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authorDr. David Alan Gilbert <dgilbert@redhat.com>2017-10-20 10:05:55 +0100
committerJuan Quintela <quintela@redhat.com>2017-10-23 18:03:32 +0200
commita7b36b486dd58d8f44f788a2a2efa6a4fa3b1223 (patch)
tree8d015d810d9ee5a363899391e8aad7d3c234c628
parent94ae12cba4f18253e3cf5f9a70335e22870053b4 (diff)
migration: allow cancel to unpause
If a migration_cancel is issued during the new paused state, kick the pause_sem to get to unpause so it can cancel. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
-rw-r--r--migration/migration.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/migration/migration.c b/migration/migration.c
index 90bfdc3a7c..b523d8f215 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1114,6 +1114,10 @@ static void migrate_fd_cancel(MigrationState *s)
if (!migration_is_setup_or_active(old_state)) {
break;
}
+ /* If the migration is paused, kick it out of the pause */
+ if (old_state == MIGRATION_STATUS_PRE_SWITCHOVER) {
+ qemu_sem_post(&s->pause_sem);
+ }
migrate_set_state(&s->state, old_state, MIGRATION_STATUS_CANCELLING);
} while (s->state != MIGRATION_STATUS_CANCELLING);