Commit 4628efcd authored by Maxim Levitsky's avatar Maxim Levitsky Committed by Paolo Bonzini
Browse files

KVM: SVM: add warning for mistmatch between AVIC vcpu state and AVIC inhibition 



It is never a good idea to enter a guest on a vCPU when the
AVIC inhibition state doesn't match the enablement of
the AVIC on the vCPU.

Signed-off-by: default avatarMaxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20210810205251.424103-11-mlevitsk@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent b0a1637f

arch/x86/kvm/svm/svm.c

+2 −0
Original line number Diff line number Diff line
@@ -3779,6 +3779,8 @@ static __no_kcsan fastpath_t svm_vcpu_run(struct kvm_vcpu *vcpu) 


	pre_svm_run(vcpu);



	WARN_ON_ONCE(kvm_apicv_activated(vcpu->kvm) != kvm_vcpu_apicv_active(vcpu));



	sync_lapic_to_cr8(vcpu);



	if (unlikely(svm->asid != svm->vmcb->control.asid)) {