Messages in this thread Patch in this message | | | From | Maxim Levitsky <> | Subject | [PATCH v2 1/2] KVM: nSVM: always restore the L1's GIF on migration | Date | Tue, 4 May 2021 17:39:35 +0300 |
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While usually the L1's GIF is set while L2 runs, and usually migration nested state is loaded after a vCPU reset which also sets L1's GIF to true, this is not guaranteed.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com> --- arch/x86/kvm/svm/nested.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index 32400cba608d..b331446f67f3 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -1314,6 +1314,8 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu, else svm->nested.vmcb02.ptr->save = svm->vmcb01.ptr->save; + svm_set_gif(svm, !!(kvm_state->flags & KVM_STATE_NESTED_GIF_SET)); + svm->nested.nested_run_pending = !!(kvm_state->flags & KVM_STATE_NESTED_RUN_PENDING); -- 2.26.2
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