diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index f0b06b14e782..16249b0953ff 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -1061,7 +1061,7 @@ static const struct idle_cpu idle_cpu_dnv = { }; #define ICPU(model, cpu) \ - { X86_VENDOR_INTEL, 6, model, X86_FEATURE_MWAIT, (unsigned long)&cpu } + { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, (unsigned long)&cpu } static const struct x86_cpu_id intel_idle_ids[] __initconst = { ICPU(INTEL_FAM6_NEHALEM_EP, idle_cpu_nehalem), @@ -1125,6 +1125,11 @@ static int __init intel_idle_probe(void) return -ENODEV; } + if (!boot_cpu_has(X86_FEATURE_MWAIT)) { + pr_debug("Please enable MWAIT in BIOS SETUP\n"); + return -ENODEV; + } + if (boot_cpu_data.cpuid_level < CPUID_MWAIT_LEAF) return -ENODEV;