summaryrefslogtreecommitdiffstats
path: root/arch/x86
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/Kconfig3
-rw-r--r--arch/x86/ia32/ia32_signal.c55
-rw-r--r--arch/x86/ia32/ia32entry.S1
-rw-r--r--arch/x86/include/asm/ia32.h10
-rw-r--r--arch/x86/include/asm/parport.h4
-rw-r--r--arch/x86/include/asm/pci_x86.h7
-rw-r--r--arch/x86/include/asm/ptrace.h7
-rw-r--r--arch/x86/include/asm/sys_ia32.h2
-rw-r--r--arch/x86/include/asm/syscalls.h3
-rw-r--r--arch/x86/include/asm/unistd.h1
-rw-r--r--arch/x86/include/uapi/asm/signal.h6
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_uncore.c6
-rw-r--r--arch/x86/kernel/entry_32.S1
-rw-r--r--arch/x86/kernel/entry_64.S3
-rw-r--r--arch/x86/kernel/kvm.c12
-rw-r--r--arch/x86/kernel/pci-dma.c2
-rw-r--r--arch/x86/kernel/quirks.c4
-rw-r--r--arch/x86/kernel/signal.c29
-rw-r--r--arch/x86/kvm/x86.c24
-rw-r--r--arch/x86/lib/delay.c2
-rw-r--r--arch/x86/pci/acpi.c11
-rw-r--r--arch/x86/pci/bus_numa.c4
-rw-r--r--arch/x86/pci/common.c29
-rw-r--r--arch/x86/pci/fixup.c30
-rw-r--r--arch/x86/pci/legacy.c4
-rw-r--r--arch/x86/pci/mmconfig-shared.c21
-rw-r--r--arch/x86/pci/mmconfig_32.c2
-rw-r--r--arch/x86/pci/mmconfig_64.c4
-rw-r--r--arch/x86/pci/mrst.c6
-rw-r--r--arch/x86/pci/numaq_32.c2
-rw-r--r--arch/x86/pci/pcbios.c4
-rw-r--r--arch/x86/platform/mrst/mrst.c2
-rw-r--r--arch/x86/platform/olpc/olpc-xo1-pm.c8
-rw-r--r--arch/x86/platform/olpc/olpc-xo1-sci.c18
-rw-r--r--arch/x86/platform/scx200/scx200_32.c6
-rw-r--r--arch/x86/syscalls/syscall_32.tbl2
-rw-r--r--arch/x86/syscalls/syscall_64.tbl4
-rw-r--r--arch/x86/um/Kconfig3
-rw-r--r--arch/x86/um/asm/ptrace.h1
-rw-r--r--arch/x86/um/signal.c9
-rw-r--r--arch/x86/um/sys_call_table_32.c1
-rw-r--r--arch/x86/um/sys_call_table_64.c1
42 files changed, 138 insertions, 216 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 97f8c5ad8c2d..79795af59810 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -110,11 +110,10 @@ config X86
select GENERIC_STRNLEN_USER
select HAVE_CONTEXT_TRACKING if X86_64
select HAVE_IRQ_TIME_ACCOUNTING
- select GENERIC_KERNEL_THREAD
- select GENERIC_KERNEL_EXECVE
select MODULES_USE_ELF_REL if X86_32
select MODULES_USE_ELF_RELA if X86_64
select CLONE_BACKWARDS if X86_32
+ select GENERIC_SIGALTSTACK
config INSTRUCTION_DECODER
def_bool y
diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
index efc6a958b71d..a1daf4a65009 100644
--- a/arch/x86/ia32/ia32_signal.c
+++ b/arch/x86/ia32/ia32_signal.c
@@ -136,52 +136,6 @@ asmlinkage long sys32_sigsuspend(int history0, int history1, old_sigset_t mask)
return sigsuspend(&blocked);
}
-asmlinkage long sys32_sigaltstack(const stack_ia32_t __user *uss_ptr,
- stack_ia32_t __user *uoss_ptr,
- struct pt_regs *regs)
-{
- stack_t uss, uoss;
- int ret, err = 0;
- mm_segment_t seg;
-
- if (uss_ptr) {
- u32 ptr;
-
- memset(&uss, 0, sizeof(stack_t));
- if (!access_ok(VERIFY_READ, uss_ptr, sizeof(stack_ia32_t)))
- return -EFAULT;
-
- get_user_try {
- get_user_ex(ptr, &uss_ptr->ss_sp);
- get_user_ex(uss.ss_flags, &uss_ptr->ss_flags);
- get_user_ex(uss.ss_size, &uss_ptr->ss_size);
- } get_user_catch(err);
-
- if (err)
- return -EFAULT;
- uss.ss_sp = compat_ptr(ptr);
- }
- seg = get_fs();
- set_fs(KERNEL_DS);
- ret = do_sigaltstack((stack_t __force __user *) (uss_ptr ? &uss : NULL),
- (stack_t __force __user *) &uoss, regs->sp);
- set_fs(seg);
- if (ret >= 0 && uoss_ptr) {
- if (!access_ok(VERIFY_WRITE, uoss_ptr, sizeof(stack_ia32_t)))
- return -EFAULT;
-
- put_user_try {
- put_user_ex(ptr_to_compat(uoss.ss_sp), &uoss_ptr->ss_sp);
- put_user_ex(uoss.ss_flags, &uoss_ptr->ss_flags);
- put_user_ex(uoss.ss_size, &uoss_ptr->ss_size);
- } put_user_catch(err);
-
- if (err)
- ret = -EFAULT;
- }
- return ret;
-}
-
/*
* Do a signal return; undo the signal stack.
*/
@@ -292,7 +246,6 @@ asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs)
struct rt_sigframe_ia32 __user *frame;
sigset_t set;
unsigned int ax;
- struct pt_regs tregs;
frame = (struct rt_sigframe_ia32 __user *)(regs->sp - 4);
@@ -306,8 +259,7 @@ asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs)
if (ia32_restore_sigcontext(regs, &frame->uc.uc_mcontext, &ax))
goto badframe;
- tregs = *regs;
- if (sys32_sigaltstack(&frame->uc.uc_stack, NULL, &tregs) == -EFAULT)
+ if (compat_restore_altstack(&frame->uc.uc_stack))
goto badframe;
return ax;
@@ -515,10 +467,7 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
else
put_user_ex(0, &frame->uc.uc_flags);
put_user_ex(0, &frame->uc.uc_link);
- put_user_ex(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp);
- put_user_ex(sas_ss_flags(regs->sp),
- &frame->uc.uc_stack.ss_flags);
- put_user_ex(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
+ err |= __compat_save_altstack(&frame->uc.uc_stack, regs->sp);
if (ka->sa.sa_flags & SA_RESTORER)
restorer = ka->sa.sa_restorer;
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index 32e6f05ddaaa..102ff7cb3e41 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -464,7 +464,6 @@ GLOBAL(\label)
PTREGSCALL stub32_rt_sigreturn, sys32_rt_sigreturn, %rdi
PTREGSCALL stub32_sigreturn, sys32_sigreturn, %rdi
- PTREGSCALL stub32_sigaltstack, sys32_sigaltstack, %rdx
PTREGSCALL stub32_execve, compat_sys_execve, %rcx
PTREGSCALL stub32_fork, sys_fork, %rdi
PTREGSCALL stub32_vfork, sys_vfork, %rdi
diff --git a/arch/x86/include/asm/ia32.h b/arch/x86/include/asm/ia32.h
index e6232773ce49..4c6da2e4bb1d 100644
--- a/arch/x86/include/asm/ia32.h
+++ b/arch/x86/include/asm/ia32.h
@@ -29,16 +29,10 @@ struct old_sigaction32 {
unsigned int sa_restorer; /* Another 32 bit pointer */
};
-typedef struct sigaltstack_ia32 {
- unsigned int ss_sp;
- int ss_flags;
- unsigned int ss_size;
-} stack_ia32_t;
-
struct ucontext_ia32 {
unsigned int uc_flags;
unsigned int uc_link;
- stack_ia32_t uc_stack;
+ compat_stack_t uc_stack;
struct sigcontext_ia32 uc_mcontext;
compat_sigset_t uc_sigmask; /* mask last for extensibility */
};
@@ -46,7 +40,7 @@ struct ucontext_ia32 {
struct ucontext_x32 {
unsigned int uc_flags;
unsigned int uc_link;
- stack_ia32_t uc_stack;
+ compat_stack_t uc_stack;
unsigned int uc__pad0; /* needed for alignment */
struct sigcontext uc_mcontext; /* the 64-bit sigcontext type */
compat_sigset_t uc_sigmask; /* mask last for extensibility */
diff --git a/arch/x86/include/asm/parport.h b/arch/x86/include/asm/parport.h
index 3c4ffeb467e9..0d2d3b29118f 100644
--- a/arch/x86/include/asm/parport.h
+++ b/arch/x86/include/asm/parport.h
@@ -1,8 +1,8 @@
#ifndef _ASM_X86_PARPORT_H
#define _ASM_X86_PARPORT_H
-static int __devinit parport_pc_find_isa_ports(int autoirq, int autodma);
-static int __devinit parport_pc_find_nonpci_ports(int autoirq, int autodma)
+static int parport_pc_find_isa_ports(int autoirq, int autodma);
+static int parport_pc_find_nonpci_ports(int autoirq, int autodma)
{
return parport_pc_find_isa_ports(autoirq, autodma);
}
diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h
index 73e8eeff22ee..747e5a38b590 100644
--- a/arch/x86/include/asm/pci_x86.h
+++ b/arch/x86/include/asm/pci_x86.h
@@ -140,11 +140,10 @@ struct pci_mmcfg_region {
extern int __init pci_mmcfg_arch_init(void);
extern void __init pci_mmcfg_arch_free(void);
-extern int __devinit pci_mmcfg_arch_map(struct pci_mmcfg_region *cfg);
+extern int pci_mmcfg_arch_map(struct pci_mmcfg_region *cfg);
extern void pci_mmcfg_arch_unmap(struct pci_mmcfg_region *cfg);
-extern int __devinit pci_mmconfig_insert(struct device *dev,
- u16 seg, u8 start,
- u8 end, phys_addr_t addr);
+extern int pci_mmconfig_insert(struct device *dev, u16 seg, u8 start, u8 end,
+ phys_addr_t addr);
extern int pci_mmconfig_delete(u16 seg, u8 start, u8 end);
extern struct pci_mmcfg_region *pci_mmconfig_lookup(int segment, int bus);
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
index 03ca442d8f0d..942a08623a1a 100644
--- a/arch/x86/include/asm/ptrace.h
+++ b/arch/x86/include/asm/ptrace.h
@@ -133,6 +133,13 @@ static inline bool user_64bit_mode(struct pt_regs *regs)
return regs->cs == __USER_CS || regs->cs == pv_info.extra_user_64bit_cs;
#endif
}
+
+#define current_user_stack_pointer() this_cpu_read(old_rsp)
+/* ia32 vs. x32 difference */
+#define compat_user_stack_pointer() \
+ (test_thread_flag(TIF_IA32) \
+ ? current_pt_regs()->sp \
+ : this_cpu_read(old_rsp))
#endif
#ifdef CONFIG_X86_32
diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h
index c76fae4d90be..31f61f96e0fb 100644
--- a/arch/x86/include/asm/sys_ia32.h
+++ b/arch/x86/include/asm/sys_ia32.h
@@ -69,8 +69,6 @@ asmlinkage long sys32_fallocate(int, int, unsigned,
/* ia32/ia32_signal.c */
asmlinkage long sys32_sigsuspend(int, int, old_sigset_t);
-asmlinkage long sys32_sigaltstack(const stack_ia32_t __user *,
- stack_ia32_t __user *, struct pt_regs *);
asmlinkage long sys32_sigreturn(struct pt_regs *);
asmlinkage long sys32_rt_sigreturn(struct pt_regs *);
diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h
index 2f8374718aa3..58b7e3eac0ae 100644
--- a/arch/x86/include/asm/syscalls.h
+++ b/arch/x86/include/asm/syscalls.h
@@ -25,9 +25,6 @@ asmlinkage int sys_modify_ldt(int, void __user *, unsigned long);
/* kernel/signal.c */
long sys_rt_sigreturn(struct pt_regs *);
-long sys_sigaltstack(const stack_t __user *, stack_t __user *,
- struct pt_regs *);
-
/* kernel/tls.c */
asmlinkage int sys_set_thread_area(struct user_desc __user *);
diff --git a/arch/x86/include/asm/unistd.h b/arch/x86/include/asm/unistd.h
index 1003e69a40d9..a0790e07ba65 100644
--- a/arch/x86/include/asm/unistd.h
+++ b/arch/x86/include/asm/unistd.h
@@ -48,7 +48,6 @@
# define __ARCH_WANT_SYS_TIME
# define __ARCH_WANT_SYS_UTIME
# define __ARCH_WANT_SYS_WAITPID
-# define __ARCH_WANT_SYS_EXECVE
# define __ARCH_WANT_SYS_FORK
# define __ARCH_WANT_SYS_VFORK
# define __ARCH_WANT_SYS_CLONE
diff --git a/arch/x86/include/uapi/asm/signal.h b/arch/x86/include/uapi/asm/signal.h
index 0818f9a8e889..aa7d6ae39e0e 100644
--- a/arch/x86/include/uapi/asm/signal.h
+++ b/arch/x86/include/uapi/asm/signal.h
@@ -87,12 +87,6 @@ typedef unsigned long sigset_t;
#define SA_RESTORER 0x04000000
-/*
- * sigaltstack controls
- */
-#define SS_ONSTACK 1
-#define SS_DISABLE 2
-
#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192
diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index 3cf3d97cce3a..b43200dbfe7e 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -2500,7 +2500,7 @@ static bool pcidrv_registered;
/*
* add a pci uncore device
*/
-static int __devinit uncore_pci_add(struct intel_uncore_type *type, struct pci_dev *pdev)
+static int uncore_pci_add(struct intel_uncore_type *type, struct pci_dev *pdev)
{
struct intel_uncore_pmu *pmu;
struct intel_uncore_box *box;
@@ -2571,8 +2571,8 @@ static void uncore_pci_remove(struct pci_dev *pdev)
kfree(box);
}
-static int __devinit uncore_pci_probe(struct pci_dev *pdev,
- const struct pci_device_id *id)
+static int uncore_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *id)
{
struct intel_uncore_type *type;
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index c763116c5359..ff84d5469d77 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -739,7 +739,6 @@ ENTRY(ptregs_##name) ; \
ENDPROC(ptregs_##name)
PTREGSCALL1(iopl)
-PTREGSCALL2(sigaltstack)
PTREGSCALL0(sigreturn)
PTREGSCALL0(rt_sigreturn)
PTREGSCALL2(vm86)
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 70641aff0c25..07a7a04529bc 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -864,7 +864,6 @@ END(stub_\func)
FORK_LIKE clone
FORK_LIKE fork
FORK_LIKE vfork
- PTREGSCALL stub_sigaltstack, sys_sigaltstack, %rdx
PTREGSCALL stub_iopl, sys_iopl, %rsi
ENTRY(ptregscall_common)
@@ -913,8 +912,6 @@ ENTRY(stub_rt_sigreturn)
END(stub_rt_sigreturn)
#ifdef CONFIG_X86_X32_ABI
- PTREGSCALL stub_x32_sigaltstack, sys32_sigaltstack, %rdx
-
ENTRY(stub_x32_rt_sigreturn)
CFI_STARTPROC
addq $8, %rsp
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 08b973f64032..9c2bd8bd4b4c 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -43,6 +43,7 @@
#include <asm/apicdef.h>
#include <asm/hypervisor.h>
#include <asm/kvm_guest.h>
+#include <asm/context_tracking.h>
static int kvmapf = 1;
@@ -121,6 +122,8 @@ void kvm_async_pf_task_wait(u32 token)
struct kvm_task_sleep_node n, *e;
DEFINE_WAIT(wait);
+ rcu_irq_enter();
+
spin_lock(&b->lock);
e = _find_apf_task(b, token);
if (e) {
@@ -128,6 +131,8 @@ void kvm_async_pf_task_wait(u32 token)
hlist_del(&e->link);
kfree(e);
spin_unlock(&b->lock);
+
+ rcu_irq_exit();
return;
}
@@ -152,13 +157,16 @@ void kvm_async_pf_task_wait(u32 token)
/*
* We cannot reschedule. So halt.
*/
+ rcu_irq_exit();
native_safe_halt();
+ rcu_irq_enter();
local_irq_disable();
}
}
if (!n.halted)
finish_wait(&n.wq, &wait);
+ rcu_irq_exit();
return;
}
EXPORT_SYMBOL_GPL(kvm_async_pf_task_wait);
@@ -252,10 +260,10 @@ do_async_page_fault(struct pt_regs *regs, unsigned long error_code)
break;
case KVM_PV_REASON_PAGE_NOT_PRESENT:
/* page is swapped out by the host. */
- rcu_irq_enter();
+ exception_enter(regs);
exit_idle();
kvm_async_pf_task_wait((u32)read_cr2());
- rcu_irq_exit();
+ exception_exit(regs);
break;
case KVM_PV_REASON_PAGE_READY:
rcu_irq_enter();
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index de2b7ad70273..0f5dec5c80e0 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -265,7 +265,7 @@ rootfs_initcall(pci_iommu_init);
#ifdef CONFIG_PCI
/* Many VIA bridges seem to corrupt data for DAC. Disable it here */
-static __devinit void via_no_dac(struct pci_dev *dev)
+static void via_no_dac(struct pci_dev *dev)
{
if (forbid_dac == 0) {
dev_info(&dev->dev, "disabling DAC on VIA PCI bridge\n");
diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index 1b27de563561..26ee48a33dc4 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -8,7 +8,7 @@
#if defined(CONFIG_X86_IO_APIC) && defined(CONFIG_SMP) && defined(CONFIG_PCI)
-static void __devinit quirk_intel_irqbalance(struct pci_dev *dev)
+static void quirk_intel_irqbalance(struct pci_dev *dev)
{
u8 config;
u16 word;
@@ -512,7 +512,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS,
#if defined(CONFIG_PCI) && defined(CONFIG_NUMA)
/* Set correct numa_node information for AMD NB functions */
-static void __devinit quirk_amd_nb_node(struct pci_dev *dev)
+static void quirk_amd_nb_node(struct pci_dev *dev)
{
struct pci_dev *nb_ht;
unsigned int devfn;
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index fbbb604313a2..d6bf1f34a6e9 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -364,10 +364,7 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
else
put_user_ex(0, &frame->uc.uc_flags);
put_user_ex(0, &frame->uc.uc_link);
- put_user_ex(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp);
- put_user_ex(sas_ss_flags(regs->sp),
- &frame->uc.uc_stack.ss_flags);
- put_user_ex(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
+ err |= __save_altstack(&frame->uc.uc_stack, regs->sp);
/* Set up to return from userspace. */
restorer = VDSO32_SYMBOL(current->mm->context.vdso, rt_sigreturn);
@@ -414,7 +411,6 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
struct rt_sigframe __user *frame;
void __user *fp = NULL;
int err = 0;
- struct task_struct *me = current;
frame = get_sigframe(ka, regs, sizeof(struct rt_sigframe), &fp);
@@ -433,10 +429,7 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
else
put_user_ex(0, &frame->uc.uc_flags);
put_user_ex(0, &frame->uc.uc_link);
- put_user_ex(me->sas_ss_sp, &frame->uc.uc_stack.ss_sp);
- put_user_ex(sas_ss_flags(regs->sp),
- &frame->uc.uc_stack.ss_flags);
- put_user_ex(me->sas_ss_size, &frame->uc.uc_stack.ss_size);
+ err |= __save_altstack(&frame->uc.uc_stack, regs->sp);
/* Set up to return from userspace. If provided, use a stub
already in userspace. */
@@ -503,10 +496,7 @@ static int x32_setup_rt_frame(int sig, struct k_sigaction *ka,
else
put_user_ex(0, &frame->uc.uc_flags);
put_user_ex(0, &frame->uc.uc_link);
- put_user_ex(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp);
- put_user_ex(sas_ss_flags(regs->sp),
- &frame->uc.uc_stack.ss_flags);
- put_user_ex(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
+ err |= __compat_save_altstack(&frame->uc.uc_stack, regs->sp);
put_user_ex(0, &frame->uc.uc__pad0);
if (ka->sa.sa_flags & SA_RESTORER) {
@@ -603,13 +593,6 @@ sys_sigaction(int sig, const struct old_sigaction __user *act,
}
#endif /* CONFIG_X86_32 */
-long
-sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
- struct pt_regs *regs)
-{
- return do_sigaltstack(uss, uoss, regs->sp);
-}
-
/*
* Do a signal return; undo the signal stack.
*/
@@ -659,7 +642,7 @@ long sys_rt_sigreturn(struct pt_regs *regs)
if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &ax))
goto badframe;
- if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->sp) == -EFAULT)
+ if (restore_altstack(&frame->uc.uc_stack))
goto badframe;
return ax;
@@ -865,7 +848,6 @@ asmlinkage long sys32_x32_rt_sigreturn(struct pt_regs *regs)
struct rt_sigframe_x32 __user *frame;
sigset_t set;
unsigned long ax;
- struct pt_regs tregs;
frame = (struct rt_sigframe_x32 __user *)(regs->sp - 8);
@@ -879,8 +861,7 @@ asmlinkage long sys32_x32_rt_sigreturn(struct pt_regs *regs)
if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &ax))
goto badframe;
- tregs = *regs;
- if (sys32_sigaltstack(&frame->uc.uc_stack, NULL, &tregs) == -EFAULT)
+ if (compat_restore_altstack(&frame->uc.uc_stack))
goto badframe;
return ax;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 76f54461f7cb..c243b81e3c74 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -120,7 +120,7 @@ struct kvm_shared_msrs {
};
static struct kvm_shared_msrs_global __read_mostly shared_msrs_global;
-static DEFINE_PER_CPU(struct kvm_shared_msrs, shared_msrs);
+static struct kvm_shared_msrs __percpu *shared_msrs;
struct kvm_stats_debugfs_item debugfs_entries[] = {
{ "pf_fixed", VCPU_STAT(pf_fixed) },
@@ -191,10 +191,10 @@ static void kvm_on_user_return(struct user_return_notifier *urn)
static void shared_msr_update(unsigned slot, u32 msr)
{
- struct kvm_shared_msrs *smsr;
u64 value;
+ unsigned int cpu = smp_processor_id();
+ struct kvm_shared_msrs *smsr = per_cpu_ptr(shared_msrs, cpu);
- smsr = &__get_cpu_var(shared_msrs);
/* only read, and nobody should modify it at this time,
* so don't need lock */
if (slot >= shared_msrs_global.nr) {
@@ -226,7 +226,8 @@ static void kvm_shared_msr_cpu_online(void)
void kvm_set_shared_msr(unsigned slot, u64 value, u64 mask)
{
- struct kvm_shared_msrs *smsr = &__get_cpu_var(shared_msrs);
+ unsigned int cpu = smp_processor_id();
+ struct kvm_shared_msrs *smsr = per_cpu_ptr(shared_msrs, cpu);
if (((value ^ smsr->values[slot].curr) & mask) == 0)
return;
@@ -242,7 +243,8 @@ EXPORT_SYMBOL_GPL(kvm_set_shared_msr);
static void drop_user_return_notifiers(void *ignore)
{
- struct kvm_shared_msrs *smsr = &__get_cpu_var(shared_msrs);
+ unsigned int cpu = smp_processor_id();
+ struct kvm_shared_msrs *smsr = per_cpu_ptr(shared_msrs, cpu);
if (smsr->registered)
kvm_on_user_return(&smsr->urn);
@@ -5233,9 +5235,16 @@ int kvm_arch_init(void *opaque)
goto out;
}
+ r = -ENOMEM;
+ shared_msrs = alloc_percpu(struct kvm_shared_msrs);
+ if (!shared_msrs) {
+ printk(KERN_ERR "kvm: failed to allocate percpu kvm_shared_msrs\n");
+ goto out;
+ }
+
r = kvm_mmu_module_init();
if (r)
- goto out;
+ goto out_free_percpu;
kvm_set_mmio_spte_mask();
kvm_init_msr_list();
@@ -5258,6 +5267,8 @@ int kvm_arch_init(void *opaque)
return 0;
+out_free_percpu:
+ free_percpu(shared_msrs);
out:
return r;
}
@@ -5275,6 +5286,7 @@ void kvm_arch_exit(void)
#endif
kvm_x86_ops = NULL;
kvm_mmu_module_exit();
+ free_percpu(shared_msrs);
}
int kvm_emulate_halt(struct kvm_vcpu *vcpu)
diff --git a/arch/x86/lib/delay.c b/arch/x86/lib/delay.c
index e395693abdb1..7c3bee636e2f 100644
--- a/arch/x86/lib/delay.c
+++ b/arch/x86/lib/delay.c
@@ -98,7 +98,7 @@ void use_tsc_delay(void)
delay_fn = delay_tsc;
}
-int __devinit read_current_timer(unsigned long *timer_val)
+int read_current_timer(unsigned long *timer_val)
{
if (delay_fn == delay_tsc) {
rdtscll(*timer_val);
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 0c01261fe5a8..53ea60458e01 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -145,7 +145,7 @@ void __init pci_acpi_crs_quirks(void)
}
#ifdef CONFIG_PCI_MMCONFIG
-static int __devinit check_segment(u16 seg, struct device *dev, char *estr)
+static int check_segment(u16 seg, struct device *dev, char *estr)
{
if (seg) {
dev_err(dev,
@@ -168,9 +168,8 @@ static int __devinit check_segment(u16 seg, struct device *dev, char *estr)
return 0;
}
-static int __devinit setup_mcfg_map(struct pci_root_info *info,
- u16 seg, u8 start, u8 end,
- phys_addr_t addr)
+static int setup_mcfg_map(struct pci_root_info *info, u16 seg, u8 start,
+ u8 end, phys_addr_t addr)
{
int result;
struct device *dev = &info->bridge->dev;
@@ -208,7 +207,7 @@ static void teardown_mcfg_map(struct pci_root_info *info)
}
}
#else
-static int __devinit setup_mcfg_map(struct pci_root_info *info,
+static int setup_mcfg_map(struct pci_root_info *info,
u16 seg, u8 start, u8 end,
phys_addr_t addr)
{
@@ -474,7 +473,7 @@ probe_pci_root_info(struct pci_root_info *info, struct acpi_device *device,
info);
}
-struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root)
+struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
{
struct acpi_device *device = root->device;
struct pci_root_info *info = NULL;
diff --git a/arch/x86/pci/bus_numa.c b/arch/x86/pci/bus_numa.c
index d37e2fec97e5..c2735feb2508 100644
--- a/arch/x86/pci/bus_numa.c
+++ b/arch/x86/pci/bus_numa.c
@@ -93,8 +93,8 @@ struct pci_root_info __init *alloc_pci_root_info(int bus_min, int bus_max,
return info;
}
-void __devinit update_res(struct pci_root_info *info, resource_size_t start,
- resource_size_t end, unsigned long flags, int merge)
+void update_res(struct pci_root_info *info, resource_size_t start,
+ resource_size_t end, unsigned long flags, int merge)
{
struct resource *res;
struct pci_root_res *root_res;
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 1b1dda90a945..ccd0ab3ab899 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -81,14 +81,14 @@ struct pci_ops pci_root_ops = {
*/
DEFINE_RAW_SPINLOCK(pci_config_lock);
-static int __devinit can_skip_ioresource_align(const struct dmi_system_id *d)
+static int can_skip_ioresource_align(const struct dmi_system_id *d)
{
pci_probe |= PCI_CAN_SKIP_ISA_ALIGN;
printk(KERN_INFO "PCI: %s detected, can skip ISA alignment\n", d->ident);
return 0;
}
-static const struct dmi_system_id can_skip_pciprobe_dmi_table[] __devinitconst = {
+static const struct dmi_system_id can_skip_pciprobe_dmi_table[] = {
/*
* Systems where PCI IO resource ISA alignment can be skipped
* when the ISA enable bit in the bridge control is not set
@@ -125,7 +125,7 @@ void __init dmi_check_skip_isa_align(void)
dmi_check_system(can_skip_pciprobe_dmi_table);
}
-static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
+static void pcibios_fixup_device_resources(struct pci_dev *dev)
{
struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE];
struct resource *bar_r;
@@ -162,7 +162,7 @@ static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
* are examined.
*/
-void __devinit pcibios_fixup_bus(struct pci_bus *b)
+void pcibios_fixup_bus(struct pci_bus *b)
{
struct pci_dev *dev;
@@ -176,7 +176,7 @@ void __devinit pcibios_fixup_bus(struct pci_bus *b)
* on the kernel command line (which was parsed earlier).
*/
-static int __devinit set_bf_sort(const struct dmi_system_id *d)
+static int set_bf_sort(const struct dmi_system_id *d)
{
if (pci_bf_sort == pci_bf_sort_default) {
pci_bf_sort = pci_dmi_bf;
@@ -185,7 +185,7 @@ static int __devinit set_bf_sort(const struct dmi_system_id *d)
return 0;
}
-static void __devinit read_dmi_type_b1(const struct dmi_header *dm,
+static void read_dmi_type_b1(const struct dmi_header *dm,
void *private_data)
{
u8 *d = (u8 *)dm + 4;
@@ -207,7 +207,7 @@ static void __devinit read_dmi_type_b1(const struct dmi_header *dm,
}
}
-static int __devinit find_sort_method(const struct dmi_system_id *d)
+static int find_sort_method(const struct dmi_system_id *d)
{
dmi_walk(read_dmi_type_b1, NULL);
@@ -222,7 +222,7 @@ static int __devinit find_sort_method(const struct dmi_system_id *d)
* Enable renumbering of PCI bus# ranges to reach all PCI busses (Cardbus)
*/
#ifdef __i386__
-static int __devinit assign_all_busses(const struct dmi_system_id *d)
+static int assign_all_busses(const struct dmi_system_id *d)
{
pci_probe |= PCI_ASSIGN_ALL_BUSSES;
printk(KERN_INFO "%s detected: enabling PCI bus# renumbering"
@@ -231,7 +231,7 @@ static int __devinit assign_all_busses(const struct dmi_system_id *d)
}
#endif
-static int __devinit set_scan_all(const struct dmi_system_id *d)
+static int set_scan_all(const struct dmi_system_id *d)
{
printk(KERN_INFO "PCI: %s detected, enabling pci=pcie_scan_all\n",
d->ident);
@@ -239,7 +239,7 @@ static int __devinit set_scan_all(const struct dmi_system_id *d)
return 0;
}
-static const struct dmi_system_id __devinitconst pciprobe_dmi_table[] = {
+static const struct dmi_system_id pciprobe_dmi_table[] = {
#ifdef __i386__
/*
* Laptops which need pci=assign-busses to see Cardbus cards
@@ -434,7 +434,8 @@ static const struct dmi_system_id __devinitconst pciprobe_dmi_table[] = {
.callback = set_scan_all,
.ident = "Stratus/NEC ftServer",
.matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "ftServer"),
+ DMI_MATCH(DMI_SYS_VENDOR, "Stratus"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ftServer"),
},
},
{}
@@ -445,7 +446,7 @@ void __init dmi_check_pciprobe(void)
dmi_check_system(pciprobe_dmi_table);
}
-struct pci_bus * __devinit pcibios_scan_root(int busnum)
+struct pci_bus *pcibios_scan_root(int busnum)
{
struct pci_bus *bus = NULL;
@@ -664,7 +665,7 @@ int pci_ext_cfg_avail(void)
return 0;
}
-struct pci_bus * __devinit pci_scan_bus_on_node(int busno, struct pci_ops *ops, int node)
+struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, int node)
{
LIST_HEAD(resources);
struct pci_bus *bus = NULL;
@@ -692,7 +693,7 @@ struct pci_bus * __devinit pci_scan_bus_on_node(int busno, struct pci_ops *ops,
return bus;
}
-struct pci_bus * __devinit pci_scan_bus_with_sysdata(int busno)
+struct pci_bus *pci_scan_bus_with_sysdata(int busno)
{
return pci_scan_bus_on_node(busno, &pci_root_ops, -1);
}
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
index af8a224db216..f5809fa2753e 100644
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@ -9,7 +9,7 @@
#include <linux/vgaarb.h>
#include <asm/pci_x86.h>
-static void __devinit pci_fixup_i450nx(struct pci_dev *d)
+static void pci_fixup_i450nx(struct pci_dev *d)
{
/*
* i450NX -- Find and scan all secondary buses on all PXB's.
@@ -34,7 +34,7 @@ static void __devinit pci_fixup_i450nx(struct pci_dev *d)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82451NX, pci_fixup_i450nx);
-static void __devinit pci_fixup_i450gx(struct pci_dev *d)
+static void pci_fixup_i450gx(struct pci_dev *d)
{
/*
* i450GX and i450KX -- Find and scan all secondary buses.
@@ -48,7 +48,7 @@ static void __devinit pci_fixup_i450gx(struct pci_dev *d)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454GX, pci_fixup_i450gx);
-static void __devinit pci_fixup_umc_ide(struct pci_dev *d)
+static void pci_fixup_umc_ide(struct pci_dev *d)
{
/*
* UM8886BF IDE controller sets region type bits incorrectly,
@@ -62,7 +62,7 @@ static void __devinit pci_fixup_umc_ide(struct pci_dev *d)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF, pci_fixup_umc_ide);
-static void __devinit pci_fixup_ncr53c810(struct pci_dev *d)
+static void pci_fixup_ncr53c810(struct pci_dev *d)
{
/*
* NCR 53C810 returns class code 0 (at least on some systems).
@@ -75,7 +75,7 @@ static void __devinit pci_fixup_ncr53c810(struct pci_dev *d)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_53C810, pci_fixup_ncr53c810);
-static void __devinit pci_fixup_latency(struct pci_dev *d)
+static void pci_fixup_latency(struct pci_dev *d)
{
/*
* SiS 5597 and 5598 chipsets require latency timer set to
@@ -87,7 +87,7 @@ static void __devinit pci_fixup_latency(struct pci_dev *d)
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5597, pci_fixup_latency);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5598, pci_fixup_latency);
-static void __devinit pci_fixup_piix4_acpi(struct pci_dev *d)
+static void pci_fixup_piix4_acpi(struct pci_dev *d)
{
/*
* PIIX4 ACPI device: hardwired IRQ9
@@ -163,7 +163,7 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8367_0, pci_fixup_
* system to PCI bus no matter what are their window settings, so they are
* "transparent" (or subtractive decoding) from programmers point of view.
*/
-static void __devinit pci_fixup_transparent_bridge(struct pci_dev *dev)
+static void pci_fixup_transparent_bridge(struct pci_dev *dev)
{
if ((dev->device & 0xff00) == 0x2400)
dev->transparent = 1;
@@ -317,7 +317,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MCH_PC1, pcie_r
* video device at this point.
*/
-static void __devinit pci_fixup_video(struct pci_dev *pdev)
+static void pci_fixup_video(struct pci_dev *pdev)
{
struct pci_dev *bridge;
struct pci_bus *bus;
@@ -357,7 +357,7 @@ DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_ANY_ID, PCI_ANY_ID,
PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_video);
-static const struct dmi_system_id __devinitconst msi_k8t_dmi_table[] = {
+static const struct dmi_system_id msi_k8t_dmi_table[] = {
{
.ident = "MSI-K8T-Neo2Fir",
.matches = {
@@ -378,7 +378,7 @@ static const struct dmi_system_id __devinitconst msi_k8t_dmi_table[] = {
* The soundcard is only enabled, if the mainborad is identified
* via DMI-tables and the soundcard is detected to be off.
*/
-static void __devinit pci_fixup_msi_k8t_onboard_sound(struct pci_dev *dev)
+static void pci_fixup_msi_k8t_onboard_sound(struct pci_dev *dev)
{
unsigned char val;
if (!dmi_check_system(msi_k8t_dmi_table))
@@ -414,7 +414,7 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237,
*/
static u16 toshiba_line_size;
-static const struct dmi_system_id __devinitconst toshiba_ohci1394_dmi_table[] = {
+static const struct dmi_system_id toshiba_ohci1394_dmi_table[] = {
{
.ident = "Toshiba PS5 based laptop",
.matches = {
@@ -439,7 +439,7 @@ static const struct dmi_system_id __devinitconst toshiba_ohci1394_dmi_table[] =
{ }
};
-static void __devinit pci_pre_fixup_toshiba_ohci1394(struct pci_dev *dev)
+static void pci_pre_fixup_toshiba_ohci1394(struct pci_dev *dev)
{
if (!dmi_check_system(toshiba_ohci1394_dmi_table))
return; /* only applies to certain Toshibas (so far) */
@@ -450,7 +450,7 @@ static void __devinit pci_pre_fixup_toshiba_ohci1394(struct pci_dev *dev)
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TI, 0x8032,
pci_pre_fixup_toshiba_ohci1394);
-static void __devinit pci_post_fixup_toshiba_ohci1394(struct pci_dev *dev)
+static void pci_post_fixup_toshiba_ohci1394(struct pci_dev *dev)
{
if (!dmi_check_system(toshiba_ohci1394_dmi_table))
return; /* only applies to certain Toshibas (so far) */
@@ -488,7 +488,7 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY,
* Siemens Nixdorf AG FSC Multiprocessor Interrupt Controller:
* prevent update of the BAR0, which doesn't look like a normal BAR.
*/
-static void __devinit pci_siemens_interrupt_controller(struct pci_dev *dev)
+static void pci_siemens_interrupt_controller(struct pci_dev *dev)
{
dev->resource[0].flags |= IORESOURCE_PCI_FIXED;
}
@@ -531,7 +531,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATI, 0x4385, sb600_disable_hpet_bar);
*
* Match off the LPC and svid/sdid (older kernels lose the bridge subvendor)
*/
-static void __devinit twinhead_reserve_killing_zone(struct pci_dev *dev)
+static void twinhead_reserve_killing_zone(struct pci_dev *dev)
{
if (dev->subsystem_vendor == 0x14FF && dev->subsystem_device == 0xA003) {
pr_info("Reserving memory on Twinhead H12Y\n");
diff --git a/arch/x86/pci/legacy.c b/arch/x86/pci/legacy.c
index a1df191129d3..4a2ab9cb3659 100644
--- a/arch/x86/pci/legacy.c
+++ b/arch/x86/pci/legacy.c
@@ -10,7 +10,7 @@
* Discover remaining PCI buses in case there are peer host bridges.
* We use the number of last PCI bus provided by the PCI BIOS.
*/
-static void __devinit pcibios_fixup_peer_bridges(void)
+static void pcibios_fixup_peer_bridges(void)
{
int n;
@@ -34,7 +34,7 @@ int __init pci_legacy_init(void)
return 0;
}
-void __devinit pcibios_scan_specific_bus(int busn)
+void pcibios_scan_specific_bus(int busn)
{
int devfn;
long node;
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index 704b9ec043d7..fb29968a7cd5 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -49,7 +49,7 @@ static __init void free_all_mmcfg(void)
pci_mmconfig_remove(cfg);
}
-static __devinit void list_add_sorted(struct pci_mmcfg_region *new)
+static void list_add_sorted(struct pci_mmcfg_region *new)
{
struct pci_mmcfg_region *cfg;
@@ -65,9 +65,8 @@ static __devinit void list_add_sorted(struct pci_mmcfg_region *new)
list_add_tail_rcu(&new->list, &pci_mmcfg_list);
}
-static __devinit struct pci_mmcfg_region *pci_mmconfig_alloc(int segment,
- int start,
- int end, u64 addr)
+static struct pci_mmcfg_region *pci_mmconfig_alloc(int segment, int start,
+ int end, u64 addr)
{
struct pci_mmcfg_region *new;
struct resource *res;
@@ -371,8 +370,7 @@ static int __init pci_mmcfg_check_hostbridge(void)
return !list_empty(&pci_mmcfg_list);
}
-static acpi_status __devinit check_mcfg_resource(struct acpi_resource *res,
- void *data)
+static acpi_status check_mcfg_resource(struct acpi_resource *res, void *data)
{
struct resource *mcfg_res = data;
struct acpi_resource_address64 address;
@@ -408,8 +406,8 @@ static acpi_status __devinit check_mcfg_resource(struct acpi_resource *res,
return AE_OK;
}
-static acpi_status __devinit find_mboard_resource(acpi_handle handle, u32 lvl,
- void *context, void **rv)
+static acpi_status find_mboard_resource(acpi_handle handle, u32 lvl,
+ void *context, void **rv)
{
struct resource *mcfg_res = context;
@@ -422,7 +420,7 @@ static acpi_status __devinit find_mboard_resource(acpi_handle handle, u32 lvl,
return AE_OK;
}
-static int __devinit is_acpi_reserved(u64 start, u64 end, unsigned not_used)
+static int is_acpi_reserved(u64 start, u64 end, unsigned not_used)
{
struct resource mcfg_res;
@@ -693,9 +691,8 @@ static int __init pci_mmcfg_late_insert_resources(void)
late_initcall(pci_mmcfg_late_insert_resources);
/* Add MMCFG information for host bridges */
-int __devinit pci_mmconfig_insert(struct device *dev,
- u16 seg, u8 start, u8 end,
- phys_addr_t addr)
+int pci_mmconfig_insert(struct device *dev, u16 seg, u8 start, u8 end,
+ phys_addr_t addr)
{
int rc;
struct resource *tmp = NULL;
diff --git a/arch/x86/pci/mmconfig_32.c b/arch/x86/pci/mmconfig_32.c
index db63ac23e3d9..5c90975cdf0f 100644
--- a/arch/x86/pci/mmconfig_32.c
+++ b/arch/x86/pci/mmconfig_32.c
@@ -142,7 +142,7 @@ void __init pci_mmcfg_arch_free(void)
{
}
-int __devinit pci_mmcfg_arch_map(struct pci_mmcfg_region *cfg)
+int pci_mmcfg_arch_map(struct pci_mmcfg_region *cfg)
{
return 0;
}
diff --git a/arch/x86/pci/mmconfig_64.c b/arch/x86/pci/mmconfig_64.c
index d4ebd07c306d..bea52496aea6 100644
--- a/arch/x86/pci/mmconfig_64.c
+++ b/arch/x86/pci/mmconfig_64.c
@@ -95,7 +95,7 @@ const struct pci_raw_ops pci_mmcfg = {
.write = pci_mmcfg_write,
};
-static void __iomem * __devinit mcfg_ioremap(struct pci_mmcfg_region *cfg)
+static void __iomem *mcfg_ioremap(struct pci_mmcfg_region *cfg)
{
void __iomem *addr;
u64 start, size;
@@ -133,7 +133,7 @@ void __init pci_mmcfg_arch_free(void)
pci_mmcfg_arch_unmap(cfg);
}
-int __devinit pci_mmcfg_arch_map(struct pci_mmcfg_region *cfg)
+int pci_mmcfg_arch_map(struct pci_mmcfg_region *cfg)
{
cfg->virt = mcfg_ioremap(cfg);
if (!cfg->virt) {
diff --git a/arch/x86/pci/mrst.c b/arch/x86/pci/mrst.c
index e14a2ff708b5..6eb18c42a28a 100644
--- a/arch/x86/pci/mrst.c
+++ b/arch/x86/pci/mrst.c
@@ -247,7 +247,7 @@ int __init pci_mrst_init(void)
/* Langwell devices are not true pci devices, they are not subject to 10 ms
* d3 to d0 delay required by pci spec.
*/
-static void __devinit pci_d3delay_fixup(struct pci_dev *dev)
+static void pci_d3delay_fixup(struct pci_dev *dev)
{
/* PCI fixups are effectively decided compile time. If we have a dual
SoC/non-SoC kernel we don't want to mangle d3 on non SoC devices */
@@ -262,7 +262,7 @@ static void __devinit pci_d3delay_fixup(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, pci_d3delay_fixup);
-static void __devinit mrst_power_off_unused_dev(struct pci_dev *dev)
+static void mrst_power_off_unused_dev(struct pci_dev *dev)
{
pci_set_power_state(dev, PCI_D3hot);
}
@@ -275,7 +275,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0815, mrst_power_off_unused_dev);
/*
* Langwell devices reside at fixed offsets, don't try to move them.
*/
-static void __devinit pci_fixed_bar_fixup(struct pci_dev *dev)
+static void pci_fixed_bar_fixup(struct pci_dev *dev)
{
unsigned long offset;
u32 size;
diff --git a/arch/x86/pci/numaq_32.c b/arch/x86/pci/numaq_32.c
index 83e125b95ca6..b96b14c250b6 100644
--- a/arch/x86/pci/numaq_32.c
+++ b/arch/x86/pci/numaq_32.c
@@ -116,7 +116,7 @@ static const struct pci_raw_ops pci_direct_conf1_mq = {
};
-static void __devinit pci_fixup_i450nx(struct pci_dev *d)
+static void pci_fixup_i450nx(struct pci_dev *d)
{
/*
* i450NX -- Find and scan all secondary buses on all PXB's.
diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c
index da8fe0535ff4..c77b24a8b2da 100644
--- a/arch/x86/pci/pcbios.c
+++ b/arch/x86/pci/pcbios.c
@@ -124,7 +124,7 @@ static struct {
static int pci_bios_present;
-static int __devinit check_pcibios(void)
+static int check_pcibios(void)
{
u32 signature, eax, ebx, ecx;
u8 status, major_ver, minor_ver, hw_mech;
@@ -312,7 +312,7 @@ static const struct pci_raw_ops pci_bios_access = {
* Try to find PCI BIOS.
*/
-static const struct pci_raw_ops * __devinit pci_find_bios(void)
+static const struct pci_raw_ops *pci_find_bios(void)
{
union bios32 *check;
unsigned char sum;
diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index fd41a9262d65..e31bcd8f2eee 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -782,7 +782,7 @@ BLOCKING_NOTIFIER_HEAD(intel_scu_notifier);
EXPORT_SYMBOL_GPL(intel_scu_notifier);
/* Called by IPC driver */
-void __devinit intel_scu_devices_create(void)
+void intel_scu_devices_create(void)
{
int i;
diff --git a/arch/x86/platform/olpc/olpc-xo1-pm.c b/arch/x86/platform/olpc/olpc-xo1-pm.c
index d75582d1aa55..ff0174dda810 100644
--- a/arch/x86/platform/olpc/olpc-xo1-pm.c
+++ b/arch/x86/platform/olpc/olpc-xo1-pm.c
@@ -121,7 +121,7 @@ static const struct platform_suspend_ops xo1_suspend_ops = {
.enter = xo1_power_state_enter,
};
-static int __devinit xo1_pm_probe(struct platform_device *pdev)
+static int xo1_pm_probe(struct platform_device *pdev)
{
struct resource *res;
int err;
@@ -154,7 +154,7 @@ static int __devinit xo1_pm_probe(struct platform_device *pdev)
return 0;
}
-static int __devexit xo1_pm_remove(struct platform_device *pdev)
+static int xo1_pm_remove(struct platform_device *pdev)
{
mfd_cell_disable(pdev);
@@ -173,7 +173,7 @@ static struct platform_driver cs5535_pms_driver = {
.owner = THIS_MODULE,
},
.probe = xo1_pm_probe,
- .remove = __devexit_p(xo1_pm_remove),
+ .remove = xo1_pm_remove,
};
static struct platform_driver cs5535_acpi_driver = {
@@ -182,7 +182,7 @@ static struct platform_driver cs5535_acpi_driver = {
.owner = THIS_MODULE,
},
.probe = xo1_pm_probe,
- .remove = __devexit_p(xo1_pm_remove),
+ .remove = xo1_pm_remove,
};
static int __init xo1_pm_init(void)
diff --git a/arch/x86/platform/olpc/olpc-xo1-sci.c b/arch/x86/platform/olpc/olpc-xo1-sci.c
index 63d4aa40956e..74704be7b1fe 100644
--- a/arch/x86/platform/olpc/olpc-xo1-sci.c
+++ b/arch/x86/platform/olpc/olpc-xo1-sci.c
@@ -309,7 +309,7 @@ static int xo1_sci_resume(struct platform_device *pdev)
return 0;
}
-static int __devinit setup_sci_interrupt(struct platform_device *pdev)
+static int setup_sci_interrupt(struct platform_device *pdev)
{
u32 lo, hi;
u32 sts;
@@ -351,7 +351,7 @@ static int __devinit setup_sci_interrupt(struct platform_device *pdev)
return r;
}
-static int __devinit setup_ec_sci(void)
+static int setup_ec_sci(void)
{
int r;
@@ -395,7 +395,7 @@ static void free_ec_sci(void)
gpio_free(OLPC_GPIO_ECSCI);
}
-static int __devinit setup_lid_events(void)
+static int setup_lid_events(void)
{
int r;
@@ -432,7 +432,7 @@ static void free_lid_events(void)
gpio_free(OLPC_GPIO_LID);
}
-static int __devinit setup_power_button(struct platform_device *pdev)
+static int setup_power_button(struct platform_device *pdev)
{
int r;
@@ -463,7 +463,7 @@ static void free_power_button(void)
input_free_device(power_button_idev);
}
-static int __devinit setup_ebook_switch(struct platform_device *pdev)
+static int setup_ebook_switch(struct platform_device *pdev)
{
int r;
@@ -494,7 +494,7 @@ static void free_ebook_switch(void)
input_free_device(ebook_switch_idev);
}
-static int __devinit setup_lid_switch(struct platform_device *pdev)
+static int setup_lid_switch(struct platform_device *pdev)
{
int r;
@@ -538,7 +538,7 @@ static void free_lid_switch(void)
input_free_device(lid_switch_idev);
}
-static int __devinit xo1_sci_probe(struct platform_device *pdev)
+static int xo1_sci_probe(struct platform_device *pdev)
{
struct resource *res;
int r;
@@ -613,7 +613,7 @@ err_ebook:
return r;
}
-static int __devexit xo1_sci_remove(struct platform_device *pdev)
+static int xo1_sci_remove(struct platform_device *pdev)
{
mfd_cell_disable(pdev);
free_irq(sci_irq, pdev);
@@ -632,7 +632,7 @@ static struct platform_driver xo1_sci_driver = {
.name = "olpc-xo1-sci-acpi",
},
.probe = xo1_sci_probe,
- .remove = __devexit_p(xo1_sci_remove),
+ .remove = xo1_sci_remove,
.suspend = xo1_sci_suspend,
.resume = xo1_sci_resume,
};
diff --git a/arch/x86/platform/scx200/scx200_32.c b/arch/x86/platform/scx200/scx200_32.c
index 7a9ad30d6c9f..3dc9aee41d91 100644
--- a/arch/x86/platform/scx200/scx200_32.c
+++ b/arch/x86/platform/scx200/scx200_32.c
@@ -35,7 +35,7 @@ static struct pci_device_id scx200_tbl[] = {
};
MODULE_DEVICE_TABLE(pci,scx200_tbl);
-static int __devinit scx200_probe(struct pci_dev *, const struct pci_device_id *);
+static int scx200_probe(struct pci_dev *, const struct pci_device_id *);
static struct pci_driver scx200_pci_driver = {
.name = "scx200",
@@ -45,7 +45,7 @@ static struct pci_driver scx200_pci_driver = {
static DEFINE_MUTEX(scx200_gpio_config_lock);
-static void __devinit scx200_init_shadow(void)
+static void scx200_init_shadow(void)
{
int bank;
@@ -54,7 +54,7 @@ static void __devinit scx200_init_shadow(void)
scx200_gpio_shadow[bank] = inl(scx200_gpio_base + 0x10 * bank);
}
-static int __devinit scx200_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+static int scx200_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
unsigned base;
diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl
index 05f404f53f59..28e3fa9056ea 100644
--- a/arch/x86/syscalls/syscall_32.tbl
+++ b/arch/x86/syscalls/syscall_32.tbl
@@ -192,7 +192,7 @@
183 i386 getcwd sys_getcwd
184 i386 capget sys_capget
185 i386 capset sys_capset
-186 i386 sigaltstack ptregs_sigaltstack stub32_sigaltstack
+186 i386 sigaltstack sys_sigaltstack compat_sys_sigaltstack
187 i386 sendfile sys_sendfile sys32_sendfile
188 i386 getpmsg
189 i386 putpmsg
diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl
index 7c58c84b7bc8..dc97328bd90a 100644
--- a/arch/x86/syscalls/syscall_64.tbl
+++ b/arch/x86/syscalls/syscall_64.tbl
@@ -137,7 +137,7 @@
128 64 rt_sigtimedwait sys_rt_sigtimedwait
129 64 rt_sigqueueinfo sys_rt_sigqueueinfo
130 common rt_sigsuspend sys_rt_sigsuspend
-131 64 sigaltstack stub_sigaltstack
+131 64 sigaltstack sys_sigaltstack
132 common utime sys_utime
133 common mknod sys_mknod
134 64 uselib
@@ -338,7 +338,7 @@
522 x32 rt_sigpending sys32_rt_sigpending
523 x32 rt_sigtimedwait compat_sys_rt_sigtimedwait
524 x32 rt_sigqueueinfo sys32_rt_sigqueueinfo
-525 x32 sigaltstack stub_x32_sigaltstack
+525 x32 sigaltstack compat_sys_sigaltstack
526 x32 timer_create compat_sys_timer_create
527 x32 mq_notify compat_sys_mq_notify
528 x32 kexec_load compat_sys_kexec_load
diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig
index 983997041963..53c90fd412d1 100644
--- a/arch/x86/um/Kconfig
+++ b/arch/x86/um/Kconfig
@@ -13,8 +13,7 @@ endmenu
config UML_X86
def_bool y
select GENERIC_FIND_FIRST_BIT
- select GENERIC_KERNEL_THREAD
- select GENERIC_KERNEL_EXECVE
+ select GENERIC_SIGALTSTACK
config 64BIT
bool "64-bit kernel" if SUBARCH = "x86"
diff --git a/arch/x86/um/asm/ptrace.h b/arch/x86/um/asm/ptrace.h
index 755133258c45..54f8102ccde5 100644
--- a/arch/x86/um/asm/ptrace.h
+++ b/arch/x86/um/asm/ptrace.h
@@ -86,4 +86,5 @@ extern long arch_prctl(struct task_struct *task, int code,
unsigned long __user *addr);
#endif
+#define user_stack_pointer(regs) PT_REGS_SP(regs)
#endif /* __UM_X86_PTRACE_H */
diff --git a/arch/x86/um/signal.c b/arch/x86/um/signal.c
index bdaa08cfbcf4..71cef48ea5cd 100644
--- a/arch/x86/um/signal.c
+++ b/arch/x86/um/signal.c
@@ -342,9 +342,7 @@ static int copy_ucontext_to_user(struct ucontext __user *uc,
{
int err = 0;
- err |= put_user(current->sas_ss_sp, &uc->uc_stack.ss_sp);
- err |= put_user(sas_ss_flags(sp), &uc->uc_stack.ss_flags);
- err |= put_user(current->sas_ss_size, &uc->uc_stack.ss_size);
+ err |= __save_altstack(&uc->uc_stack, sp);
err |= copy_sc_to_user(&uc->uc_mcontext, fp, &current->thread.regs, 0);
err |= copy_to_user(&uc->uc_sigmask, set, sizeof(*set));
return err;
@@ -529,10 +527,7 @@ int setup_signal_stack_si(unsigned long stack_top, int sig,
/* Create the ucontext. */
err |= __put_user(0, &frame->uc.uc_flags);
err |= __put_user(0, &frame->uc.uc_link);
- err |= __put_user(me->sas_ss_sp, &frame->uc.uc_stack.ss_sp);
- err |= __put_user(sas_ss_flags(PT_REGS_SP(regs)),
- &frame->uc.uc_stack.ss_flags);
- err |= __put_user(me->sas_ss_size, &frame->uc.uc_stack.ss_size);
+ err |= __save_altstack(&frame->uc.uc_stack, PT_REGS_SP(regs));
err |= copy_sc_to_user(&frame->uc.uc_mcontext, &frame->fpstate, regs,
set->sig[0]);
err |= __put_user(&frame->fpstate, &frame->uc.uc_mcontext.fpstate);
diff --git a/arch/x86/um/sys_call_table_32.c b/arch/x86/um/sys_call_table_32.c
index 812e98c098e4..a0c3b0d1a122 100644
--- a/arch/x86/um/sys_call_table_32.c
+++ b/arch/x86/um/sys_call_table_32.c
@@ -27,7 +27,6 @@
#define ptregs_iopl sys_iopl
#define ptregs_vm86old sys_vm86old
#define ptregs_vm86 sys_vm86
-#define ptregs_sigaltstack sys_sigaltstack
#define __SYSCALL_I386(nr, sym, compat) extern asmlinkage void sym(void) ;
#include <asm/syscalls_32.h>
diff --git a/arch/x86/um/sys_call_table_64.c b/arch/x86/um/sys_call_table_64.c
index 170bd926a69c..f2f0723070ca 100644
--- a/arch/x86/um/sys_call_table_64.c
+++ b/arch/x86/um/sys_call_table_64.c
@@ -31,7 +31,6 @@
#define stub_fork sys_fork
#define stub_vfork sys_vfork
#define stub_execve sys_execve
-#define stub_sigaltstack sys_sigaltstack
#define stub_rt_sigreturn sys_rt_sigreturn
#define __SYSCALL_COMMON(nr, sym, compat) __SYSCALL_64(nr, sym, compat)
OpenPOWER on IntegriCloud