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KVM: nSVM: correctly restore nested_run_pending on migration

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The code to store it on the migration exists, but no code was restoring it.

One of the side effects of fixing this is that L1->L2 injected events
are no longer lost when migration happens with nested run pending.

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20210107093854.882483-3-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Maxim Levitsky 2021-01-07 11:38:52 +02:00 committed by Paolo Bonzini
parent c0dba6e468
commit 81f76adad5
1 changed files with 4 additions and 0 deletions
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4
arch/x86/kvm/svm/nested.c
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@ -1194,6 +1194,10 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu,
* in the registers, the save area of the nested state instead
* contains saved L1 state.
*/
svm->nested.nested_run_pending =
!!(kvm_state->flags & KVM_STATE_NESTED_RUN_PENDING);
copy_vmcb_control_area(&hsave->control, &svm->vmcb->control);
hsave->save = *save;