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[PATCH] x86_64: Only switch to IPI broadcast timer on Intel when C3 is supported

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Bug in apic timer removal on C3 patch. We should switch to IPI from APIC timer
only when C3 state is valid.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Venkatesh Pallipadi 2006-02-03 21:50:47 +01:00 committed by Linus Torvalds
parent 226d780909
commit 76b461c214
1 changed files with 1 additions and 1 deletions
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2
drivers/acpi/processor_idle.c
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@ -899,7 +899,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
case ACPI_STATE_C3:
acpi_processor_power_verify_c3(pr, cx);
#ifdef ARCH_APICTIMER_STOPS_ON_C3
if (c->x86_vendor == X86_VENDOR_INTEL) {
if (cx->valid && c->x86_vendor == X86_VENDOR_INTEL) {
on_each_cpu(switch_APIC_timer_to_ipi,
&mask, 1, 1);
}