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| author | Like Xu <like.xu@linux.intel.com> | 2022-04-11 13:19:45 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-06-08 11:48:19 +0300 |
| commit | 59cc99f6e971bb24b40e27f695daab98e2eff4b8 (patch) | |
| tree | 4869914fd5728a6575077a5abaa5b2709b0dc69c /arch/x86/kvm/cpuid.h | |
| parent | 968635abd5f5986f3cb6f15602d365cf1b551c5d (diff) | |
| download | linux-59cc99f6e971bb24b40e27f695daab98e2eff4b8.tar.xz | |
KVM: x86/cpuid: Refactor host/guest CPU model consistency check
For the same purpose, the leagcy intel_pmu_lbr_is_compatible() can be
renamed for reuse by more callers, and remove the comment about LBR
use case can be deleted by the way.
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Message-Id: <20220411101946.20262-17-likexu@tencent.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 | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h index 8a770b481d9d..ac72aabba981 100644 --- a/arch/x86/kvm/cpuid.h +++ b/arch/x86/kvm/cpuid.h @@ -145,6 +145,11 @@ static inline int guest_cpuid_model(struct kvm_vcpu *vcpu) return x86_model(best->eax); } +static inline bool cpuid_model_is_consistent(struct kvm_vcpu *vcpu) +{ + return boot_cpu_data.x86_model == guest_cpuid_model(vcpu); +} + static inline int guest_cpuid_stepping(struct kvm_vcpu *vcpu) { struct kvm_cpuid_entry2 *best; |