Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Fix futex_atomic_cmpxchg_inatomic implementation.
git-mirror · Nov 2, 2006 · 0ca2b77 · 0ca2b77
2 parents aefba08 + c7fed9d
commit 0ca2b77
Showing 1 changed file with 8 additions and 10 deletions.
diff --git a/include/asm-sparc64/futex.h b/include/asm-sparc64/futex.h
@@ -87,24 +87,22 @@ static inline int
 futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
 {
 	__asm__ __volatile__(
-	"\n1:	lduwa	[%2] %%asi, %0\n"
-	"2:	casa	[%2] %%asi, %0, %1\n"
-	"3:\n"
+	"\n1:	casa	[%3] %%asi, %2, %0\n"
+	"2:\n"
 	"	.section .fixup,#alloc,#execinstr\n"
 	"	.align	4\n"
-	"4:	ba	3b\n"
-	"	 mov	%3, %0\n"
+	"3:	ba	2b\n"
+	"	 mov	%4, %0\n"
 	"	.previous\n"
 	"	.section __ex_table,\"a\"\n"
 	"	.align	4\n"
-	"	.word	1b, 4b\n"
-	"	.word	2b, 4b\n"
+	"	.word	1b, 3b\n"
 	"	.previous\n"
-	: "=&r" (oldval)
-	: "r" (newval), "r" (uaddr), "i" (-EFAULT)
+	: "=r" (newval)
+	: "0" (newval), "r" (oldval), "r" (uaddr), "i" (-EFAULT)
 	: "memory");
 
-	return oldval;
+	return newval;
 }
 
 #endif /* !(_SPARC64_FUTEX_H) */