diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-02-17 17:20:11 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-17 17:20:11 +0100 |
| commit | 0b6de0092244c98b5ba1abda34c92470a20e0d0c (patch) | |
| tree | 478e4e18c33fd9fa517559e1ce951fe378d5965f /arch/x86/kernel/traps.c | |
| parent | 37a25424252b6cff4dd4b1937ab6a1dbfcadabcc (diff) | |
| parent | f62bae5009c1ba596cd475cafbc83e0570a36e26 (diff) | |
Merge branch 'x86/apic' into perfcounters/core
Conflicts:
arch/x86/kernel/cpu/perfctr-watchdog.c
Diffstat (limited to 'arch/x86/kernel/traps.c')
| -rw-r--r-- | arch/x86/kernel/traps.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 6cba7abf3518..c85a86cb7fb1 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -98,6 +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) @@ -625,8 +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 |