diff options
author | Steve Sistare <steven.sistare@oracle.com> | 2024-01-03 12:05:37 -0800 |
---|---|---|
committer | Peter Xu <peterx@redhat.com> | 2024-01-04 09:52:42 +0800 |
commit | 49a5020697001eb96693e8a289c13b89149c7fef (patch) | |
tree | 16f7cf6b05c99400fea785c48e80ac0a7faf702f /migration | |
parent | 58b105703e86c1721d1a4cb9f6aaaca49c82145e (diff) |
migration: preserve suspended for bg_migration
Do not wake a suspended guest during bg_migration, and restore the prior
state at finish rather than unconditionally running. Allow the additional
state transitions that occur.
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/1704312341-66640-9-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Diffstat (limited to 'migration')
-rw-r--r-- | migration/migration.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/migration/migration.c b/migration/migration.c index 8124811045..2cc7e2a56c 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -3390,7 +3390,7 @@ static void bg_migration_vm_start_bh(void *opaque) qemu_bh_delete(s->vm_start_bh); s->vm_start_bh = NULL; - vm_start(); + vm_resume(s->vm_old_state); migration_downtime_end(s); } @@ -3462,11 +3462,6 @@ static void *bg_migration_thread(void *opaque) qemu_mutex_lock_iothread(); - /* - * If VM is currently in suspended state, then, to make a valid runstate - * transition in vm_stop_force_state() we need to wakeup it up. - */ - qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER, NULL); s->vm_old_state = runstate_get(); global_state_store(); |