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Merge branches 'x86/acpi', 'x86/apic', 'x86/cpudetect', 'x86/headers', 'x86/paravirt', 'x86/urgent' and 'x86/xen'; commit 'v2.6.29-rc5' into x86/core

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This commit is contained in:
Ingo Molnar
2009-02-17 12:07:00 +01:00
parent 970ec1a821 98c061b6cf f6db44df5b 22796b1572 694aa96060 be716615fe c99608637e
commit 494df596f9
587 changed files with 26823 additions and 21357 deletions
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23
arch/x86/kernel/traps.c
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@@ -54,12 +54,11 @@
#include <asm/desc.h>
#include <asm/i387.h>
#include <mach_traps.h>
#include <asm/mach_traps.h>
#ifdef CONFIG_X86_64
#include <asm/pgalloc.h>
#include <asm/proto.h>
#include <asm/pda.h>
#else
#include <asm/processor-flags.h>
#include <asm/arch_hooks.h>
@@ -99,6 +98,12 @@ static inline void preempt_conditional_sti(struct pt_regs *regs)
local_irq_enable();
}
static inline void conditional_cli(struct pt_regs *regs)
{
if (regs->flags & X86_EFLAGS_IF)
local_irq_disable();
}
static inline void preempt_conditional_cli(struct pt_regs *regs)
{
if (regs->flags & X86_EFLAGS_IF)
@@ -626,8 +631,10 @@ clear_dr7:
#ifdef CONFIG_X86_32
debug_vm86:
/* reenable preemption: handle_vm86_trap() might sleep */
dec_preempt_count();
handle_vm86_trap((struct kernel_vm86_regs *) regs, error_code, 1);
preempt_conditional_cli(regs);
conditional_cli(regs);
return;
#endif
@@ -896,7 +903,7 @@ asmlinkage void math_state_restore(void)
EXPORT_SYMBOL_GPL(math_state_restore);
#ifndef CONFIG_MATH_EMULATION
asmlinkage void math_emulate(long arg)
void math_emulate(struct math_emu_info *info)
{
printk(KERN_EMERG
"math-emulation not enabled and no coprocessor found.\n");
@@ -907,12 +914,16 @@ asmlinkage void math_emulate(long arg)
#endif /* CONFIG_MATH_EMULATION */
dotraplinkage void __kprobes
do_device_not_available(struct pt_regs *regs, long error)
do_device_not_available(struct pt_regs *regs, long error_code)
{
#ifdef CONFIG_X86_32
if (read_cr0() & X86_CR0_EM) {
struct math_emu_info info = { };
conditional_sti(regs);
math_emulate(0);
info.regs = regs;
math_emulate(&info);
} else {
math_state_restore(); /* interrupts still off */
conditional_sti(regs);