[Ltt-dev] [PATCH 3/10] local_t : i386, local_add_return fix

Mathieu Desnoyers compudj@krystal.dyndns.org
Thu Dec 21 19:47:00 GMT 2006


local_add_return fix for non volatile local_t on i386.

local_add_return should act like the new atomic_add_return considering the
removal of volatile from atomic_t.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>

--- a/include/asm-i386/local.h
+++ b/include/asm-i386/local.h
@@ -142,8 +142,8 @@ #endif
 	__i = i;
 	__asm__ __volatile__(
 		"xaddl %0, %1;"
-		:"=r"(i)
-		:"m"(l->a.counter), "0"(i));
+		:"+r" (i), "+m" (l->a.counter)
+		: : "memory");
 	return i + __i;
 
 #ifdef CONFIG_M386
-- 
OpenPGP public key:              http://krystal.dyndns.org:8080/key/compudj.gpg
Key fingerprint:     8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68 



More information about the Systemtap mailing list