diff options
| author | Robert Richter <robert.richter@amd.com> | 2009-04-29 12:46:58 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-29 14:51:00 +0200 |
| commit | da1a776be1ac7f78bb30ececbec4c1383163b079 (patch) | |
| tree | 5b7c38811d175ff53f769a537a80fe111fabfd25 /arch/x86/kernel/cpu/amd.c | |
| parent | e7fd5d4b3d240f42c30a9e3d20a4689c4d3a795a (diff) | |
perf_counter, x86: remove X86_FEATURE_ARCH_PERFMON flag for AMD cpus
X86_FEATURE_ARCH_PERFMON is an Intel hardware feature that does not
work on AMD CPUs. The flag is now only used in Intel specific code
(especially initialization).
[ Impact: refactor code ]
Signed-off-by: Robert Richter <robert.richter@amd.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1241002046-8832-2-git-send-email-robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/cpu/amd.c')
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index fd69c514ca2..7e4a459daa6 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -420,10 +420,6 @@ 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: |