提交 c6bd1801 编写于 作者: R Radim Krčmář 提交者: Paolo Bonzini

KVM: x86: X86_FEATURE_NRIPS is not scattered anymore

bit(X86_FEATURE_NRIPS) is 3 since 2ccd71f1 ("x86/cpufeature: Move
some of the scattered feature bits to x86_capability"), so we can
simplify the code.
Signed-off-by: NRadim Krčmář <rkrcmar@redhat.com>
Reviewed-by: NDavid Hildenbrand <david@redhat.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
上级 41ab9372
......@@ -160,25 +160,13 @@ static inline bool guest_cpuid_has_rdtscp(struct kvm_vcpu *vcpu)
return best && (best->edx & bit(X86_FEATURE_RDTSCP));
}
/*
* NRIPS is provided through cpuidfn 0x8000000a.edx bit 3
*/
#define BIT_NRIPS 3
static inline bool guest_cpuid_has_nrips(struct kvm_vcpu *vcpu)
{
struct kvm_cpuid_entry2 *best;
best = kvm_find_cpuid_entry(vcpu, 0x8000000a, 0);
/*
* NRIPS is a scattered cpuid feature, so we can't use
* X86_FEATURE_NRIPS here (X86_FEATURE_NRIPS would be bit
* position 8, not 3).
*/
return best && (best->edx & bit(BIT_NRIPS));
return best && (best->edx & bit(X86_FEATURE_NRIPS));
}
#undef BIT_NRIPS
static inline int guest_cpuid_family(struct kvm_vcpu *vcpu)
{
......
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