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authorIngo Molnar <mingo@elte.hu>2011-06-04 12:13:06 +0200
committerIngo Molnar <mingo@elte.hu>2011-06-04 12:13:06 +0200
commit710054ba25c0d1f8f41c22ce13ba336503fb5318 (patch)
treef9b09b722bf511841539173d946f90a20fc2e59a /arch/x86/kernel/cpu/amd.c
parent74c355fbdfedd3820046dba4f537876cea54c207 (diff)
parentb273fa9716aa1564bee88ceee62f9042981cdc81 (diff)
downloadop-kernel-dev-710054ba25c0d1f8f41c22ce13ba336503fb5318.zip
op-kernel-dev-710054ba25c0d1f8f41c22ce13ba336503fb5318.tar.gz
Merge branch 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Diffstat (limited to 'arch/x86/kernel/cpu/amd.c')
-rw-r--r--arch/x86/kernel/cpu/amd.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 8f5cabb3..b13ed39 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -612,8 +612,11 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
}
#endif
- /* As a rule processors have APIC timer running in deep C states */
- if (c->x86 > 0xf && !cpu_has_amd_erratum(amd_erratum_400))
+ /*
+ * Family 0x12 and above processors have APIC timer
+ * running in deep C states.
+ */
+ if (c->x86 > 0x11)
set_cpu_cap(c, X86_FEATURE_ARAT);
/*
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