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[Qemu-devel] [PATCH 34/49] memory: cpu_physical_memory_get_dirty() is us


From: Juan Quintela
Subject: [Qemu-devel] [PATCH 34/49] memory: cpu_physical_memory_get_dirty() is used as returning a bool
Date: Mon, 13 Jan 2014 18:40:19 +0100

Signed-off-by: Juan Quintela <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Reviewed-by: Orit Wasserman <address@hidden>
---
 include/exec/memory-internal.h | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h
index edca8a8..fa28fc6 100644
--- a/include/exec/memory-internal.h
+++ b/include/exec/memory-internal.h
@@ -40,11 +40,10 @@ void *qemu_get_ram_ptr(ram_addr_t addr);
 void qemu_ram_free(ram_addr_t addr);
 void qemu_ram_free_from_ptr(ram_addr_t addr);

-static inline int cpu_physical_memory_get_dirty(ram_addr_t start,
-                                                ram_addr_t length,
-                                                unsigned client)
+static inline bool cpu_physical_memory_get_dirty(ram_addr_t start,
+                                                 ram_addr_t length,
+                                                 unsigned client)
 {
-    int ret = 0;
     ram_addr_t addr, end;

     assert(client < DIRTY_MEMORY_NUM);
@@ -52,10 +51,12 @@ static inline int cpu_physical_memory_get_dirty(ram_addr_t 
start,
     end = TARGET_PAGE_ALIGN(start + length);
     start &= TARGET_PAGE_MASK;
     for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
-        ret |= test_bit(addr >> TARGET_PAGE_BITS,
-                        ram_list.dirty_memory[client]);
+        if (test_bit(addr >> TARGET_PAGE_BITS,
+                     ram_list.dirty_memory[client])) {
+            return true;
+        }
     }
-    return ret;
+    return false;
 }

 static inline bool cpu_physical_memory_get_dirty_flag(ram_addr_t addr,
-- 
1.8.4.2




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