diff mbox series

[v3,4/7] migration/multifd: Enable multifd zero page checking by default.

Message ID 20240226195654.934709-5-hao.xiang@bytedance.com
State New
Headers show
Series Introduce multifd zero page checking. | expand

Commit Message

Hao Xiang Feb. 26, 2024, 7:56 p.m. UTC 
Set default "zero-page-detection" option to "multifd". Now zero page
checking can be done in the multifd threads and this becomes the
default configuration. We still provide backward compatibility
where zero page checking is done from the migration main thread.

Signed-off-by: Hao Xiang <hao.xiang@bytedance.com>
---
 migration/options.c | 2 +-
 qapi/migration.json | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/migration/options.c b/migration/options.c
index 3c603391b0..3c79b6ccd4 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -181,7 +181,7 @@  Property migration_properties[] = {
                       MIG_MODE_NORMAL),
     DEFINE_PROP_ZERO_PAGE_DETECTION("zero-page-detection", MigrationState,
                        parameters.zero_page_detection,
-                       ZERO_PAGE_DETECTION_LEGACY),
+                       ZERO_PAGE_DETECTION_MULTIFD),
 
     /* Migration capabilities */
     DEFINE_PROP_MIG_CAP("x-xbzrle", MIGRATION_CAPABILITY_XBZRLE),
diff --git a/qapi/migration.json b/qapi/migration.json
index 5a1bb8ad62..a0a85a0312 100644
--- a/qapi/migration.json
+++ b/qapi/migration.json
@@ -890,7 +890,7 @@ 
 #        (Since 8.2)
 #
 # @zero-page-detection: Whether and how to detect zero pages. More details
-#     see description in @ZeroPageDetection. Default is 'legacy'.  (since 9.0)
+#     see description in @ZeroPageDetection. Default is 'multifd'.  (since 9.0)
 #
 # Features:
 #
@@ -1086,7 +1086,7 @@ 
 #        (Since 8.2)
 #
 # @zero-page-detection: Whether and how to detect zero pages. More details
-#     see description in @ZeroPageDetection. Default is 'legacy'.  (since 9.0)
+#     see description in @ZeroPageDetection. Default is 'multifd'.  (since 9.0)
 #
 # Features:
 #
@@ -1318,7 +1318,7 @@ 
 #        (Since 8.2)
 #
 # @zero-page-detection: Whether and how to detect zero pages. More details
-#     see description in @ZeroPageDetection. Default is 'legacy'.  (since 9.0)
+#     see description in @ZeroPageDetection. Default is 'multifd'.  (since 9.0)
 #
 # Features:
 #