From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757206Ab0BQLoX (ORCPT ); Wed, 17 Feb 2010 06:44:23 -0500 Received: from mail-fx0-f215.google.com ([209.85.220.215]:61014 "EHLO mail-fx0-f215.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756202Ab0BQLm5 (ORCPT ); Wed, 17 Feb 2010 06:42:57 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; b=DWys//+06+TMVcPuv1/WLld2nl383Le2pwmNj4XBisDbzE8xoHkPwJYiimqRWqTG8k Bv8hdrUUvWwfbMBw8Ti4Hk7a91rOmhlt/c5gtVUejCNZySWugZ8o8wejUAbJ9yq//YXc mVZ7lT/PxPkikyg4usP8rvg8j+VK4c4fyUHog= From: Luca Barbieri To: mingo@elte.hu Cc: hpa@zytor.com, a.p.zijlstra@chello.nl, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, Luca Barbieri Subject: [PATCH 04/10] x86-32: allow UP/SMP lock replacement in cmpxchg64 Date: Wed, 17 Feb 2010 12:42:36 +0100 Message-Id: <1266406962-17463-5-git-send-email-luca@luca-barbieri.com> X-Mailer: git-send-email 1.6.6.1.476.g01ddb In-Reply-To: <1266406962-17463-1-git-send-email-luca@luca-barbieri.com> References: <1266406962-17463-1-git-send-email-luca@luca-barbieri.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use the functionality just introduced in the previous patch. --- arch/x86/include/asm/cmpxchg_32.h | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/arch/x86/include/asm/cmpxchg_32.h b/arch/x86/include/asm/cmpxchg_32.h index ffb9bb6..3c267e0 100644 --- a/arch/x86/include/asm/cmpxchg_32.h +++ b/arch/x86/include/asm/cmpxchg_32.h @@ -271,7 +271,8 @@ extern unsigned long long cmpxchg_486_u64(volatile void *, u64, u64); __typeof__(*(ptr)) __ret; \ __typeof__(*(ptr)) __old = (o); \ __typeof__(*(ptr)) __new = (n); \ - alternative_io("call cmpxchg8b_emu", \ + alternative_io(LOCK_PREFIX_ALTERNATIVE_PATCH \ + "call cmpxchg8b_emu", \ "lock; cmpxchg8b (%%esi)" , \ X86_FEATURE_CX8, \ "=A" (__ret), \ -- 1.6.6.1.476.g01ddb