svn commit: r350834 - stable/11/sys/amd64/vmm/io

[Konstantin Belousov]

Author: kib
Date: Sat Aug 10 08:34:02 2019
New Revision: 350834
URL: https://svnweb.freebsd.org/changeset/base/350834

Log:
  MFC r350560:
  bhyve: Ignore MSI/MSI-X interrupts sent to non-active vCPUs in
  physical destination mode.

Modified:
  stable/11/sys/amd64/vmm/io/vlapic.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/amd64/vmm/io/vlapic.c
==============================================================================
--- stable/11/sys/amd64/vmm/io/vlapic.c	Sat Aug 10 08:29:23 2019	(r350833)
+++ stable/11/sys/amd64/vmm/io/vlapic.c	Sat Aug 10 08:34:02 2019	(r350834)
@@ -836,7 +836,8 @@ vlapic_calcdest(struct vm *vm, cpuset_t *dmask, uint32
 		 */
 		CPU_ZERO(dmask);
 		vcpuid = vm_apicid2vcpuid(vm, dest);
-		if (vcpuid < vm_get_maxcpus(vm))
+		amask = vm_active_cpus(vm);
+		if (vcpuid < vm_get_maxcpus(vm) && CPU_ISSET(vcpuid, &amask))
 			CPU_SET(vcpuid, dmask);
 	} else {
 		/*