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Diffstat (limited to 'arch/x86/kernel/cpu/amd.c')
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 7e4a459daa6..fd69c514ca2 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -420,6 +420,10 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) if (c->x86 >= 6) set_cpu_cap(c, X86_FEATURE_FXSAVE_LEAK); + /* Enable Performance counter for K7 and later */ + if (c->x86 > 6 && c->x86 <= 0x11) + set_cpu_cap(c, X86_FEATURE_ARCH_PERFMON); + if (!c->x86_model_id[0]) { switch (c->x86) { case 0xf: |