migration: Fix migration state update issue

If live migration is very fast and can be completed in 1 second, the dirty_sync_count of MigrationState will not be updated. Then you will see "dirty sync count: 0" in qemu monitor even if the actual dirty sync count is not 0. Signed-off-by: Liang Li <[email protected]> Reviewed-by: Juan Quintela <[email protected]> Reviewed-by: Dr.David Alan Gilbert <[email protected]> Signed-off-by: Juan Quintela <[email protected]>
fub2 · May 7, 2015 · 362ba4e · 362ba4e
1 parent 27ff42e
commit 362ba4e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch_init.c b/arch_init.c
@@ -744,8 +744,8 @@ static void migration_bitmap_sync(void)
         s->dirty_bytes_rate = s->dirty_pages_rate * TARGET_PAGE_SIZE;
         start_time = end_time;
         num_dirty_pages_period = 0;
-        s->dirty_sync_count = bitmap_sync_count;
     }
+    s->dirty_sync_count = bitmap_sync_count;
 }
 
 /**