memory: replace cpu_physical_sync_dirty_bitmap() with a memory API

The function is still used as the implementation.
Signed-off-by: NAvi Kivity <avi@redhat.com>

arch_init.c

@@ -41,6 +41,7 @@
 #include "net.h"
 #include "gdbstub.h"
 #include "hw/smbios.h"
+#include "exec-memory.h"
 
 #ifdef TARGET_SPARC
 int graphic_width = 1024;
@@ -263,10 +264,7 @@ int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque)
         return 0;
     }
 
-    if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
-        qemu_file_set_error(f, -EINVAL);
-        return -EINVAL;
-    }
+    memory_global_sync_dirty_bitmap(get_system_memory());
 
     if (stage == 1) {
         RAMBlock *block;

cpu-all.h

@@ -569,9 +569,6 @@ int cpu_physical_memory_set_dirty_tracking(int enable);
 
 int cpu_physical_memory_get_dirty_tracking(void);
 
-int cpu_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
-                                   target_phys_addr_t end_addr);
-
 int cpu_physical_log_start(target_phys_addr_t start_addr,
                            ram_addr_t size);
 

exec-obsolete.h

@@ -63,6 +63,9 @@ static inline void cpu_register_physical_memory(target_phys_addr_t start_addr,
 void qemu_register_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
 void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
 
+int cpu_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
+                                   target_phys_addr_t end_addr);
+
 #endif
 
 #endif

memory.c

@@ -1447,6 +1447,10 @@ MemoryRegionSection memory_region_find(MemoryRegion *address_space,
     return ret;
 }
 
+void memory_global_sync_dirty_bitmap(MemoryRegion *address_space)
+{
+    cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX);
+}
 
 void set_system_memory_map(MemoryRegion *mr)
 {

memory.h

@@ -607,6 +607,16 @@ void memory_region_set_alias_offset(MemoryRegion *mr,
 MemoryRegionSection memory_region_find(MemoryRegion *address_space,
                                        target_phys_addr_t addr, uint64_t size);
 
+
+/**
+ * memory_global_sync_dirty_bitmap: synchronize the dirty log for all memory
+ *
+ * Synchronizes the dirty page log for an entire address space.
+ * @address_space: a top-level (i.e. parentless) region that contains the
+ *       memory being synchronized
+ */
+void memory_global_sync_dirty_bitmap(MemoryRegion *address_space);
+
 /**
  * memory_region_transaction_begin: Start a transaction.
  *