[Qemu-devel] [PATCH 07/38] memory: make cpu_physical_memory_is_dirty return bool

[Juan Quintela]

Signed-off-by: Juan Quintela <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
 exec.c                         | 7 ++-----
 include/exec/memory-internal.h | 8 ++++++--
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/exec.c b/exec.c
index 95bcf70..a1fc280 100644
--- a/exec.c
+++ b/exec.c
@@ -1484,11 +1484,8 @@ found:
 static void notdirty_mem_write(void *opaque, hwaddr ram_addr,
                                uint64_t val, unsigned size)
 {
-    int dirty_flags;
-    dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr);
     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);
     }
     switch (size) {
     case 1:
@@ -1503,8 +1500,8 @@ static void notdirty_mem_write(void *opaque, hwaddr 
ram_addr,
     default:
         abort();
     }
-    dirty_flags |= (0xff & ~CODE_DIRTY_FLAG);
-    cpu_physical_memory_set_dirty_flags(ram_addr, dirty_flags);
+    cpu_physical_memory_set_dirty_flag(ram_addr, MIGRATION_DIRTY_FLAG);
+    cpu_physical_memory_set_dirty_flag(ram_addr, VGA_DIRTY_FLAG);
     /* we remove the notdirty callback only if the code has been
        flushed */
     if (cpu_physical_memory_is_dirty(ram_addr)) {
diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h
index 136198c..0b25c3f 100644
--- a/include/exec/memory-internal.h
+++ b/include/exec/memory-internal.h
@@ -56,9 +56,13 @@ static inline bool 
cpu_physical_memory_get_dirty_flag(ram_addr_t addr,
 }

 /* read dirty bit (return 0 or 1) */
-static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
+static inline bool cpu_physical_memory_is_dirty(ram_addr_t addr)
 {
-    return cpu_physical_memory_get_dirty_flags(addr) == 0xff;
+    bool vga = cpu_physical_memory_get_dirty_flag(addr, VGA_DIRTY_FLAG);
+    bool code = cpu_physical_memory_get_dirty_flag(addr, CODE_DIRTY_FLAG);
+    bool migration =
+        cpu_physical_memory_get_dirty_flag(addr, MIGRATION_DIRTY_FLAG);
+    return vga && code && migration;
 }

 static inline int cpu_physical_memory_get_dirty(ram_addr_t start,
-- 
1.8.3.1