diff options
| -rw-r--r-- | arch/x86/kvm/cpuid.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 6b5912578edd..ff2e9734e5c1 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -65,7 +65,13 @@ u32 xstate_required_size(u64 xstate_bv, bool compacted) #define KVM_X86_FEATURE_AMD_PSFD (13*32+28) /* Predictive Store Forwarding Disable */ #define F feature_bit -#define SF(name) (boot_cpu_has(X86_FEATURE_##name) ? F(name) : 0) + +/* Scattered Flag - For features that are scattered by cpufeatures.h. */ +#define SF(name) \ +({ \ + BUILD_BUG_ON(X86_FEATURE_##name >= MAX_CPU_FEATURES); \ + (boot_cpu_has(X86_FEATURE_##name) ? F(name) : 0); \ +}) /* * Magic value used by KVM when querying userspace-provided CPUID entries and |