From: Peter Xu <pet...@redhat.com>
We've already done that with multifd_flush_after_each_section, for multifd
in general. Drop the stale "TODO-like" comment.
Reviewed-by: Fabiano Rosas <faro...@suse.de>
Signed-off-by: Peter Xu <pet...@redhat.com>
---
migration/multifd.c | 11 -----------
1 file changed, 11 deletions(-)
diff --git a/migration/multifd.c b/migration/multifd.c
index 25cbc6dc6b..eee2586770 100644
--- a/migration/multifd.c
+++ b/migration/multifd.c
@@ -598,17 +598,6 @@ int multifd_send_sync_main(void)
}
}
- /*
- * When using zero-copy, it's necessary to flush the pages before any of
- * the pages can be sent again, so we'll make sure the new version of the
- * pages will always arrive _later_ than the old pages.
- *
- * Currently we achieve this by flushing the zero-page requested writes
- * per ram iteration, but in the future we could potentially optimize it
- * to be less frequent, e.g. only after we finished one whole scanning of
- * all the dirty bitmaps.
- */
-
flush_zero_copy = migrate_zero_copy_send();
for (i = 0; i < migrate_multifd_channels(); i++) {
--
2.43.0
