diff options
Diffstat (limited to 'migration/migration.c')
| -rw-r--r-- | migration/migration.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/migration/migration.c b/migration/migration.c index ae2025d9d8..37fc4fb3e2 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -3464,8 +3464,12 @@ static void migration_completion(MigrationState *s) qemu_savevm_state_complete_postcopy(s->to_dst_file); qemu_mutex_unlock_iothread(); - /* Shutdown the postcopy fast path thread */ - if (migrate_postcopy_preempt()) { + /* + * Shutdown the postcopy fast path thread. This is only needed + * when dest QEMU binary is old (7.1/7.2). QEMU 8.0+ doesn't need + * this. + */ + if (migrate_postcopy_preempt() && s->preempt_pre_7_2) { postcopy_preempt_shutdown_file(s); } @@ -4443,6 +4447,8 @@ static Property migration_properties[] = { decompress_error_check, true), DEFINE_PROP_UINT8("x-clear-bitmap-shift", MigrationState, clear_bitmap_shift, CLEAR_BITMAP_SHIFT_DEFAULT), + DEFINE_PROP_BOOL("x-preempt-pre-7-2", MigrationState, + preempt_pre_7_2, false), /* Migration parameters */ DEFINE_PROP_UINT8("x-compress-level", MigrationState, |