[libvirt] [PATCH 4/5] qemu: Unset the genid start change flag for revert force
If the the snapshot revert involves a forced revert option, then
let's not cause startup to change the genid flag in order to signify
that we're still running the same/previous guest and not some
snapshot reversion.
https://bugzilla.redhat.com/show_bug.cgi?id=1149445
Signed-off-by: John Ferlan <jferlan(a)redhat.com>
---
src/qemu/qemu_driver.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 01011906d1..f737f4d350 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -16136,12 +16136,14 @@ qemuDomainRevertToSnapshot(virDomainSnapshotPtr snapshot,
}
/* If using VM GenID, there is no way currently to change
- * the genid for the running guest, so set an error and
- * mark as incompatible. */
+ * the genid for the running guest, so set an error,
+ * mark as incompatible, and don't allow change of genid
+ * if the revert force flag would start the guest again. */
if (compatible && config->genidRequested) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("domain genid update requires restart"));
compatible = false;
+ start_flags &= ~VIR_QEMU_PROCESS_START_GEN_VMID;
}
if (!compatible) {
--
2.14.4