diff options
Diffstat (limited to 'arch/i386')
| -rw-r--r-- | arch/i386/kernel/cpu/intel.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/i386/kernel/cpu/intel.c b/arch/i386/kernel/cpu/intel.c index 3ae795e9056d..56fe26584957 100644 --- a/arch/i386/kernel/cpu/intel.c +++ b/arch/i386/kernel/cpu/intel.c @@ -199,6 +199,8 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c) if (cpu_has_ds) { unsigned int l1; rdmsr(MSR_IA32_MISC_ENABLE, l1, l2); + if (!(l1 & (1<<11))) + set_bit(X86_FEATURE_BTS, c->x86_capability); if (!(l1 & (1<<12))) set_bit(X86_FEATURE_PEBS, c->x86_capability); } |
