KVM: SVM: Inject #GP on guest MSR_TSC_AUX accesses if RDTSCP unsupported

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Inject #GP on guest accesses to MSR_TSC_AUX if RDTSCP is unsupported in
the guest's CPUID model.

Fixes: 46896c73c1 ("KVM: svm: add support for RDTSCP")
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210423223404.3860547-2-seanjc@google.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Sean Christopherson 2021-04-23 15:34:01 -07:00 • committed by Paolo Bonzini

parent e23f6d490e

commit 6f2b296aa6

1 changed files with 7 additions and 0 deletions

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arch/x86/kvm/svm/svm.c

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