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> Link: https://lore.kernel.org/r/20240202102857.110210-2-pet...@redhat.com 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
