diff options
| -rw-r--r-- | arch/x86/kernel/cpu/intel.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index da2401a4b0f4..a4c4ff9b27e4 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -79,8 +79,15 @@ static void probe_xeon_phi_r3mwait(struct cpuinfo_x86 *c) * Ring 3 MONITOR/MWAIT feature cannot be detected without * cpu model and family comparison. */ - if (c->x86 != 6 || c->x86_model != INTEL_FAM6_XEON_PHI_KNL) + if (c->x86 != 6) return; + switch (c->x86_model) { + case INTEL_FAM6_XEON_PHI_KNL: + case INTEL_FAM6_XEON_PHI_KNM: + break; + default: + return; + } if (ring3mwait_disabled) { msr_clear_bit(MSR_MISC_FEATURE_ENABLES, |