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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 20:54:53 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 21:01:40 +0100 |
| commit | ae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (patch) | |
| tree | 3c2086ab67398a019089a47ca3f362a4bc6db74f /arch/x86/kernel/cpu/intel.c | |
| parent | 34e84f39a27d059a3e6ec6e8b94aafa702e6f220 (diff) | |
| parent | 9173a8ef24a6b1b8031507b35b8ffe5f85a87692 (diff) | |
Merge branch 'master' into for-linus
Diffstat (limited to 'arch/x86/kernel/cpu/intel.c')
| -rw-r--r-- | arch/x86/kernel/cpu/intel.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index 80a722a071b..40e1835b35e 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -350,6 +350,12 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c) set_cpu_cap(c, X86_FEATURE_ARCH_PERFMON); } + if (c->cpuid_level > 6) { + unsigned ecx = cpuid_ecx(6); + if (ecx & 0x01) + set_cpu_cap(c, X86_FEATURE_APERFMPERF); + } + if (cpu_has_xmm2) set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC); if (cpu_has_ds) { |