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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>
Radim Krčmář 8 年之前
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c6bd18011f
共有 1 個文件被更改,包括 1 次插入13 次删除
  1. 1 13
      arch/x86/kvm/cpuid.h

+ 1 - 13
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));
 	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)
 static inline bool guest_cpuid_has_nrips(struct kvm_vcpu *vcpu)
 {
 {
 	struct kvm_cpuid_entry2 *best;
 	struct kvm_cpuid_entry2 *best;
 
 
 	best = kvm_find_cpuid_entry(vcpu, 0x8000000a, 0);
 	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)
 static inline int guest_cpuid_family(struct kvm_vcpu *vcpu)
 {
 {