[Xen-changelog] [xen-4.0-testing] x86, atomic: Fix 32-bit version of atomic_write64().

["Xen patchbot-4.0-testing" <patchbot-4.0-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir@xxxxxxx>
# Date 1292595451 0
# Node ID 8d8c8886e8d5949668de9d3f7be7c751ca18335f
# Parent  b05fa0652463d322c125acdb945341e953616e59
x86, atomic: Fix 32-bit version of atomic_write64().

Signed-off-by: Keir Fraser <keir@xxxxxxx>
xen-unstable changeset:   22572:e3fd86244491
xen-unstable date:        Fri Dec 17 14:16:41 2010 +0000
---
 xen/include/asm-x86/atomic.h |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r b05fa0652463 -r 8d8c8886e8d5 xen/include/asm-x86/atomic.h
--- a/xen/include/asm-x86/atomic.h      Fri Dec 17 10:48:30 2010 +0000
+++ b/xen/include/asm-x86/atomic.h      Fri Dec 17 14:17:31 2010 +0000
@@ -42,7 +42,7 @@ static inline void atomic_write64(volati
 static inline void atomic_write64(volatile uint64_t *addr, uint64_t val)
 {
     uint64_t old = *addr, new, *__addr = (uint64_t *)addr;
-    while ( (old = __cmpxchg8b(__addr, old, val)) != old )
+    while ( (new = __cmpxchg8b(__addr, old, val)) != old )
         old = new;
 }
 #endif

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