Commit 81b4b56d authored by Maxim Levitsky's avatar Maxim Levitsky Committed by Paolo Bonzini
Browse files

KVM: VMX: avoid running vmx_handle_exit_irqoff in case of emulation 



If we are emulating an invalid guest state, we don't have a correct
exit reason, and thus we shouldn't do anything in this function.

Signed-off-by: default avatarMaxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20210826095750.1650467-2-mlevitsk@redhat.com>
Cc: stable@vger.kernel.org
Fixes: 95b5a48c ("KVM: VMX: Handle NMIs, #MCs and async #PFs in common irqs-disabled fn", 2019-06-18)
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent a717a780

arch/x86/kvm/vmx/vmx.c

+3 −0
Original line number Diff line number Diff line
@@ -6382,6 +6382,9 @@ static void vmx_handle_exit_irqoff(struct kvm_vcpu *vcpu) 
{

	struct vcpu_vmx *vmx = to_vmx(vcpu);



	if (vmx->emulation_required)

		return;



	if (vmx->exit_reason.basic == EXIT_REASON_EXTERNAL_INTERRUPT)

		handle_external_interrupt_irqoff(vcpu);

	else if (vmx->exit_reason.basic == EXIT_REASON_EXCEPTION_NMI)