diff options
Diffstat (limited to 'arch/x86/kvm/cpuid.h')
| -rw-r--r-- | arch/x86/kvm/cpuid.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h index fd29b646916a..e3dc0f02ad5c 100644 --- a/arch/x86/kvm/cpuid.h +++ b/arch/x86/kvm/cpuid.h @@ -282,6 +282,19 @@ static __always_inline void kvm_cpu_cap_set(unsigned int x86_feature) kvm_cpu_caps[x86_leaf] |= __feature_bit(x86_feature); } +static __always_inline u32 kvm_cpu_cap_get(unsigned int x86_feature) +{ + unsigned int x86_leaf = x86_feature / 32; + + reverse_cpuid_check(x86_leaf); + return kvm_cpu_caps[x86_leaf] & __feature_bit(x86_feature); +} + +static __always_inline bool kvm_cpu_cap_has(unsigned int x86_feature) +{ + return !!kvm_cpu_cap_get(x86_feature); +} + static __always_inline void kvm_cpu_cap_check_and_set(unsigned int x86_feature) { if (boot_cpu_has(x86_feature)) |