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author | Keir Fraser <keir@xen.org> | 2010-12-17 14:17:31 +0000 |
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committer | Keir Fraser <keir@xen.org> | 2010-12-17 14:17:31 +0000 |
commit | 78cb23fbc373c6cc1d752b67afca051efffe606c (patch) | |
tree | 1689ae596ed36e9edd5f40f9e5d63a2014f3b28c | |
parent | f2133ab9dbfa0486999520e7e765bb34ca4425f5 (diff) | |
download | xen-78cb23fbc373c6cc1d752b67afca051efffe606c.tar.gz xen-78cb23fbc373c6cc1d752b67afca051efffe606c.tar.bz2 xen-78cb23fbc373c6cc1d752b67afca051efffe606c.zip |
x86, atomic: Fix 32-bit version of atomic_write64().
Signed-off-by: Keir Fraser <keir@xen.org>
xen-unstable changeset: 22572:e3fd86244491
xen-unstable date: Fri Dec 17 14:16:41 2010 +0000
-rw-r--r-- | xen/include/asm-x86/atomic.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/xen/include/asm-x86/atomic.h b/xen/include/asm-x86/atomic.h index 3578c33568..345880fd12 100644 --- a/xen/include/asm-x86/atomic.h +++ b/xen/include/asm-x86/atomic.h @@ -42,7 +42,7 @@ static inline uint64_t atomic_read64(const volatile uint64_t *addr) 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 |