KVM: nSVM: leave guest mode when clearing EFER.SVME

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According to the AMD manual, the effect of turning off EFER.SVME while a
guest is running is undefined.  We make it leave guest mode immediately,
similar to the effect of clearing the VMX bit in MSR_IA32_FEAT_CTL.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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This commit is contained in:

Paolo Bonzini 2020-05-18 13:08:37 -04:00

parent ca46d739e3

commit c513f484c5

3 changed files with 25 additions and 2 deletions

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16

arch/x86/kvm/svm/nested.c

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10

arch/x86/kvm/svm/svm.c

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1

arch/x86/kvm/svm/svm.h

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