctl |= E1000_RCTL_SZ_2048;
@@ -4321,13 +4326,7 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
* fragmented skbs
*/
- if (max_frame <= 256)
- adapter->rx_buffer_len = 256;
- else if (max_frame <= 512)
- adapter->rx_buffer_len = 512;
- else if (max_frame <= 1024)
- adapter->rx_buffer_len = 1024;
- else if (max_frame <= 2048)
+ if (max_frame <= 2048)
adapter->rx_buffer_len = 2048;
else
adapter->rx_buffer_len = 4096;
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 6a10d7b..f3600b3 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -1806,7 +1806,8 @@ static void sky2_tx_complete(struct sky2_port *sky2, u16 done)
sky2->tx_cons = idx;
smp_mb();
- if (tx_avail(sky2) > MAX_SKB_TX_LE + 4)
+ /* Wake unless it's detached, and called e.g. from sky2_down() */
+ if (tx_avail(sky2) > MAX_SKB_TX_LE + 4 && netif_device_present(dev))
netif_wake_queue(dev);
}
diff --git a/drivers/net/starfire.c b/drivers/net/starfire.c
index a36e2b5..e65ee4d 100644
--- a/drivers/net/starfire.c
+++ b/drivers/net/starfire.c
@@ -1063,7 +1063,7 @@ static int netdev_open(struct net_device *dev)
if (retval) {
printk(KERN_ERR "starfire: Failed to load firmware \"%s\"\n",
FIRMWARE_RX);
- return retval;
+ goto out_init;
}
if (fw_rx->size % 4) {
printk(KERN_ERR "starfire: bogus length %zu in \"%s\"\n",
@@ -1108,6 +1108,9 @@ out_tx:
release_firmware(fw_tx);
out_rx:
release_firmware(fw_rx);
+out_init:
+ if (retval)
+ netdev_close(dev);
return retval;
}
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index c7aa05a..0905b38 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -880,12 +880,11 @@ static void ath9k_hw_init_mode_gain_regs(struct ath_hw *ah)
}
}
-static void ath9k_hw_init_11a_eeprom_fix(struct ath_hw *ah)
+static void ath9k_hw_init_eeprom_fix(struct ath_hw *ah)
{
u32 i, j;
- if ((ah->hw_version.devid == AR9280_DEVID_PCI) &&
- test_bit(ATH9K_MODE_11A, ah->caps.wireless_modes)) {
+ if (ah->hw_version.devid == AR9280_DEVID_PCI) {
/* EEPROM Fixup */
for (i = 0; i < ah->iniModes.ia_rows; i++) {
@@ -980,7 +979,7 @@ int ath9k_hw_init(struct ath_hw *ah)
ath9k_hw_init_mode_gain_regs(ah);
ath9k_hw_fill_cap_info(ah);
- ath9k_hw_init_11a_eeprom_fix(ah);
+ ath9k_hw_init_eeprom_fix(ah);
r = ath9k_hw_init_macaddr(ah);
if (r) {
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 80df8f3..5864eaa 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2285,10 +2285,10 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
(sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT)) {
ath9k_ps_wakeup(sc);
ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
- ath_beacon_return(sc, avp);
ath9k_ps_restore(sc);
}
+ ath_beacon_return(sc, avp);
sc->sc_flags &= ~SC_OP_BEACONS;
for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 81726ee..0eb2591 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -2808,7 +2808,7 @@ static void rs_fill_link_cmd(struct iwl_priv *priv,
repeat_rate--;
}
- lq_cmd->agg_params.agg_frame_cnt_limit = LINK_QUAL_AGG_FRAME_LIMIT_MAX;
+ lq_cmd->agg_params.agg_frame_cnt_limit = LINK_QUAL_AGG_FRAME_LIMIT_DEF;
lq_cmd->agg_params.agg_dis_start_th = LINK_QUAL_AGG_DISABLE_START_DEF;
lq_cmd->agg_params.agg_time_limit =
cpu_to_le16(LINK_QUAL_AGG_TIME_LIMIT_DEF);
diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
index 768bd0e..43ed81e 100644
--- a/drivers/regulator/wm8350-regulator.c
+++ b/drivers/regulator/wm8350-regulator.c
@@ -1504,7 +1504,8 @@ int wm8350_register_led(struct wm8350 *wm8350, int lednum, int dcdc, int isink,
led->isink_init.consumer_supplies = &led->isink_consumer;
led->isink_init.constraints.min_uA = 0;
led->isink_init.constraints.max_uA = pdata->max_uA;
- led->isink_init.constraints.valid_ops_mask = REGULATOR_CHANGE_CURRENT;
+ led->isink_init.constraints.valid_ops_mask
+ = REGULATOR_CHANGE_CURRENT | REGULATOR_CHANGE_STATUS;
led->isink_init.constraints.valid_modes_mask = REGULATOR_MODE_NORMAL;
ret = wm8350_register_regulator(wm8350, isink, &led->isink_init);
if (ret != 0) {
@@ -1517,6 +1518,7 @@ int wm8350_register_led(struct wm8350 *wm8350, int lednum, int dcdc, int isink,
led->dcdc_init.num_consumer_supplies = 1;
led->dcdc_init.consumer_supplies = &led->dcdc_consumer;
led->dcdc_init.constraints.valid_modes_mask = REGULATOR_MODE_NORMAL;
+ led->dcdc_init.constraints.valid_ops_mask = REGULATOR_CHANGE_STATUS;
ret = wm8350_register_regulator(wm8350, dcdc, &led->dcdc_init);
if (ret != 0) {
platform_device_put(pdev);
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index aaccc8e..513dec9 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1005,8 +1005,8 @@ static void dasd_handle_killed_request(struct ccw_device *cdev,
if (device == NULL ||
device != dasd_device_from_cdev_locked(cdev) ||
strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) {
- DBF_DEV_EVENT(DBF_DEBUG, device, "invalid device in request: "
- "bus_id %s", dev_name(&cdev->dev));
+ DBF_EVENT_DEVID(DBF_DEBUG, cdev, "%s",
+ "invalid device in request");
return;
}
@@ -1078,8 +1078,8 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
device = (struct dasd_device *) cqr->startdev;
if (!device ||
strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) {
- DBF_DEV_EVENT(DBF_DEBUG, device, "invalid device in request: "
- "bus_id %s", dev_name(&cdev->dev));
+ DBF_EVENT_DEVID(DBF_DEBUG, cdev, "%s",
+ "invalid device in request");
return;
}
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 417b97c..80c205b 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -2980,7 +2980,7 @@ static void dasd_eckd_dump_sense_ccw(struct dasd_device *device,
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
" in req: %p CS: 0x%02X DS: 0x%02X CC: 0x%02X RC: %d\n",
req, scsw_cstat(&irb->scsw), scsw_dstat(&irb->scsw),
- scsw_cc(&irb->scsw), req->intrc);
+ scsw_cc(&irb->scsw), req ? req->intrc : 0);
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
" device %s: Failing CCW: %p\n",
dev_name(&device->cdev->dev),
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index f756a1b..a5354b8 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -260,7 +260,7 @@ static int dasd_ioctl_information(struct dasd_block *block,
struct ccw_dev_id dev_id;
base = block->base;
- if (!base->discipline->fill_info)
+ if (!base->discipline || !base->discipline->fill_info)
return -EINVAL;
dasd_info = kzalloc(sizeof(struct dasd_information2_t), GFP_KERNEL);
@@ -303,10 +303,7 @@ static int dasd_ioctl_information(struct dasd_block *block,
dasd_info->features |=
((base->features & DASD_FEATURE_READONLY) != 0);
- if (base->discipline)
- memcpy(dasd_info->type, base->discipline->name, 4);
- else
- memcpy(dasd_info->type, "none", 4);
+ memcpy(dasd_info->type, base->discipline->name, 4);
if (block->request_queue->request_fn) {
struct list_head *l;
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index 654daa3..f9d7d38 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -71,7 +71,7 @@ dasd_devices_show(struct seq_file *m, void *v)
/* Print device number. */
seq_printf(m, "%s", dev_name(&device->cdev->dev));
/* Print discipline string. */
- if (device != NULL && device->discipline != NULL)
+ if (device->discipline != NULL)
seq_printf(m, "(%s)", device->discipline->name);
else
seq_printf(m, "(none)");
@@ -91,10 +91,7 @@ dasd_devices_show(struct seq_file *m, void *v)
substr = (device->features & DASD_FEATURE_READONLY) ? "(ro)" : " ";
seq_printf(m, "%4s: ", substr);
/* Print device status information. */
- switch ((device != NULL) ? device->state : -1) {
- case -1:
- seq_printf(m, "unknown");
- break;
+ switch (device->state) {
case DASD_STATE_NEW:
seq_printf(m, "new");
break;
diff --git a/drivers/s390/crypto/zcrypt_pcicc.c b/drivers/s390/crypto/zcrypt_pcicc.c
index f4b0c47..7f1e3ba 100644
--- a/drivers/s390/crypto/zcrypt_pcicc.c
+++ b/drivers/s390/crypto/zcrypt_pcicc.c
@@ -373,6 +373,8 @@ static int convert_type86(struct zcrypt_device *zdev,
zdev->max_mod_size = PCICC_MAX_MOD_SIZE_OLD;
return -EAGAIN;
}
+ if (service_rc == 8 && service_rs == 72)
+ return -EINVAL;
zdev->online = 0;
return -EAGAIN; /* repeat the request on a different device. */
}
diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c
index 5677b40..1f9e923 100644
--- a/drivers/s390/crypto/zcrypt_pcixcc.c
+++ b/drivers/s390/crypto/zcrypt_pcixcc.c
@@ -462,6 +462,8 @@ static int convert_type86_ica(struct zcrypt_device *zdev,
}
if (service_rc == 12 && service_rs == 769)
return -EINVAL;
+ if (service_rc == 8 && service_rs == 72)
+ return -EINVAL;
zdev->online = 0;
return -EAGAIN; /* repeat the request on a different device. */
}
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 5987da8..bc9a881 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -749,9 +749,9 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
*/
req->next_rq->resid_len = scsi_in(cmd)->resid;
+ scsi_release_buffers(cmd);
blk_end_request_all(req, 0);
- scsi_release_buffers(cmd);
scsi_next_command(cmd);
return;
}
diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c
index 377f271..ab2ab3c 100644
--- a/drivers/serial/uartlite.c
+++ b/drivers/serial/uartlite.c
@@ -394,7 +394,7 @@ static void ulite_console_write(struct console *co, const char *s,
spin_unlock_irqrestore(&port->lock, flags);
}
-static int __init ulite_console_setup(struct console *co, char *options)
+static int __devinit ulite_console_setup(struct console *co, char *options)
{
struct uart_port *port;
int baud = 9600;
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index e33d362..5b56f53 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -216,8 +216,17 @@ static void disable_controller(struct r8a66597 *r8a66597)
{
int port;
+ /* disable interrupts */
r8a66597_write(r8a66597, 0, INTENB0);
- r8a66597_write(r8a66597, 0, INTSTS0);
+ r8a66597_write(r8a66597, 0, INTENB1);
+ r8a66597_write(r8a66597, 0, BRDYENB);
+ r8a66597_write(r8a66597, 0, BEMPENB);
+ r8a66597_write(r8a66597, 0, NRDYENB);
+
+ /* clear status */
+ r8a66597_write(r8a66597, 0, BRDYSTS);
+ r8a66597_write(r8a66597, 0, NRDYSTS);
+ r8a66597_write(r8a66597, 0, BEMPSTS);
for (port = 0; port < r8a66597->max_root_hub; port++)
r8a66597_disable_port(r8a66597, port);
@@ -2470,6 +2479,12 @@ static int __devinit r8a66597_probe(struct platform_device *pdev)
r8a66597->rh_timer.data = (unsigned long)r8a66597;
r8a66597->reg = (unsigned long)reg;
+ /* make sure no interrupts are pending */
+ ret = r8a66597_clock_enable(r8a66597);
+ if (ret < 0)
+ goto clean_up3;
+ disable_controller(r8a66597);
+
for (i = 0; i < R8A66597_MAX_NUM_PIPE; i++) {
INIT_LIST_HEAD(&r8a66597->pipe_queue[i]);
init_timer(&r8a66597->td_timer[i]);
diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c
index 66358fa..b4b6dec 100644
--- a/drivers/video/imxfb.c
+++ b/drivers/video/imxfb.c
@@ -593,7 +593,8 @@ static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *inf
*/
static int imxfb_suspend(struct platform_device *dev, pm_message_t state)
{
- struct imxfb_info *fbi = platform_get_drvdata(dev);
+ struct fb_info *info = platform_get_drvdata(dev);
+ struct imxfb_info *fbi = info->par;
pr_debug("%s\n", __func__);
@@ -603,7 +604,8 @@ static int imxfb_suspend(struct platform_device *dev, pm_message_t state)
static int imxfb_resume(struct platform_device *dev)
{
- struct imxfb_info *fbi = platform_get_drvdata(dev);
+ struct fb_info *info = platform_get_drvdata(dev);
+ struct imxfb_info *fbi = info->par;
pr_debug("%s\n", __func__);
diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c
index 054ef29..772ba3f 100644
--- a/drivers/video/mx3fb.c
+++ b/drivers/video/mx3fb.c
@@ -324,8 +324,11 @@ static void sdc_enable_channel(struct mx3fb_info *mx3_fbi)
unsigned long flags;
dma_cookie_t cookie;
- dev_dbg(mx3fb->dev, "mx3fbi %p, desc %p, sg %p\n", mx3_fbi,
- to_tx_desc(mx3_fbi->txd), to_tx_desc(mx3_fbi->txd)->sg);
+ if (mx3_fbi->txd)
+ dev_dbg(mx3fb->dev, "mx3fbi %p, desc %p, sg %p\n", mx3_fbi,
+ to_tx_desc(mx3_fbi->txd), to_tx_desc(mx3_fbi->txd)->sg);
+ else
+ dev_dbg(mx3fb->dev, "mx3fbi %p, txd = NULL\n", mx3_fbi);
/* This enables the channel */
if (mx3_fbi->cookie < 0) {
@@ -646,6 +649,7 @@ static int sdc_set_global_alpha(struct mx3fb_data *mx3fb, bool enable, uint8_t a
static void sdc_set_brightness(struct mx3fb_data *mx3fb, uint8_t value)
{
+ dev_dbg(mx3fb->dev, "%s: value = %d\n", __func__, value);
/* This might be board-specific */
mx3fb_write_reg(mx3fb, 0x03000000UL | value << 16, SDC_PWM_CTRL);
return;
@@ -1486,12 +1490,12 @@ static int mx3fb_probe(struct platform_device *pdev)
goto ersdc0;
}
+ mx3fb->backlight_level = 255;
+
ret = init_fb_chan(mx3fb, to_idmac_chan(chan));
if (ret < 0)
goto eisdc0;
- mx3fb->backlight_level = 255;
-
return 0;
eisdc0:
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 14a8644..69357c0 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -188,7 +188,8 @@ static void v9fs_kill_super(struct super_block *s)
P9_DPRINTK(P9_DEBUG_VFS, " %p\n", s);
- v9fs_dentry_release(s->s_root); /* clunk root */
+ if (s->s_root)
+ v9fs_dentry_release(s->s_root); /* clunk root */
kill_anon_super(s);
diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index e511dc6..0e40caa 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -106,8 +106,8 @@ struct affs_sb_info {
u32 s_last_bmap;
struct buffer_head *s_bmap_bh;
char *s_prefix; /* Prefix for volumes and assigns. */
- int s_prefix_len; /* Length of prefix. */
char s_volume[32]; /* Volume prefix for absolute symlinks. */
+ spinlock_t symlink_lock; /* protects the previous two */
};
#define SF_INTL 0x0001 /* International filesystem. */
diff --git a/fs/affs/namei.c b/fs/affs/namei.c
index 960d336..d70bbba 100644
--- a/fs/affs/namei.c
+++ b/fs/affs/namei.c
@@ -341,10 +341,13 @@ affs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
p = (char *)AFFS_HEAD(bh)->table;
lc = '/';
if (*symname == '/') {
+ struct affs_sb_info *sbi = AFFS_SB(sb);
while (*symname == '/')
symname++;
- while (AFFS_SB(sb)->s_volume[i]) /* Cannot overflow */
- *p++ = AFFS_SB(sb)->s_volume[i++];
+ spin_lock(&sbi->symlink_lock);
+ while (sbi->s_volume[i]) /* Cannot overflow */
+ *p++ = sbi->s_volume[i++];
+ spin_unlock(&sbi->symlink_lock);
}
while (i < maxlen && (c = *symname++)) {
if (c == '.' && lc == '/' && *symname == '.' && symname[1] == '/') {
diff --git a/fs/affs/super.c b/fs/affs/super.c
index 104fdcb..d41e967 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -203,7 +203,7 @@ parse_options(char *options, uid_t *uid, gid_t *gid, int *mode, int *reserved, s
switch (token) {
case Opt_bs:
if (match_int(&args[0], &n))
- return -EINVAL;
+ return 0;
if (n != 512 && n != 1024 && n != 2048
&& n != 4096) {
printk ("AFFS: Invalid blocksize (512, 1024, 2048, 4096 allowed)\n");
@@ -213,7 +213,7 @@ parse_options(char *options, uid_t *uid, gid_t *gid, int *mode, int *reserved, s
break;
case Opt_mode:
if (match_octal(&args[0], &option))
- return 1;
+ return 0;
*mode = option & 0777;
*mount_opts |= SF_SETMODE;
break;
@@ -221,8 +221,6 @@ parse_options(char *options, uid_t *uid, gid_t *gid, int *mode, int *reserved, s
*mount_opts |= SF_MUFS;
break;
case Opt_prefix:
- /* Free any previous prefix */
- kfree(*prefix);
*prefix = match_strdup(&args[0]);
if (!*prefix)
return 0;
@@ -233,21 +231,21 @@ parse_options(char *options, uid_t *uid, gid_t *gid, int *mode, int *reserved, s
break;
case Opt_reserved:
if (match_int(&args[0], reserved))
- return 1;
+ return 0;
break;
case Opt_root:
if (match_int(&args[0], root))
- return 1;
+ return 0;
break;
case Opt_setgid:
if (match_int(&args[0], &option))
- return 1;
+ return 0;
*gid = option;
*mount_opts |= SF_SETGID;
break;
case Opt_setuid:
if (match_int(&args[0], &option))
- return -EINVAL;
+ return 0;
*uid = option;
*mount_opts |= SF_SETUID;
break;
@@ -311,11 +309,14 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent)
return -ENOMEM;
sb->s_fs_info = sbi;
mutex_init(&sbi->s_bmlock);
+ spin_lock_init(&sbi->symlink_lock);
if (!parse_options(data,&uid,&gid,&i,&reserved,&root_block,
&blocksize,&sbi->s_prefix,
sbi->s_volume, &mount_flags)) {
printk(KERN_ERR "AFFS: Error parsing options\n");
+ kfree(sbi->s_prefix);
+ kfree(sbi);
return -EINVAL;
}
/* N.B. after this point s_prefix must be released */
@@ -516,14 +517,18 @@ affs_remount(struct super_block *sb, int *flags, char *data)
unsigned long mount_flags;
int res = 0;
char *new_opts = kstrdup(data, GFP_KERNEL);
+ char volume[32];
+ char *prefix = NULL;
pr_debug("AFFS: remount(flags=0x%x,opts=\"%s\")\n",*flags,data);
*flags |= MS_NODIRATIME;
+ memcpy(volume, sbi->s_volume, 32);
if (!parse_options(data, &uid, &gid, &mode, &reserved, &root_block,
- &blocksize, &sbi->s_prefix, sbi->s_volume,
+ &blocksize, &prefix, volume,
&mount_flags)) {
+ kfree(prefix);
kfree(new_opts);
return -EINVAL;
}
@@ -534,6 +539,14 @@ affs_remount(struct super_block *sb, int *flags, char *data)
sbi->s_mode = mode;
sbi->s_uid = uid;
sbi->s_gid = gid;
+ /* protect against readers */
+ spin_lock(&sbi->symlink_lock);
+ if (prefix) {
+ kfree(sbi->s_prefix);
+ sbi->s_prefix = prefix;
+ }
+ memcpy(sbi->s_volume, volume, 32);
+ spin_unlock(&sbi->symlink_lock);
if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) {
unlock_kernel();
diff --git a/fs/affs/symlink.c b/fs/affs/symlink.c
index 4178253..ee00f08 100644
--- a/fs/affs/symlink.c
+++ b/fs/affs/symlink.c
@@ -20,7 +20,6 @@ static int affs_symlink_readpage(struct file *file, struct page *page)
int i, j;
char c;
char lc;
- char *pf;
pr_debug("AFFS: follow_link(ino=%lu)\n",inode->i_ino);
@@ -32,11 +31,15 @@ static int affs_symlink_readpage(struct file *file, struct page *page)
j = 0;
lf = (struct slink_front *)bh->b_data;
lc = 0;
- pf = AFFS_SB(inode->i_sb)->s_prefix ? AFFS_SB(inode->i_sb)->s_prefix : "/";
if (strchr(lf->symname,':')) { /* Handle assign or volume name */
+ struct affs_sb_info *sbi = AFFS_SB(inode->i_sb);
+ char *pf;
+ spin_lock(&sbi->symlink_lock);
+ pf = sbi->s_prefix ? sbi->s_prefix : "/";
while (i < 1023 && (c = pf[i]))
link[i++] = c;
+ spin_unlock(&sbi->symlink_lock);
while (i < 1023 && lf->symname[j] != ':')
link[i++] = lf->symname[j++];
if (i < 1023)
diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c
index 6f60336..8f3d9fd 100644
--- a/fs/bfs/inode.c
+++ b/fs/bfs/inode.c
@@ -353,35 +353,35 @@ static int bfs_fill_super(struct super_block *s, void *data, int silent)
struct inode *inode;
unsigned i, imap_len;
struct bfs_sb_info *info;
- long ret = -EINVAL;
+ int ret = -EINVAL;
unsigned long i_sblock, i_eblock, i_eoff, s_size;
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
+ mutex_init(&info->bfs_lock);
s->s_fs_info = info;
sb_set_blocksize(s, BFS_BSIZE);
- bh = sb_bread(s, 0);
- if(!bh)
+ info->si_sbh = sb_bread(s, 0);
+ if (!info->si_sbh)
goto out;
- bfs_sb = (struct bfs_super_block *)bh->b_data;
+ bfs_sb = (struct bfs_super_block *)info->si_sbh->b_data;
if (le32_to_cpu(bfs_sb->s_magic) != BFS_MAGIC) {
if (!silent)
printf("No BFS filesystem on %s (magic=%08x)\n",
s->s_id, le32_to_cpu(bfs_sb->s_magic));
- goto out;
+ goto out1;
}
if (BFS_UNCLEAN(bfs_sb, s) && !silent)
printf("%s is unclean, continuing\n", s->s_id);
s->s_magic = BFS_MAGIC;
- info->si_sbh = bh;
if (le32_to_cpu(bfs_sb->s_start) > le32_to_cpu(bfs_sb->s_end)) {
printf("Superblock is corrupted\n");
- goto out;
+ goto out1;
}
info->si_lasti = (le32_to_cpu(bfs_sb->s_start) - BFS_BSIZE) /
@@ -390,7 +390,7 @@ static int bfs_fill_super(struct super_block *s, void *data, int silent)
imap_len = (info->si_lasti / 8) + 1;
info->si_imap = kzalloc(imap_len, GFP_KERNEL);
if (!info->si_imap)
- goto out;
+ goto out1;
for (i = 0; i < BFS_ROOT_INO; i++)
set_bit(i, info->si_imap);
@@ -398,15 +398,13 @@ static int bfs_fill_super(struct super_block *s, void *data, int silent)
inode = bfs_iget(s, BFS_ROOT_INO);
if (IS_ERR(inode)) {
ret = PTR_ERR(inode);
- kfree(info->si_imap);
- goto out;
+ goto out2;
}
s->s_root = d_alloc_root(inode);
if (!s->s_root) {
iput(inode);
ret = -ENOMEM;
- kfree(info->si_imap);
- goto out;
+ goto out2;
}
info->si_blocks = (le32_to_cpu(bfs_sb->s_end) + 1) >> BFS_BSIZE_BITS;
@@ -419,10 +417,8 @@ static int bfs_fill_super(struct super_block *s, void *data, int silent)
bh = sb_bread(s, info->si_blocks - 1);
if (!bh) {
printf("Last block not available: %lu\n", info->si_blocks - 1);
- iput(inode);
ret = -EIO;
- kfree(info->si_imap);
- goto out;
+ goto out3;
}
brelse(bh);
@@ -459,11 +455,8 @@ static int bfs_fill_super(struct super_block *s, void *data, int silent)
printf("Inode 0x%08x corrupted\n", i);
brelse(bh);
- s->s_root = NULL;
- kfree(info->si_imap);
- kfree(info);
- s->s_fs_info = NULL;
- return -EIO;
+ ret = -EIO;
+ goto out3;
}
if (!di->i_ino) {
@@ -483,11 +476,17 @@ static int bfs_fill_super(struct super_block *s, void *data, int silent)
s->s_dirt = 1;
}
dump_imap("read_super", s);
- mutex_init(&info->bfs_lock);
return 0;
+out3:
+ dput(s->s_root);
+ s->s_root = NULL;
+out2:
+ kfree(info->si_imap);
+out1:
+ brelse(info->si_sbh);
out:
- brelse(bh);
+ mutex_destroy(&info->bfs_lock);
kfree(info);
s->s_fs_info = NULL;
return ret;
diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c
index b639dcf..0133b5a 100644
--- a/fs/binfmt_aout.c
+++ b/fs/binfmt_aout.c
@@ -263,6 +263,7 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
#else
set_personality(PER_LINUX);
#endif
+ setup_new_exec(bprm);
current->mm->end_code = ex.a_text +
(current->mm->start_code = N_TXTADDR(ex));
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index b9b3bb5..1ed37ba 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -662,27 +662,6 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
if (elf_interpreter[elf_ppnt->p_filesz - 1] != '\0')
goto out_free_interp;
- /*
- * The early SET_PERSONALITY here is so that the lookup
- * for the interpreter happens in the namespace of the
- * to-be-execed image. SET_PERSONALITY can select an
- * alternate root.
- *
- * However, SET_PERSONALITY is NOT allowed to switch
- * this task into the new images's memory mapping
- * policy - that is, TASK_SIZE must still evaluate to
- * that which is appropriate to the execing application.
- * This is because exit_mmap() needs to have TASK_SIZE
- * evaluate to the size of the old image.
- *
- * So if (say) a 64-bit application is execing a 32-bit
- * application it is the architecture's responsibility
- * to defer changing the value of TASK_SIZE until the
- * switch really is going to happen - do this in
- * flush_thread(). - akpm
- */
- SET_PERSONALITY(loc->elf_ex);
-
interpreter = open_exec(elf_interpreter);
retval = PTR_ERR(interpreter);
if (IS_ERR(interpreter))
@@ -730,9 +709,6 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
/* Verify the interpreter has a valid arch */
if (!elf_check_arch(&loc->interp_elf_ex))
goto out_free_dentry;
- } else {
- /* Executables without an interpreter also need a personality */
- SET_PERSONALITY(loc->elf_ex);
}
/* Flush all traces of the currently running executable */
@@ -752,7 +728,8 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
current->flags |= PF_RANDOMIZE;
- arch_pick_mmap_layout(current->mm);
+
+ setup_new_exec(bprm);
/* Do this so that we can load the interpreter, if need be. We will
change some of these later */
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 38502c6..e7a0bb4 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -171,6 +171,9 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm,
#ifdef ELF_FDPIC_PLAT_INIT
unsigned long dynaddr;
#endif
+#ifndef CONFIG_MMU
+ unsigned long stack_prot;
+#endif
struct file *interpreter = NULL; /* to shut gcc up */
char *interpreter_name = NULL;
int executable_stack;
@@ -316,6 +319,11 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm,
* defunct, deceased, etc. after this point we have to exit via
* error_kill */
set_personality(PER_LINUX_FDPIC);
+ if (elf_read_implies_exec(&exec_params.hdr, executable_stack))
+ current->personality |= READ_IMPLIES_EXEC;
+
+ setup_new_exec(bprm);
+
set_binfmt(&elf_fdpic_format);
current->mm->start_code = 0;
@@ -377,9 +385,13 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm,
if (stack_size < PAGE_SIZE * 2)
stack_size = PAGE_SIZE * 2;
+ stack_prot = PROT_READ | PROT_WRITE;
+ if (executable_stack == EXSTACK_ENABLE_X ||
+ (executable_stack == EXSTACK_DEFAULT && VM_STACK_FLAGS & VM_EXEC))
+ stack_prot |= PROT_EXEC;
+
down_write(¤t->mm->mmap_sem);
- current->mm->start_brk = do_mmap(NULL, 0, stack_size,
- PROT_READ | PROT_WRITE | PROT_EXEC,
+ current->mm->start_brk = do_mmap(NULL, 0, stack_size, stack_prot,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_GROWSDOWN,
0);
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index a279665..ca88c46 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -519,6 +519,7 @@ static int load_flat_file(struct linux_binprm * bprm,
/* OK, This is the point of no return */
set_personality(PER_LINUX_32BIT);
+ setup_new_exec(bprm);
}
/*
diff --git a/fs/binfmt_som.c b/fs/binfmt_som.c
index eff74b9..35cf002 100644
--- a/fs/binfmt_som.c
+++ b/fs/binfmt_som.c
@@ -227,6 +227,7 @@ load_som_binary(struct linux_binprm * bprm, struct pt_regs * regs)
/* OK, This is the point of no return */
current->flags &= ~PF_FORKNOEXEC;
current->personality = PER_HPUX;
+ setup_new_exec(bprm);
/* Set the task size for HP-UX processes such that
* the gateway page is outside the address space.
diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c
index 49a34e7..a16f29e 100644
--- a/fs/bio-integrity.c
+++ b/fs/bio-integrity.c
@@ -61,7 +61,7 @@ static inline unsigned int vecs_to_idx(unsigned int nr)
static inline int use_bip_pool(unsigned int idx)
{
- if (idx == BIOVEC_NR_POOLS)
+ if (idx == BIOVEC_MAX_IDX)
return 1;
return 0;
@@ -95,6 +95,7 @@ struct bio_integrity_payload *bio_integrity_alloc_bioset(struct bio *bio,
/* Use mempool if lower order alloc failed or max vecs were requested */
if (bip == NULL) {
+ idx = BIOVEC_MAX_IDX; /* so we free the payload properly later */
bip = mempool_alloc(bs->bio_integrity_pool, gfp_mask);
if (unlikely(bip == NULL)) {
diff --git a/fs/bio.c b/fs/bio.c
index 12da5db..e0c9e71 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -542,13 +542,18 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page
if (page == prev->bv_page &&
offset == prev->bv_offset + prev->bv_len) {
+ unsigned int prev_bv_len = prev->bv_len;
prev->bv_len += len;
if (q->merge_bvec_fn) {
struct bvec_merge_data bvm = {
+ /* prev_bvec is already charged in
+ bi_size, discharge it in order to
+ simulate merging updated prev_bvec
+ as new bvec. */
.bi_bdev = bio->bi_bdev,
.bi_sector = bio->bi_sector,
- .bi_size = bio->bi_size,
+ .bi_size = bio->bi_size - prev_bv_len,
.bi_rw = bio->bi_rw,
};
diff --git a/fs/exec.c b/fs/exec.c
index ba112bd..7fa4efd 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -931,9 +931,7 @@ void set_task_comm(struct task_struct *tsk, char *buf)
int flush_old_exec(struct linux_binprm * bprm)
{
- char * name;
- int i, ch, retval;
- char tcomm[sizeof(current->comm)];
+ int retval;
/*
* Make sure we have a private signal table and that
@@ -954,6 +952,25 @@ int flush_old_exec(struct linux_binprm * bprm)
bprm->mm = NULL; /* We're using it now */
+ current->flags &= ~PF_RANDOMIZE;
+ flush_thread();
+ current->personality &= ~bprm->per_clear;
+
+ return 0;
+
+out:
+ return retval;
+}
+EXPORT_SYMBOL(flush_old_exec);
+
+void setup_new_exec(struct linux_binprm * bprm)
+{
+ int i, ch;
+ char * name;
+ char tcomm[sizeof(current->comm)];
+
+ arch_pick_mmap_layout(current->mm);
+
/* This is the point of no return */
current->sas_ss_sp = current->sas_ss_size = 0;
@@ -975,9 +992,6 @@ int flush_old_exec(struct linux_binprm * bprm)
tcomm[i] = '\0';
set_task_comm(current, tcomm);
- current->flags &= ~PF_RANDOMIZE;
- flush_thread();
-
/* Set the new mm task size. We have to do that late because it may
* depend on TIF_32BIT which is only updated in flush_thread() on
* some architectures like powerpc
@@ -993,8 +1007,6 @@ int flush_old_exec(struct linux_binprm * bprm)
set_dumpable(current->mm, suid_dumpable);
}
- current->personality &= ~bprm->per_clear;
-
/*
* Flush performance counters when crossing a
* security domain:
@@ -1009,14 +1021,8 @@ int flush_old_exec(struct linux_binprm * bprm)
flush_signal_handlers(current, 0);
flush_old_files(current->files);
-
- return 0;
-
-out:
- return retval;
}
-
-EXPORT_SYMBOL(flush_old_exec);
+EXPORT_SYMBOL(setup_new_exec);
/*
* Prepare credentials and lock ->cred_guard_mutex.
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index c18913a..a9f5e13 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -828,6 +828,9 @@ static ssize_t fuse_fill_write_pages(struct fuse_req *req,
if (!page)
break;
+ if (mapping_writably_mapped(mapping))
+ flush_dcache_page(page);
+
pagefault_disable();
tmp = iov_iter_copy_from_user_atomic(page, ii, offset, bytes);
pagefault_enable();
diff --git a/fs/romfs/super.c b/fs/romfs/super.c
index c117fa8..42d2135 100644
--- a/fs/romfs/super.c
+++ b/fs/romfs/super.c
@@ -544,6 +544,7 @@ error:
error_rsb_inval:
ret = -EINVAL;
error_rsb:
+ kfree(rsb);
return ret;
}
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index dfcd920..c010b94 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -253,6 +253,13 @@ void __init acpi_old_suspend_ordering(void);
void __init acpi_s4_no_nvs(void);
#endif /* CONFIG_PM_SLEEP */
+struct acpi_osc_context {
+ char *uuid_str; /* uuid string */
+ int rev;
+ struct acpi_buffer cap; /* arg2/arg3 */
+ struct acpi_buffer ret; /* free by caller if success */
+};
+
#define OSC_QUERY_TYPE 0
#define OSC_SUPPORT_TYPE 1
#define OSC_CONTROL_TYPE 2
@@ -265,6 +272,15 @@ void __init acpi_s4_no_nvs(void);
#define OSC_INVALID_REVISION_ERROR 8
#define OSC_CAPABILITIES_MASK_ERROR 16
+acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
+
+/* platform-wide _OSC bits */
+#define OSC_SB_PAD_SUPPORT 1
+#define OSC_SB_PPC_OST_SUPPORT 2
+#define OSC_SB_PR3_SUPPORT 4
+#define OSC_SB_CPUHP_OST_SUPPORT 8
+#define OSC_SB_APEI_SUPPORT 16
+
/* _OSC DW1 Definition (OS Support Fields) */
#define OSC_EXT_PCI_CONFIG_SUPPORT 1
#define OSC_ACTIVE_STATE_PWR_SUPPORT 2
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index aece486..340f441 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -101,6 +101,7 @@ extern int prepare_binprm(struct linux_binprm *);
extern int __must_check remove_arg_zero(struct linux_binprm *);
extern int search_binary_handler(struct linux_binprm *,struct pt_regs *);
extern int flush_old_exec(struct linux_binprm * bprm);
+extern void setup_new_exec(struct linux_binprm * bprm);
extern int suid_dumpable;
#define SUID_DUMP_DISABLE 0 /* No setuid dumping */
diff --git a/include/linux/connector.h b/include/linux/connector.h
index 3a14615..ecb61c4 100644
--- a/include/linux/connector.h
+++ b/include/linux/connector.h
@@ -24,9 +24,6 @@
#include <linux/types.h>
-#define CN_IDX_CONNECTOR 0xffffffff
-#define CN_VAL_CONNECTOR 0xffffffff
-
/*
* Process Events connector unique ids -- used for message routing
*/
@@ -73,30 +70,6 @@ struct cn_msg {
__u8 data[0];
};
-/*
- * Notify structure - requests notification about
- * registering/unregistering idx/val in range [first, first+range].
- */
-struct cn_notify_req {
- __u32 first;
- __u32 range;
-};
-
-/*
- * Main notification control message
- * *_notify_num - number of appropriate cn_notify_req structures after
- * this struct.
- * group - notification receiver's idx.
- * len - total length of the attached data.
- */
-struct cn_ctl_msg {
- __u32 idx_notify_num;
- __u32 val_notify_num;
- __u32 group;
- __u32 len;
- __u8 data[0];
-};
-
#ifdef __KERNEL__
#include <asm/atomic.h>
@@ -149,11 +122,6 @@ struct cn_callback_entry {
u32 seq, group;
};
-struct cn_ctl_entry {
- struct list_head notify_entry;
- struct cn_ctl_msg *msg;
-};
-
struct cn_dev {
struct cb_id id;
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index ad27c7d..9cd0bcf 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -83,6 +83,7 @@ static inline void ipv4_devconf_setall(struct in_device *in_dev)
#define IN_DEV_FORWARD(in_dev) IN_DEV_CONF_GET((in_dev), FORWARDING)
#define IN_DEV_MFORWARD(in_dev) IN_DEV_ANDCONF((in_dev), MC_FORWARDING)
#define IN_DEV_RPFILTER(in_dev) IN_DEV_MAXCONF((in_dev), RP_FILTER)
+#define IN_DEV_SRC_VMARK(in_dev) IN_DEV_ORCONF((in_dev), SRC_VMARK)
#define IN_DEV_SOURCE_ROUTE(in_dev) IN_DEV_ANDCONF((in_dev), \
ACCEPT_SOURCE_ROUTE)
#define IN_DEV_BOOTP_RELAY(in_dev) IN_DEV_ANDCONF((in_dev), BOOTP_RELAY)
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 8908dd6..0eadd71 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -439,6 +439,7 @@ struct kvm_ioeventfd {
#endif
#define KVM_CAP_IOEVENTFD 36
#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
+#define KVM_CAP_ADJUST_CLOCK 39
#ifdef KVM_CAP_IRQ_ROUTING
@@ -501,6 +502,12 @@ struct kvm_irqfd {
__u8 pad[20];
};
+struct kvm_clock_data {
+ __u64 clock;
+ __u32 flags;
+ __u32 pad[9];
+};
+
/*
* ioctls for VM fds
*/
@@ -550,6 +557,8 @@ struct kvm_irqfd {
#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
+#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
+#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
/*
* ioctls for vcpu fds
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 8769864..b0f6d97 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -354,6 +354,9 @@ enum {
/* max tries if error condition is still set after ->error_handler */
ATA_EH_MAX_TRIES = 5,
+ /* sometimes resuming a link requires several retries */
+ ATA_LINK_RESUME_TRIES = 5,
+
/* how hard are we gonna try to probe/recover devices */
ATA_PROBE_MAX_TRIES = 3,
ATA_EH_DEV_TRIES = 3,
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index ed5d750..3c62ed4 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -253,6 +253,8 @@ extern struct page * read_cache_page_async(struct address_space *mapping,
extern struct page * read_cache_page(struct address_space *mapping,
pgoff_t index, filler_t *filler,
void *data);
+extern struct page * read_cache_page_gfp(struct address_space *mapping,
+ pgoff_t index, gfp_t gfp_mask);
extern int read_cache_pages(struct address_space *mapping,
struct list_head *pages, filler_t *filler, void *data);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 0f67914..d3dce7d 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1354,7 +1354,7 @@ struct task_struct {
char comm[TASK_COMM_LEN]; /* executable name excluding path
- access with [gs]et_task_comm (which lock
it with task_lock())
- - initialized normally by flush_old_exec */
+ - initialized normally by setup_new_exec */
/* file system info */
int link_count, total_link_count;
#ifdef CONFIG_SYSVIPC
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 1e4743e..0eb6942 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -490,6 +490,7 @@ enum
NET_IPV4_CONF_PROMOTE_SECONDARIES=20,
NET_IPV4_CONF_ARP_ACCEPT=21,
NET_IPV4_CONF_ARP_NOTIFY=22,
+ NET_IPV4_CONF_SRC_VMARK=24,
__NET_IPV4_CONF_MAX
};
diff --git a/include/net/netrom.h b/include/net/netrom.h
index 15696b1..ab170a6 100644
--- a/include/net/netrom.h
+++ b/include/net/netrom.h
@@ -132,6 +132,8 @@ static __inline__ void nr_node_put(struct nr_node *nr_node)
static __inline__ void nr_neigh_put(struct nr_neigh *nr_neigh)
{
if (atomic_dec_and_test(&nr_neigh->refcount)) {
+ if (nr_neigh->ax25)
+ ax25_cb_put(nr_neigh->ax25);
kfree(nr_neigh->digipeat);
kfree(nr_neigh);
}
diff --git a/kernel/cred.c b/kernel/cred.c
index dd76cfe..1ed8ca1 100644
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -224,7 +224,7 @@ struct cred *cred_alloc_blank(void)
#ifdef CONFIG_KEYS
new->tgcred = kzalloc(sizeof(*new->tgcred), GFP_KERNEL);
if (!new->tgcred) {
- kfree(new);
+ kmem_cache_free(cred_jar, new);
return NULL;
}
atomic_set(&new->tgcred->usage, 1);
diff --git a/kernel/sysctl_check.c b/kernel/sysctl_check.c
index b6e7aae..469193c 100644
--- a/kernel/sysctl_check.c
+++ b/kernel/sysctl_check.c
@@ -220,6 +220,7 @@ static const struct trans_ctl_table trans_net_ipv4_conf_vars_table[] = {
{ NET_IPV4_CONF_PROMOTE_SECONDARIES, "promote_secondaries" },
{ NET_IPV4_CONF_ARP_ACCEPT, "arp_accept" },
{ NET_IPV4_CONF_ARP_NOTIFY, "arp_notify" },
+ { NET_IPV4_CONF_SRC_VMARK, "src_valid_mark" },
{}
};
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 5155dc3..ecc7adb 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -413,8 +413,6 @@ void clocksource_touch_watchdog(void)
clocksource_resume_watchdog();
}
-#ifdef CONFIG_GENERIC_TIME
-
/**
* clocksource_max_deferment - Returns max time the clocksource can be deferred
* @cs: Pointer to clocksource
@@ -456,6 +454,8 @@ static u64 clocksource_max_deferment(struct clocksource *cs)
return max_nsecs - (max_nsecs >> 5);
}
+#ifdef CONFIG_GENERIC_TIME
+
/**
* clocksource_select - Select the best clocksource available
*
diff --git a/mm/filemap.c b/mm/filemap.c
index ef169f3..8e96c90 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1655,14 +1655,15 @@ EXPORT_SYMBOL(generic_file_readonly_mmap);
static struct page *__read_cache_page(struct address_space *mapping,
pgoff_t index,
int (*filler)(void *,struct page*),
- void *data)
+ void *data,
+ gfp_t gfp)
{
struct page *page;
int err;
repeat:
page = find_get_page(mapping, index);
if (!page) {
- page = page_cache_alloc_cold(mapping);
+ page = __page_cache_alloc(gfp | __GFP_COLD);
if (!page)
return ERR_PTR(-ENOMEM);
err = add_to_page_cache_lru(page, mapping, index, GFP_KERNEL);
@@ -1682,31 +1683,18 @@ repeat:
return page;
}
-/**
- * read_cache_page_async - read into page cache, fill it if needed
- * @mapping: the page's address_space
- * @index: the page index
- * @filler: function to perform the read
- * @data: destination for read data
- *
- * Same as read_cache_page, but don't wait for page to become unlocked
- * after submitting it to the filler.
- *
- * Read into the page cache. If a page already exists, and PageUptodate() is
- * not set, try to fill the page but don't wait for it to become unlocked.
- *
- * If the page does not get brought uptodate, return -EIO.
- */
-struct page *read_cache_page_async(struct address_space *mapping,
+static struct page *do_read_cache_page(struct address_space *mapping,
pgoff_t index,
int (*filler)(void *,struct page*),
- void *data)
+ void *data,
+ gfp_t gfp)
+
{
struct page *page;
int err;
retry:
- page = __read_cache_page(mapping, index, filler, data);
+ page = __read_cache_page(mapping, index, filler, data, gfp);
if (IS_ERR(page))
return page;
if (PageUptodate(page))
@@ -1731,8 +1719,67 @@ out:
mark_page_accessed(page);
return page;
}
+
+/**
+ * read_cache_page_async - read into page cache, fill it if needed
+ * @mapping: the page's address_space
+ * @index: the page index
+ * @filler: function to perform the read
+ * @data: destination for read data
+ *
+ * Same as read_cache_page, but don't wait for page to become unlocked
+ * after submitting it to the filler.
+ *
+ * Read into the page cache. If a page already exists, and PageUptodate() is
+ * not set, try to fill the page but don't wait for it to become unlocked.
+ *
+ * If the page does not get brought uptodate, return -EIO.
+ */
+struct page *read_cache_page_async(struct address_space *mapping,
+ pgoff_t index,
+ int (*filler)(void *,struct page*),
+ void *data)
+{
+ return do_read_cache_page(mapping, index, filler, data, mapping_gfp_mask(mapping));
+}
EXPORT_SYMBOL(read_cache_page_async);
+static struct page *wait_on_page_read(struct page *page)
+{
+ if (!IS_ERR(page)) {
+ wait_on_page_locked(page);
+ if (!PageUptodate(page)) {
+ page_cache_release(page);
+ page = ERR_PTR(-EIO);
+ }
+ }
+ return page;
+}
+
+/**
+ * read_cache_page_gfp - read into page cache, using specified page allocation flags.
+ * @mapping: the page's address_space
+ * @index: the page index
+ * @gfp: the page allocator flags to use if allocating
+ *
+ * This is the same as "read_mapping_page(mapping, index, NULL)", but with
+ * any new page allocations done using the specified allocation flags. Note
+ * that the Radix tree operations will still use GFP_KERNEL, so you can't
+ * expect to do this atomically or anything like that - but you can pass in
+ * other page requirements.
+ *
+ * If the page does not get brought uptodate, return -EIO.
+ */
+struct page *read_cache_page_gfp(struct address_space *mapping,
+ pgoff_t index,
+ gfp_t gfp)
+{
+ filler_t *filler = (filler_t *)mapping->a_ops->readpage;
+
+ return wait_on_page_read(do_read_cache_page(mapping, index, filler, NULL, gfp));
+}
+EXPORT_SYMBOL(read_cache_page_gfp);
+
/**
* read_cache_page - read into page cache, fill it if needed
* @mapping: the page's address_space
@@ -1750,18 +1797,7 @@ struct page *read_cache_page(struct address_space *mapping,
int (*filler)(void *,struct page*),
void *data)
{
- struct page *page;
-
- page = read_cache_page_async(mapping, index, filler, data);
- if (IS_ERR(page))
- goto out;
- wait_on_page_locked(page);
- if (!PageUptodate(page)) {
- page_cache_release(page);
- page = ERR_PTR(-EIO);
- }
- out:
- return page;
+ return wait_on_page_read(read_cache_page_async(mapping, index, filler, data));
}
EXPORT_SYMBOL(read_cache_page);
@@ -2217,6 +2253,9 @@ again:
if (unlikely(status))
break;
+ if (mapping_writably_mapped(mapping))
+ flush_dcache_page(page);
+
pagefault_disable();
copied = iov_iter_copy_from_user_atomic(page, i, offset, bytes);
pagefault_enable();
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 3a78e2e..36992b6 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -559,8 +559,9 @@ static void free_pcppages_bulk(struct zone *zone, int count,
page = list_entry(list->prev, struct page, lru);
/* must delete as __free_one_page list manipulates */
list_del(&page->lru);
- __free_one_page(page, zone, 0, migratetype);
- trace_mm_page_pcpu_drain(page, 0, migratetype);
+ /* MIGRATE_MOVABLE list may include MIGRATE_RESERVEs */
+ __free_one_page(page, zone, 0, page_private(page));
+ trace_mm_page_pcpu_drain(page, 0, page_private(page));
} while (--count && --batch_free && !list_empty(list));
}
spin_unlock(&zone->lock);
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index a3a99d3..c228731 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -509,6 +509,9 @@ static unsigned long lazy_max_pages(void)
static atomic_t vmap_lazy_nr = ATOMIC_INIT(0);
+/* for per-CPU blocks */
+static void purge_fragmented_blocks_allcpus(void);
+
/*
* Purges all lazily-freed vmap areas.
*
@@ -539,6 +542,9 @@ static void __purge_vmap_area_lazy(unsigned long *start, unsigned long *end,
} else
spin_lock(&purge_lock);
+ if (sync)
+ purge_fragmented_blocks_allcpus();
+
rcu_read_lock();
list_for_each_entry_rcu(va, &vmap_area_list, list) {
if (va->flags & VM_LAZY_FREE) {
@@ -667,8 +673,6 @@ static bool vmap_initialized __read_mostly = false;
struct vmap_block_queue {
spinlock_t lock;
struct list_head free;
- struct list_head dirty;
- unsigned int nr_dirty;
};
struct vmap_block {
@@ -678,10 +682,9 @@ struct vmap_block {
unsigned long free, dirty;
DECLARE_BITMAP(alloc_map, VMAP_BBMAP_BITS);
DECLARE_BITMAP(dirty_map, VMAP_BBMAP_BITS);
- union {
- struct list_head free_list;
- struct rcu_head rcu_head;
- };
+ struct list_head free_list;
+ struct rcu_head rcu_head;
+ struct list_head purge;
};
/* Queue of free and dirty vmap blocks, for allocation and flushing purposes */
@@ -757,7 +760,7 @@ static struct vmap_block *new_vmap_block(gfp_t gfp_mask)
vbq = &get_cpu_var(vmap_block_queue);
vb->vbq = vbq;
spin_lock(&vbq->lock);
- list_add(&vb->free_list, &vbq->free);
+ list_add_rcu(&vb->free_list, &vbq->free);
spin_unlock(&vbq->lock);
put_cpu_var(vmap_cpu_blocks);
@@ -776,8 +779,6 @@ static void free_vmap_block(struct vmap_block *vb)
struct vmap_block *tmp;
unsigned long vb_idx;
- BUG_ON(!list_empty(&vb->free_list));
-
vb_idx = addr_to_vb_idx(vb->va->va_start);
spin_lock(&vmap_block_tree_lock);
tmp = radix_tree_delete(&vmap_block_tree, vb_idx);
@@ -788,12 +789,61 @@ static void free_vmap_block(struct vmap_block *vb)
call_rcu(&vb->rcu_head, rcu_free_vb);
}
+static void purge_fragmented_blocks(int cpu)
+{
+ LIST_HEAD(purge);
+ struct vmap_block *vb;
+ struct vmap_block *n_vb;
+ struct vmap_block_queue *vbq = &per_cpu(vmap_block_queue, cpu);
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(vb, &vbq->free, free_list) {
+
+ if (!(vb->free + vb->dirty == VMAP_BBMAP_BITS && vb->dirty != VMAP_BBMAP_BITS))
+ continue;
+
+ spin_lock(&vb->lock);
+ if (vb->free + vb->dirty == VMAP_BBMAP_BITS && vb->dirty != VMAP_BBMAP_BITS) {
+ vb->free = 0; /* prevent further allocs after releasing lock */
+ vb->dirty = VMAP_BBMAP_BITS; /* prevent purging it again */
+ bitmap_fill(vb->alloc_map, VMAP_BBMAP_BITS);
+ bitmap_fill(vb->dirty_map, VMAP_BBMAP_BITS);
+ spin_lock(&vbq->lock);
+ list_del_rcu(&vb->free_list);
+ spin_unlock(&vbq->lock);
+ spin_unlock(&vb->lock);
+ list_add_tail(&vb->purge, &purge);
+ } else
+ spin_unlock(&vb->lock);
+ }
+ rcu_read_unlock();
+
+ list_for_each_entry_safe(vb, n_vb, &purge, purge) {
+ list_del(&vb->purge);
+ free_vmap_block(vb);
+ }
+}
+
+static void purge_fragmented_blocks_thiscpu(void)
+{
+ purge_fragmented_blocks(smp_processor_id());
+}
+
+static void purge_fragmented_blocks_allcpus(void)
+{
+ int cpu;
+
+ for_each_possible_cpu(cpu)
+ purge_fragmented_blocks(cpu);
+}
+
static void *vb_alloc(unsigned long size, gfp_t gfp_mask)
{
struct vmap_block_queue *vbq;
struct vmap_block *vb;
unsigned long addr = 0;
unsigned int order;
+ int purge = 0;
BUG_ON(size & ~PAGE_MASK);
BUG_ON(size > PAGE_SIZE*VMAP_MAX_ALLOC);
@@ -806,24 +856,37 @@ again:
int i;
spin_lock(&vb->lock);
+ if (vb->free < 1UL << order)
+ goto next;
i = bitmap_find_free_region(vb->alloc_map,
VMAP_BBMAP_BITS, order);
- if (i >= 0) {
- addr = vb->va->va_start + (i << PAGE_SHIFT);
- BUG_ON(addr_to_vb_idx(addr) !=
- addr_to_vb_idx(vb->va->va_start));
- vb->free -= 1UL << order;
- if (vb->free == 0) {
- spin_lock(&vbq->lock);
- list_del_init(&vb->free_list);
- spin_unlock(&vbq->lock);
+ if (i < 0) {
+ if (vb->free + vb->dirty == VMAP_BBMAP_BITS) {
+ /* fragmented and no outstanding allocations */
+ BUG_ON(vb->dirty != VMAP_BBMAP_BITS);
+ purge = 1;
}
- spin_unlock(&vb->lock);
- break;
+ goto next;
}
+ addr = vb->va->va_start + (i << PAGE_SHIFT);
+ BUG_ON(addr_to_vb_idx(addr) !=
+ addr_to_vb_idx(vb->va->va_start));
+ vb->free -= 1UL << order;
+ if (vb->free == 0) {
+ spin_lock(&vbq->lock);
+ list_del_rcu(&vb->free_list);
+ spin_unlock(&vbq->lock);
+ }
+ spin_unlock(&vb->lock);
+ break;
+next:
spin_unlock(&vb->lock);
}
+
+ if (purge)
+ purge_fragmented_blocks_thiscpu();
+
put_cpu_var(vmap_cpu_blocks);
rcu_read_unlock();
@@ -860,11 +923,11 @@ static void vb_free(const void *addr, unsigned long size)
BUG_ON(!vb);
spin_lock(&vb->lock);
- bitmap_allocate_region(vb->dirty_map, offset >> PAGE_SHIFT, order);
+ BUG_ON(bitmap_allocate_region(vb->dirty_map, offset >> PAGE_SHIFT, order));
vb->dirty += 1UL << order;
if (vb->dirty == VMAP_BBMAP_BITS) {
- BUG_ON(vb->free || !list_empty(&vb->free_list));
+ BUG_ON(vb->free);
spin_unlock(&vb->lock);
free_vmap_block(vb);
} else
@@ -1033,8 +1096,6 @@ void __init vmalloc_init(void)
vbq = &per_cpu(vmap_block_queue, i);
spin_lock_init(&vbq->lock);
INIT_LIST_HEAD(&vbq->free);
- INIT_LIST_HEAD(&vbq->dirty);
- vbq->nr_dirty = 0;
}
/* Import existing vmlist entries. */
diff --git a/net/ax25/ax25_out.c b/net/ax25/ax25_out.c
index bf706f8..1491260 100644
--- a/net/ax25/ax25_out.c
+++ b/net/ax25/ax25_out.c
@@ -92,6 +92,12 @@ ax25_cb *ax25_send_frame(struct sk_buff *skb, int paclen, ax25_address *src, ax2
#endif
}
+ /*
+ * There is one ref for the state machine; a caller needs
+ * one more to put it back, just like with the existing one.
+ */
+ ax25_cb_hold(ax25);
+
ax25_cb_add(ax25);
ax25->state = AX25_STATE_1;
diff --git a/net/core/sock.c b/net/core/sock.c
index 7626b6a..6605e75 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1181,6 +1181,10 @@ struct sock *sk_clone(const struct sock *sk, const gfp_t priority)
if (newsk->sk_prot->sockets_allocated)
percpu_counter_inc(newsk->sk_prot->sockets_allocated);
+
+ if (sock_flag(newsk, SOCK_TIMESTAMP) ||
+ sock_flag(newsk, SOCK_TIMESTAMPING_RX_SOFTWARE))
+ net_enable_timestamp();
}
out:
return newsk;
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 5df2f6a..0030e73 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1450,6 +1450,7 @@ static struct devinet_sysctl_table {
DEVINET_SYSCTL_RW_ENTRY(SEND_REDIRECTS, "send_redirects"),
DEVINET_SYSCTL_RW_ENTRY(ACCEPT_SOURCE_ROUTE,
"accept_source_route"),
+ DEVINET_SYSCTL_RW_ENTRY(SRC_VMARK, "src_valid_mark"),
DEVINET_SYSCTL_RW_ENTRY(PROXY_ARP, "proxy_arp"),
DEVINET_SYSCTL_RW_ENTRY(MEDIUM_ID, "medium_id"),
DEVINET_SYSCTL_RW_ENTRY(BOOTP_RELAY, "bootp_relay"),
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index aa00398..29391ee 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -251,6 +251,8 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
if (in_dev) {
no_addr = in_dev->ifa_list == NULL;
rpf = IN_DEV_RPFILTER(in_dev);
+ if (mark && !IN_DEV_SRC_VMARK(in_dev))
+ fl.mark = 0;
}
rcu_read_unlock();
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index 37b9051..d87645e 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -655,7 +655,7 @@ TRACE_EVENT(drv_ampdu_action,
__entry->ret = ret;
__entry->action = action;
__entry->tid = tid;
- __entry->ssn = *ssn;
+ __entry->ssn = ssn ? *ssn : 0;
),
TP_printk(
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index 4eb1ac9..850ffc0 100644
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -842,12 +842,13 @@ int nr_route_frame(struct sk_buff *skb, ax25_cb *ax25)
dptr = skb_push(skb, 1);
*dptr = AX25_P_NETROM;
- ax25s = ax25_send_frame(skb, 256, (ax25_address *)dev->dev_addr, &nr_neigh->callsign, nr_neigh->digipeat, nr_neigh->dev);
- if (nr_neigh->ax25 && ax25s) {
- /* We were already holding this ax25_cb */
+ ax25s = nr_neigh->ax25;
+ nr_neigh->ax25 = ax25_send_frame(skb, 256,
+ (ax25_address *)dev->dev_addr,
+ &nr_neigh->callsign,
+ nr_neigh->digipeat, nr_neigh->dev);
+ if (ax25s)
ax25_cb_put(ax25s);
- }
- nr_neigh->ax25 = ax25s;
dev_put(dev);
ret = (nr_neigh->ax25 != NULL);
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index f2d116a..41866eb 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1028,8 +1028,20 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
status = TP_STATUS_SEND_REQUEST;
err = dev_queue_xmit(skb);
- if (unlikely(err > 0 && (err = net_xmit_errno(err)) != 0))
- goto out_xmit;
+ if (unlikely(err > 0)) {
+ err = net_xmit_errno(err);
+ if (err && __packet_get_status(po, ph) ==
+ TP_STATUS_AVAILABLE) {
+ /* skb was destructed already */
+ skb = NULL;
+ goto out_status;
+ }
+ /*
+ * skb was dropped but not destructed yet;
+ * let's treat it like congestion or err < 0
+ */
+ err = 0;
+ }
packet_increment_head(&po->tx_ring);
len_sum += tp_len;
} while (likely((ph != NULL) || ((!(msg->msg_flags & MSG_DONTWAIT))
@@ -1039,9 +1051,6 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
err = len_sum;
goto out_put;
-out_xmit:
- skb->destructor = sock_wfree;
- atomic_dec(&po->tx_ring.pending);
out_status:
__packet_set_status(po, ph, status);
kfree_skb(skb);
diff --git a/net/rose/rose_link.c b/net/rose/rose_link.c
index bd86a63..5ef5f69 100644
--- a/net/rose/rose_link.c
+++ b/net/rose/rose_link.c
@@ -101,13 +101,17 @@ static void rose_t0timer_expiry(unsigned long param)
static int rose_send_frame(struct sk_buff *skb, struct rose_neigh *neigh)
{
ax25_address *rose_call;
+ ax25_cb *ax25s;
if (ax25cmp(&rose_callsign, &null_ax25_address) == 0)
rose_call = (ax25_address *)neigh->dev->dev_addr;
else
rose_call = &rose_callsign;
+ ax25s = neigh->ax25;
neigh->ax25 = ax25_send_frame(skb, 260, rose_call, &neigh->callsign, neigh->digipeat, neigh->dev);
+ if (ax25s)
+ ax25_cb_put(ax25s);
return (neigh->ax25 != NULL);
}
@@ -120,13 +124,17 @@ static int rose_send_frame(struct sk_buff *skb, struct rose_neigh *neigh)
static int rose_link_up(struct rose_neigh *neigh)
{
ax25_address *rose_call;
+ ax25_cb *ax25s;
if (ax25cmp(&rose_callsign, &null_ax25_address) == 0)
rose_call = (ax25_address *)neigh->dev->dev_addr;
else
rose_call = &rose_callsign;
+ ax25s = neigh->ax25;
neigh->ax25 = ax25_find_cb(rose_call, &neigh->callsign, neigh->digipeat, neigh->dev);
+ if (ax25s)
+ ax25_cb_put(ax25s);
return (neigh->ax25 != NULL);
}
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
index f3e2198..08230fa 100644
--- a/net/rose/rose_route.c
+++ b/net/rose/rose_route.c
@@ -234,6 +234,8 @@ static void rose_remove_neigh(struct rose_neigh *rose_neigh)
if ((s = rose_neigh_list) == rose_neigh) {
rose_neigh_list = rose_neigh->next;
+ if (rose_neigh->ax25)
+ ax25_cb_put(rose_neigh->ax25);
kfree(rose_neigh->digipeat);
kfree(rose_neigh);
return;
@@ -242,6 +244,8 @@ static void rose_remove_neigh(struct rose_neigh *rose_neigh)
while (s != NULL && s->next != NULL) {
if (s->next == rose_neigh) {
s->next = rose_neigh->next;
+ if (rose_neigh->ax25)
+ ax25_cb_put(rose_neigh->ax25);
kfree(rose_neigh->digipeat);
kfree(rose_neigh);
return;
@@ -810,6 +814,7 @@ void rose_link_failed(ax25_cb *ax25, int reason)
if (rose_neigh != NULL) {
rose_neigh->ax25 = NULL;
+ ax25_cb_put(ax25);
rose_del_route_by_neigh(rose_neigh);
rose_kill_by_neigh(rose_neigh);
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index bb230d5..36d9e25 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2366,7 +2366,7 @@ static void selinux_bprm_committing_creds(struct linux_binprm *bprm)
initrlim = init_task.signal->rlim + i;
rlim->rlim_cur = min(rlim->rlim_max, initrlim->rlim_cur);
}
- update_rlimit_cpu(rlim->rlim_cur);
+ update_rlimit_cpu(current->signal->rlim[RLIMIT_CPU].rlim_cur);
}
}
--
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