aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/x86/kernel/cpu/addon_cpuid_features.c8
-rw-r--r--arch/x86/kernel/cpu/intel.c6
2 files changed, 8 insertions, 6 deletions
diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c
index ead2a1cfa570..fd1fc1902a47 100644
--- a/arch/x86/kernel/cpu/addon_cpuid_features.c
+++ b/arch/x86/kernel/cpu/addon_cpuid_features.c
@@ -54,6 +54,14 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
54 if (regs[cb->reg] & (1 << cb->bit)) 54 if (regs[cb->reg] & (1 << cb->bit))
55 set_cpu_cap(c, cb->feature); 55 set_cpu_cap(c, cb->feature);
56 } 56 }
57
58 /*
59 * common AMD/Intel features
60 */
61 if (c->cpuid_level >= 6) {
62 if (cpuid_ecx(6) & 0x1)
63 set_cpu_cap(c, X86_FEATURE_APERFMPERF);
64 }
57} 65}
58 66
59/* leaf 0xb SMT level */ 67/* leaf 0xb SMT level */
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 7e1cca13af35..3830258a5f53 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -352,12 +352,6 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
352 set_cpu_cap(c, X86_FEATURE_ARCH_PERFMON); 352 set_cpu_cap(c, X86_FEATURE_ARCH_PERFMON);
353 } 353 }
354 354
355 if (c->cpuid_level > 6) {
356 unsigned ecx = cpuid_ecx(6);
357 if (ecx & 0x01)
358 set_cpu_cap(c, X86_FEATURE_APERFMPERF);
359 }
360
361 if (cpu_has_xmm2) 355 if (cpu_has_xmm2)
362 set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC); 356 set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC);
363 if (cpu_has_ds) { 357 if (cpu_has_ds) {