diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-02-13 09:44:22 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-02-13 09:44:22 +0100 |
commit | f8a6b2b9cee298a9663cbe38ce1eb5240987cb62 (patch) | |
tree | b356490269c9e77d164dcc1477792b882fbb8bdb /arch/x86/kernel/process.c | |
parent | ba1511bf7fbda452138e4096bf10d5a382710f4f (diff) | |
parent | 071a0bc2ceace31266836801510879407a3701fa (diff) |
Merge branch 'linus' into x86/apic
Conflicts:
arch/x86/kernel/acpi/boot.c
arch/x86/mm/fault.c
Diffstat (limited to 'arch/x86/kernel/process.c')
-rw-r--r-- | arch/x86/kernel/process.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 89537f678b2..87b69d4fac1 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -180,6 +180,9 @@ void mwait_idle_with_hints(unsigned long ax, unsigned long cx) trace_power_start(&it, POWER_CSTATE, (ax>>4)+1); if (!need_resched()) { + if (cpu_has(¤t_cpu_data, X86_FEATURE_CLFLUSH_MONITOR)) + clflush((void *)¤t_thread_info()->flags); + __monitor((void *)¤t_thread_info()->flags, 0, 0); smp_mb(); if (!need_resched()) @@ -194,6 +197,9 @@ static void mwait_idle(void) struct power_trace it; if (!need_resched()) { trace_power_start(&it, POWER_CSTATE, 1); + if (cpu_has(¤t_cpu_data, X86_FEATURE_CLFLUSH_MONITOR)) + clflush((void *)¤t_thread_info()->flags); + __monitor((void *)¤t_thread_info()->flags, 0, 0); smp_mb(); if (!need_resched()) |