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| author | Radim Krčmář <rkrcmar@redhat.com> | 2017-08-05 00:12:48 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-08-07 16:09:38 +0200 |
| commit | c6bd18011ff8ea23473a1f4c6d934f761879081d (patch) | |
| tree | fdc0c38db8994b507da27cc40f43feb810e2a07b /arch/x86/kvm/cpuid.h | |
| parent | KVM: nVMX: Emulate EPTP switching for the L1 hypervisor (diff) | |
| download | linux-c6bd18011ff8ea23473a1f4c6d934f761879081d.tar.xz linux-c6bd18011ff8ea23473a1f4c6d934f761879081d.zip | |
KVM: x86: X86_FEATURE_NRIPS is not scattered anymore
bit(X86_FEATURE_NRIPS) is 3 since 2ccd71f1b278 ("x86/cpufeature: Move
some of the scattered feature bits to x86_capability"), so we can
simplify the code.
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/cpuid.h')
| -rw-r--r-- | arch/x86/kvm/cpuid.h | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h index da6728383052..c723d64657d0 100644 --- a/arch/x86/kvm/cpuid.h +++ b/arch/x86/kvm/cpuid.h @@ -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) { |