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| author |   Ingo Molnar <mingo@elte.hu> | 2009-05-11 14:44:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-05-11 14:44:31 +0200 |
| commit | 41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51 (patch) | |
| tree | 51c50bcb67a5039448ddfa1869d7948cab1217e9 /arch/x86/kernel/apic/apic.c | |
| parent | x86 gart: reimplement IOMMU_LEAK feature by using DMA_API_DEBUG (diff) | |
| parent | Linux 2.6.30-rc5 (diff) | |
| download | wireguard-linux-41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51.tar.xz wireguard-linux-41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51.zip | |
Merge commit 'v2.6.30-rc5' into core/iommu
Merge reason: core/iommu was on an .30-rc1 base,
update it to .30-rc5 to refresh.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/apic/apic.c')
| -rw-r--r-- | arch/x86/kernel/apic/apic.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 098ec84b8c00..f2870920f246 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -431,6 +431,12 @@ static void __cpuinit setup_APIC_timer(void) { struct clock_event_device *levt = &__get_cpu_var(lapic_events); + if (cpu_has(¤t_cpu_data, X86_FEATURE_ARAT)) { + lapic_clockevent.features &= ~CLOCK_EVT_FEAT_C3STOP; + /* Make LAPIC timer preferrable over percpu HPET */ + lapic_clockevent.rating = 150; + } + memcpy(levt, &lapic_clockevent, sizeof(*levt)); levt->cpumask = cpumask_of(smp_processor_id()); |