Commit db25eb87 authored by Paolo Bonzini's avatar Paolo Bonzini
Browse files

KVM: SVM: remove unnecessary check on INIT intercept 



Since svm_check_nested_events() is now handling INIT signals, there is
no need to latch it until the VMEXIT is injected.  The only condition
under which INIT signals are latched is GIF=0.

Suggested-by: default avatarMaxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Reviewed-by: default avatarMaxim Levitsky <mlevitsk@redhat.com>
Link: https://lore.kernel.org/r/20220819165643.83692-1-pbonzini@redhat.com


Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent afe30b59

arch/x86/kvm/svm/svm.c

+1 −9
Original line number Diff line number Diff line
@@ -4697,15 +4697,7 @@ static bool svm_apic_init_signal_blocked(struct kvm_vcpu *vcpu) 
{

	struct vcpu_svm *svm = to_svm(vcpu);



	/*

	 * TODO: Last condition latch INIT signals on vCPU when

	 * vCPU is in guest-mode and vmcb12 defines intercept on INIT.

	 * To properly emulate the INIT intercept,

	 * svm_check_nested_events() should call nested_svm_vmexit()

	 * if an INIT signal is pending.

	 */

	return !gif_set(svm) ||

		   (vmcb_is_intercept(&svm->vmcb->control, INTERCEPT_INIT));

	return !gif_set(svm);

}



static void svm_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector)