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

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
View File

@ -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);
}