diff options
Diffstat (limited to 'arch/x86_64')
-rw-r--r-- | arch/x86_64/kernel/setup.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index 619af2e2fa26..a570c81c8316 100644 --- a/arch/x86_64/kernel/setup.c +++ b/arch/x86_64/kernel/setup.c | |||
@@ -838,6 +838,8 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c) | |||
838 | if (cpu_has_ds) { | 838 | if (cpu_has_ds) { |
839 | unsigned int l1, l2; | 839 | unsigned int l1, l2; |
840 | rdmsr(MSR_IA32_MISC_ENABLE, l1, l2); | 840 | rdmsr(MSR_IA32_MISC_ENABLE, l1, l2); |
841 | if (!(l1 & (1<<11))) | ||
842 | set_bit(X86_FEATURE_BTS, c->x86_capability); | ||
841 | if (!(l1 & (1<<12))) | 843 | if (!(l1 & (1<<12))) |
842 | set_bit(X86_FEATURE_PEBS, c->x86_capability); | 844 | set_bit(X86_FEATURE_PEBS, c->x86_capability); |
843 | } | 845 | } |