[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:
parent
226d780909
commit
76b461c214
|
@ -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);
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue