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[Qemu-devel] [PATCH 09/27] ram: introduce migration_bitmap_sync()


From: Juan Quintela
Subject: [Qemu-devel] [PATCH 09/27] ram: introduce migration_bitmap_sync()
Date: Tue, 24 Jul 2012 20:36:34 +0200

Helper that we use each time that we need to syncronize the migration
bitmap with the other dirty bitmaps.

Signed-off-by: Juan Quintela <address@hidden>
---
 arch_init.c |   10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch_init.c b/arch_init.c
index c49c321..d21b2a3 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -367,6 +367,12 @@ static inline void migration_bitmap_set_dirty(MemoryRegion 
*mr, int length)
     }
 }

+static void migration_bitmap_sync(void)
+{
+    memory_global_sync_dirty_bitmap(get_system_memory());
+}
+
+
 /*
  * ram_save_block: Writes a page of memory to the stream f
  *
@@ -631,7 +637,7 @@ static int ram_save_iterate(QEMUFile *f, void *opaque)
             expected_time, migrate_max_downtime());

     if (expected_time <= migrate_max_downtime()) {
-        memory_global_sync_dirty_bitmap(get_system_memory());
+        migration_bitmap_sync();
         expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;

         return expected_time <= migrate_max_downtime();
@@ -641,7 +647,7 @@ static int ram_save_iterate(QEMUFile *f, void *opaque)

 static int ram_save_complete(QEMUFile *f, void *opaque)
 {
-    memory_global_sync_dirty_bitmap(get_system_memory());
+    migration_bitmap_sync();

     qemu_mutex_lock_ramlist();

-- 
1.7.10.4




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