* Peter Xu (pet...@redhat.com) wrote:
> It's not supported since the 1st day, as ram_load_postcopy does not handle
> RAM_SAVE_FLAG_XBZRLE. Mark it disabled explicitly.
We've already got a check in ram_save_page:
if (rs->xbzrle_enabled && !migration_in_postcopy()) {
pages = save_xbzrle_page(rs, &p, current_addr, block,
offset);
so that's supposed to allow you to enable xbzrle with postcopy and take
advantage of xbzrle during the precopy phase.
Dave
> Signed-off-by: Peter Xu <pet...@redhat.com>
> ---
> migration/migration.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/migration/migration.c b/migration/migration.c
> index bb8bbddfe4..fb4066dfb4 100644
> --- a/migration/migration.c
> +++ b/migration/migration.c
> @@ -1268,6 +1268,11 @@ static bool migrate_caps_check(bool *cap_list,
> error_setg(errp, "Postcopy is not compatible with
> ignore-shared");
> return false;
> }
> +
> + if (cap_list[MIGRATION_CAPABILITY_XBZRLE]) {
> + error_setg(errp, "Postcopy is not compatible with xbzrle");
> + return false;
> + }
> }
>
> if (cap_list[MIGRATION_CAPABILITY_BACKGROUND_SNAPSHOT]) {
> --
> 2.32.0
>
--
Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK
