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migration: allow enabling mutilfd for specific protocol only 

To: <quintela@redhat.com>, <dgilbert@redhat.com>, <qemu-devel@nongnu.org>
CC: Li Zhijian <lizhijian@cn.fujitsu.com>
Date: Sat, 31 Jul 2021 22:05:52 +0800 (5 weeks, 4 days, 17 hours ago)

And change the default to true so that in '-incoming defer' case, user is able
to change multifd capability.

Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Li Zhijian 2021-09-09 09:30:52 +02:00 committed by Juan Quintela
parent b7acd65707
commit 5ad15e8614
2 changed files with 9 additions and 1 deletions
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8
migration/migration.c
View File

@ -1237,6 +1237,14 @@ static bool migrate_caps_check(bool *cap_list,
}
}
/* incoming side only */
if (runstate_check(RUN_STATE_INMIGRATE) &&
!migrate_multifd_is_allowed() &&
cap_list[MIGRATION_CAPABILITY_MULTIFD]) {
error_setg(errp, "multifd is not supported by current protocol");
return false;
}
return true;
}

2
migration/multifd.c
View File

@ -868,7 +868,7 @@ cleanup:
multifd_new_send_channel_cleanup(p, sioc, local_err);
}
static bool migrate_allow_multifd;
static bool migrate_allow_multifd = true;
void migrate_protocol_allow_multifd(bool allow)
{
migrate_allow_multifd = allow;