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| author | Paul Mundt <lethal@linux-sh.org> | 2009-02-12 17:27:56 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-02-12 17:27:56 +0900 |
| commit | 41480ae7a383dcffa497decdd97b3cb2caaa18ec (patch) | |
| tree | f1e3afce2cbd0bbc544cd86a73e5b3093eb081c4 /arch/x86/kernel/process.c | |
| parent | 508eb2ce222053e51e2243b7add8eeac85b1d250 (diff) | |
| parent | 34aeb43e2d3800f4d8f96feb9f1b49cd506679d5 (diff) | |
| download | kernel-crypto-41480ae7a383dcffa497decdd97b3cb2caaa18ec.tar.gz kernel-crypto-41480ae7a383dcffa497decdd97b3cb2caaa18ec.tar.xz kernel-crypto-41480ae7a383dcffa497decdd97b3cb2caaa18ec.zip | |
Merge branch 'sh/stable-updates'
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 e68bb9e3086..6d12f7e37f8 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()) |