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authorYury Kotov <yury-kotov@yandex-team.ru>2019-02-15 20:45:45 +0300
committerDr. David Alan Gilbert <dgilbert@redhat.com>2019-03-06 10:49:17 +0000
commit18269069c31089c3b42ef78ddffe1ee5799e2708 (patch)
treec104198b6087f6366578e491819ca0162b0803b2 /qapi/migration.json
parent754cb9c0ebcf2164107baf39e75517e459887622 (diff)
downloadqemu-18269069c31089c3b42ef78ddffe1ee5799e2708.zip
migration: Introduce ignore-shared capability
We want to use local migration to update QEMU for running guests. In this case we don't need to migrate shared (file backed) RAM. So, add a capability to ignore such blocks during live migration. Signed-off-by: Yury Kotov <yury-kotov@yandex-team.ru> Message-Id: <20190215174548.2630-3-yury-kotov@yandex-team.ru> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'qapi/migration.json')
-rw-r--r--qapi/migration.json5
1 files changed, 4 insertions, 1 deletions
diff --git a/qapi/migration.json b/qapi/migration.json
index 1fd7bbea9b..eab87340b2 100644
--- a/qapi/migration.json
+++ b/qapi/migration.json
@@ -409,13 +409,16 @@
# devices (and thus take locks) immediately at the end of migration.
# (since 3.0)
#
+# @x-ignore-shared: If enabled, QEMU will not migrate shared memory (since 4.0)
+#
# Since: 1.2
##
{ 'enum': 'MigrationCapability',
'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks',
'compress', 'events', 'postcopy-ram', 'x-colo', 'release-ram',
'block', 'return-path', 'pause-before-switchover', 'x-multifd',
- 'dirty-bitmaps', 'postcopy-blocktime', 'late-block-activate' ] }
+ 'dirty-bitmaps', 'postcopy-blocktime', 'late-block-activate',
+ 'x-ignore-shared' ] }
##
# @MigrationCapabilityStatus: