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authorMichal Schmidt <mschmidt@redhat.com>2010-07-27 20:53:35 +0400
committerH. Peter Anvin <hpa@zytor.com>2010-08-02 19:45:56 +0400
commite8c534ec068af1a0845aceda373a9bfd2de62030 (patch)
tree7ee35fd4b0103c04465c1cc5406f036fc07df53e /drivers/acpi
parent9792db6174d9927700ed288e6d74b9391bf785d1 (diff)
downloadlinux-e8c534ec068af1a0845aceda373a9bfd2de62030.tar.xz
x86: Fix keeping track of AMD C1E
Accomodate the original C1E-aware idle routine to the different times during boot when the BIOS enables C1E. While at it, remove the synthetic CPUID flag in favor of a single global setting which denotes C1E status on the system. [ hpa: changed c1e_enabled to be a bool; clarified cpu bit 3:21 comment ] Signed-off-by: Michal Schmidt <mschmidt@redhat.com> LKML-Reference: <20100727165335.GA11630@aftab> Signed-off-by: Borislav Petkov <borislav.petkov@amd.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Acked-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/processor_idle.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index e9a8026d39f0..eead3f581fb5 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -164,7 +164,7 @@ static void lapic_timer_check_state(int state, struct acpi_processor *pr,
if (cpu_has(&cpu_data(pr->id), X86_FEATURE_ARAT))
return;
- if (boot_cpu_has(X86_FEATURE_AMDC1E))
+ if (c1e_detected)
type = ACPI_STATE_C1;
/*