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

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir@xxxxxxx>
# Date 1292595401 0
# Node ID e3fd86244491a8129cbd2b8e889f440232da6202
# Parent  534a09877cac29c0faf184b765c8c0e53da40331
x86, atomic: Fix 32-bit version of atomic_write64().

Signed-off-by: Keir Fraser <keir@xxxxxxx>
---
 xen/include/asm-x86/atomic.h |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r 534a09877cac -r e3fd86244491 xen/include/asm-x86/atomic.h
--- a/xen/include/asm-x86/atomic.h      Fri Dec 17 11:51:10 2010 +0000
+++ b/xen/include/asm-x86/atomic.h      Fri Dec 17 14:16:41 2010 +0000
@@ -36,7 +36,7 @@ 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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