diff mbox

[06/38] exec: create function to get a single dirty bit

Message ID 1387293974-24718-7-git-send-email-quintela@redhat.com
State New
Headers show

Commit Message

Juan Quintela Dec. 17, 2013, 3:25 p.m. UTC 
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
---
 exec.c                         | 2 +-
 include/exec/memory-internal.h | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/exec.c b/exec.c
index 8800f8e..95bcf70 100644
--- a/exec.c
+++ b/exec.c
@@ -1486,7 +1486,7 @@  static void notdirty_mem_write(void *opaque, hwaddr ram_addr,
 {
     int dirty_flags;
     dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr);
-    if (!(dirty_flags & CODE_DIRTY_FLAG)) {
+    if (!cpu_physical_memory_get_dirty_flag(ram_addr, CODE_DIRTY_FLAG)) {
         tb_invalidate_phys_page_fast(ram_addr, size);
         dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr);
     }
diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h
index 4ebab80..136198c 100644
--- a/include/exec/memory-internal.h
+++ b/include/exec/memory-internal.h
@@ -49,6 +49,12 @@  static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr)
     return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
 }

+static inline bool cpu_physical_memory_get_dirty_flag(ram_addr_t addr,
+                                                      int dirty_flag)
+{
+    return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & dirty_flag;
+}
+
 /* read dirty bit (return 0 or 1) */
 static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
 {