diff options
Diffstat (limited to 'src/cpu/intel/hyperthreading/intel_sibling.c')
| -rw-r--r-- | src/cpu/intel/hyperthreading/intel_sibling.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/cpu/intel/hyperthreading/intel_sibling.c b/src/cpu/intel/hyperthreading/intel_sibling.c index b9a9ae7bb1..f30ea45da5 100644 --- a/src/cpu/intel/hyperthreading/intel_sibling.c +++ b/src/cpu/intel/hyperthreading/intel_sibling.c @@ -28,8 +28,11 @@ int intel_ht_sibling(void) apic_ids = 1; core_ids = 1; - if (cpuid_eax(0) >= 4) - core_ids += (cpuid_eax(4) >> 26) & 0x3f; + if (cpuid_eax(0) >= 4) { + struct cpuid_result result; + result = cpuid_ext(4, 0); + core_ids += (result.eax >> 26) & 0x3f; + } threads = (apic_ids / core_ids); return !!(lapicid() & (threads-1)); |