From 4eefdf0995c1ce440f51da22906e5f761a9a9c72 Mon Sep 17 00:00:00 2001

Message-Id: <4eefdf0995c1ce440f51da22906e5f761a9a9c72@dist-git>

From: Martin Kletzander <mkletzan@redhat.com>

Date: Fri, 4 Nov 2016 10:29:48 +0100

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>

(cherry picked from commit d17fab69be7a73336d388b805c282037ffb29647)

https://bugzilla.redhat.com/show_bug.cgi?id=1392031

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 496a3f1..545ed1c 100644

--- a/src/qemu/qemu_migration.c

+++ b/src/qemu/qemu_migration.c

@@ -2350,6 +2350,12 @@ 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;

-- 

2.10.2