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authorGrant Likely <grant.likely@secretlab.ca>2012-05-09 18:32:01 -0600
committerGrant Likely <grant.likely@secretlab.ca>2012-05-09 18:32:01 -0600
commit3aa450c063e29b4f4b622480e1779e5e256d8f8f (patch)
treed18942ff8bf862f2973f4e7adbf99c4f3e22a563 /arch/ia64/include/asm/futex.h
parentd57a4282d04810417c4ed2a49cbbeda8b3569b18 (diff)
parentd48b97b403d23f6df0b990cee652bdf9a52337a3 (diff)
Merge tag 'v3.4-rc6' into spi/next
Linux 3.4-rc6
Diffstat (limited to 'arch/ia64/include/asm/futex.h')
-rw-r--r--arch/ia64/include/asm/futex.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/ia64/include/asm/futex.h b/arch/ia64/include/asm/futex.h
index 0ab82cc2dc8f..d2bf1fd5e44f 100644
--- a/arch/ia64/include/asm/futex.h
+++ b/arch/ia64/include/asm/futex.h
@@ -106,15 +106,16 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
return -EFAULT;
{
- register unsigned long r8 __asm ("r8") = 0;
+ register unsigned long r8 __asm ("r8");
unsigned long prev;
__asm__ __volatile__(
" mf;; \n"
- " mov ar.ccv=%3;; \n"
- "[1:] cmpxchg4.acq %0=[%1],%2,ar.ccv \n"
+ " mov %0=r0 \n"
+ " mov ar.ccv=%4;; \n"
+ "[1:] cmpxchg4.acq %1=[%2],%3,ar.ccv \n"
" .xdata4 \"__ex_table\", 1b-., 2f-. \n"
"[2:]"
- : "=r" (prev)
+ : "=r" (r8), "=r" (prev)
: "r" (uaddr), "r" (newval),
"rO" ((long) (unsigned) oldval)
: "memory");