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| author | Krish Sadhukhan <krish.sadhukhan@oracle.com> | 2020-07-08 00:39:55 +0000 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-07-08 16:21:58 -0400 |
| commit | b899c13277a918d268055ade3e4fd8289314ee84 (patch) | |
| tree | bf2ea9559cd9ef0b37d78a20cc61290b406a1e59 /arch/x86/kvm/cpuid.c | |
| parent | d42e3fae6faedacb2a7b4c984417ed0d9f540401 (diff) | |
| download | lwn-b899c13277a918d268055ade3e4fd8289314ee84.tar.gz lwn-b899c13277a918d268055ade3e4fd8289314ee84.zip | |
KVM: x86: Create mask for guest CR4 reserved bits in kvm_update_cpuid()
Instead of creating the mask for guest CR4 reserved bits in kvm_valid_cr4(),
do it in kvm_update_cpuid() so that it can be reused instead of creating it
each time kvm_valid_cr4() is called.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
Message-Id: <1594168797-29444-2-git-send-email-krish.sadhukhan@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/cpuid.c')
| -rw-r--r-- | arch/x86/kvm/cpuid.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 8a294f9747aa..5bec182aa648 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -128,6 +128,8 @@ int kvm_update_cpuid(struct kvm_vcpu *vcpu) kvm_mmu_reset_context(vcpu); kvm_pmu_refresh(vcpu); + vcpu->arch.cr4_guest_rsvd_bits = + __cr4_reserved_bits(guest_cpuid_has, vcpu); return 0; } |