diff --git a/sys/amd64/include/vmm.h b/sys/amd64/include/vmm.h
--- a/sys/amd64/include/vmm.h
+++ b/sys/amd64/include/vmm.h
@@ -159,7 +159,7 @@
 enum snapshot_req;
 
 struct vm_eventinfo {
-	void	*rptr;		/* rendezvous cookie */
+	cpuset_t *rptr;		/* rendezvous cookie */
 	int	*sptr;		/* suspend cookie */
 	int	*iptr;		/* reqidle cookie */
 };
@@ -331,10 +331,16 @@
 #endif	/* _SYS__CPUSET_H_ */
 
 static __inline int
-vcpu_rendezvous_pending(struct vm_eventinfo *info)
+vcpu_rendezvous_pending(struct vcpu *vcpu, struct vm_eventinfo *info)
 {
-
-	return (*((uintptr_t *)(info->rptr)) != 0);
+	/*
+	 * This check isn't done with atomic operations or under a lock because
+	 * there's no need to. If the vcpuid bit is set, the vcpu is part of a
+	 * rendezvous and the bit won't be cleared until the vcpu enters the
+	 * rendezvous. On rendezvous exit, the cpuset is cleared and the vcpu
+	 * will see an empty cpuset. So, the races are harmless.
+	 */
+	return (CPU_ISSET(vcpu_vcpuid(vcpu), info->rptr));
 }
 
 static __inline int
diff --git a/sys/amd64/vmm/amd/svm.c b/sys/amd64/vmm/amd/svm.c
--- a/sys/amd64/vmm/amd/svm.c
+++ b/sys/amd64/vmm/amd/svm.c
@@ -2053,7 +2053,7 @@
 			break;
 		}
 
-		if (vcpu_rendezvous_pending(evinfo)) {
+		if (vcpu_rendezvous_pending(vcpu->vcpu, evinfo)) {
 			enable_gintr();
 			vm_exit_rendezvous(vcpu->vcpu, state->rip);
 			break;
diff --git a/sys/amd64/vmm/intel/vmx.c b/sys/amd64/vmm/intel/vmx.c
--- a/sys/amd64/vmm/intel/vmx.c
+++ b/sys/amd64/vmm/intel/vmx.c
@@ -3071,7 +3071,7 @@
 			break;
 		}
 
-		if (vcpu_rendezvous_pending(evinfo)) {
+		if (vcpu_rendezvous_pending(vcpu->vcpu, evinfo)) {
 			enable_intr();
 			vm_exit_rendezvous(vcpu->vcpu, rip);
 			break;
diff --git a/sys/amd64/vmm/vmm.c b/sys/amd64/vmm/vmm.c
--- a/sys/amd64/vmm/vmm.c
+++ b/sys/amd64/vmm/vmm.c
@@ -1438,6 +1438,7 @@
 		if (CPU_CMP(&vm->rendezvous_req_cpus,
 		    &vm->rendezvous_done_cpus) == 0) {
 			VMM_CTR0(vcpu, "Rendezvous completed");
+			CPU_ZERO(&vm->rendezvous_req_cpus);
 			vm->rendezvous_func = NULL;
 			wakeup(&vm->rendezvous_func);
 			break;
@@ -1858,7 +1859,7 @@
 
 	pmap = vmspace_pmap(vm->vmspace);
 	vme = &vcpu->exitinfo;
-	evinfo.rptr = &vm->rendezvous_func;
+	evinfo.rptr = &vm->rendezvous_req_cpus;
 	evinfo.sptr = &vm->suspend;
 	evinfo.iptr = &vcpu->reqidle;
 restart: