From d17fab69be7a73336d388b805c282037ffb29647 Mon Sep 17 00:00:00 2001
From: Martin Kletzander <mkletzan@redhat.com>
Date: Tue, 20 Sep 2016 11:24:49 +0200
Subject: [PATCH] qemu: Disable migration with ivshmem

It was never safe anyway and as such shouldn't have been enabled in the
first place.  Future patches will allow hot-(un)pluging of some ivshmem
devices as a workaround.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
---
 src/qemu/qemu_migration.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
index 1e7abc53f5..1c4a80c3a4 100644
--- a/src/qemu/qemu_migration.c
+++ b/src/qemu/qemu_migration.c
@@ -2352,6 +2352,12 @@ qemuMigrationIsAllowed(virQEMUDriverPtr driver,
                 return false;
             }
         }
+
+        if (vm->def->nshmems) {
+            virReportError(VIR_ERR_OPERATION_INVALID, "%s",
+                           _("migration with shmem device is not supported"));
+            return false;
+        }
     }
 
     return true;