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| author | Paolo Bonzini <pbonzini@redhat.com> | 2020-05-18 19:08:37 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-06-01 10:26:03 +0200 |
| commit | c513f484c5582a8efadf3d72298e2285b041536e (patch) | |
| tree | b8450accf8e427bb6e7ceaa9c4711bae0bc2d6c9 /arch/x86/kvm/svm/svm.h | |
| parent | KVM: nSVM: split nested_vmcb_check_controls (diff) | |
| download | linux-c513f484c5582a8efadf3d72298e2285b041536e.tar.xz linux-c513f484c5582a8efadf3d72298e2285b041536e.zip | |
KVM: nSVM: leave guest mode when clearing EFER.SVME
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>
Diffstat (limited to 'arch/x86/kvm/svm/svm.h')
| -rw-r--r-- | arch/x86/kvm/svm/svm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index be8e830f83fa..6ac4c00a5d82 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -389,6 +389,7 @@ static inline bool nested_exit_on_nmi(struct vcpu_svm *svm) void enter_svm_guest_mode(struct vcpu_svm *svm, u64 vmcb_gpa, struct vmcb *nested_vmcb); +void svm_leave_nested(struct vcpu_svm *svm); int nested_svm_vmrun(struct vcpu_svm *svm); void nested_svm_vmloadsave(struct vmcb *from_vmcb, struct vmcb *to_vmcb); int nested_svm_vmexit(struct vcpu_svm *svm); |