memory: set single dirty flags when possible

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>

diff --git a/exec.c b/exec.c
index a8c79e5..ffda8be 100644 (file)
--- a/exec.c
+++ b/exec.c
@@ -1912,7 +1912,8 @@ static void invalidate_and_set_dirty(hwaddr addr,
         /* invalidate code */
         tb_invalidate_phys_page_range(addr, addr + length, 0);
         /* set dirty bit */
-        cpu_physical_memory_set_dirty_flags(addr, (0xff & ~CODE_DIRTY_FLAG));
+        cpu_physical_memory_set_dirty_flag(addr, VGA_DIRTY_FLAG);
+        cpu_physical_memory_set_dirty_flag(addr, MIGRATION_DIRTY_FLAG);
     }
     xen_modified_memory(addr, length);
 }
@@ -2527,8 +2528,8 @@ void stl_phys_notdirty(hwaddr addr, uint32_t val)
                 /* invalidate code */
                 tb_invalidate_phys_page_range(addr1, addr1 + 4, 0);
                 /* set dirty bit */
-                cpu_physical_memory_set_dirty_flags(
-                    addr1, (0xff & ~CODE_DIRTY_FLAG));
+                cpu_physical_memory_set_dirty_flag(addr1, MIGRATION_DIRTY_FLAG);
+                cpu_physical_memory_set_dirty_flag(addr1, VGA_DIRTY_FLAG);
             }
         }
     }

diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h
index 53cfe83..9f4ad69 100644 (file)
--- a/include/exec/memory-internal.h
+++ b/include/exec/memory-internal.h
@@ -89,7 +89,9 @@ static inline void cpu_physical_memory_set_dirty_flag(ram_addr_t addr,
 
 static inline void cpu_physical_memory_set_dirty(ram_addr_t addr)
 {
-    cpu_physical_memory_set_dirty_flags(addr, 0xff);
+    cpu_physical_memory_set_dirty_flag(addr, MIGRATION_DIRTY_FLAG);
+    cpu_physical_memory_set_dirty_flag(addr, VGA_DIRTY_FLAG);
+    cpu_physical_memory_set_dirty_flag(addr, CODE_DIRTY_FLAG);
 }
 
 static inline int cpu_physical_memory_clear_dirty_flags(ram_addr_t addr,