Function nmi_blocked

freebsd/amd64/vmm/amd/svm.c:1094–1102

* Once an NMI is injected it blocks delivery of further NMIs until the handler * executes an IRET. The IRET intercept is enabled when an NMI is injected to * to track when the vcpu is done handling the NMI. */

 * to track when the vcpu is done handling the NMI.
 */
static int
nmi_blocked(struct svm_softc *sc, int vcpu)
{
	int blocked;

	blocked = svm_get_intercept(sc, vcpu, VMCB_CTRL1_INTCPT,
	    VMCB_INTCPT_IRET);
	return (blocked);
}

static void
enable_nmi_blocking(struct svm_softc *sc, int vcpu)