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[PULL,16/16] migration: Fix migration state update issue

Message ID 1431017176-3301-17-git-send-email-quintela@redhat.com
State New
Headers show

Commit Message

Juan Quintela May 7, 2015, 4:46 p.m. UTC 
From: Liang Li <liang.z.li@intel.com>

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 <liang.z.li@intel.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr.David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 arch_init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch_init.c b/arch_init.c
index bbf0031..23d3feb 100644
--- 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;
 }

 /**