linux-kernel - [PATCH] x86_64 - Use non locked version for local

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <20070714011913.GB31649@Krystal>
Date:	Fri, 13 Jul 2007 21:19:13 -0400
From:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, Christoph Lameter <clameter@....com>,
	Andi Kleen <andi@...stfloor.org>
Subject: [PATCH] x86_64 - Use non locked version for local_cmpxchg()

x86_64 - Use non locked version for local_cmpxchg()

local_cmpxchg() should not use any LOCK prefix. This change probably got lost in
the move to cmpxchg.h.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Acked-by: Christoph Lameter <clameter@....com>
CC: Andi Kleen <andi@...stfloor.org>
---
 include/asm-x86_64/cmpxchg.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6-lttng/include/asm-x86_64/cmpxchg.h
===================================================================
--- linux-2.6-lttng.orig/include/asm-x86_64/cmpxchg.h	2007-07-10 01:10:10.000000000 -0400
+++ linux-2.6-lttng/include/asm-x86_64/cmpxchg.h	2007-07-10 01:11:03.000000000 -0400
@@ -128,7 +128,7 @@
 	((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\
 					(unsigned long)(n),sizeof(*(ptr))))
 #define cmpxchg_local(ptr,o,n)\
-	((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\
+	((__typeof__(*(ptr)))__cmpxchg_local((ptr),(unsigned long)(o),\
 					(unsigned long)(n),sizeof(*(ptr))))
 
 #endif

-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/