From a7b36b486dd58d8f44f788a2a2efa6a4fa3b1223 Mon Sep 17 00:00:00 2001 From: "Dr. David Alan Gilbert" Date: Fri, 20 Oct 2017 10:05:55 +0100 Subject: [PATCH] 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 Reviewed-by: Peter Xu Reviewed-by: Juan Quintela Signed-off-by: Juan Quintela --- migration/migration.c | 4 ++++ 1 file changed, 4 insertions(+) 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);