From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with ESMTP id 020786B0011 for ; Thu, 26 May 2011 20:57:08 -0400 (EDT) Message-ID: <4DDEF559.6040107@zytor.com> Date: Thu, 26 May 2011 17:50:33 -0700 From: "H. Peter Anvin" MIME-Version: 1.0 Subject: Re: [slubllv5 07/25] x86: Add support for cmpxchg_double References: <20110516202605.274023469@linux.com> <20110516202625.197639928@linux.com> <4DDE9670.3060709@zytor.com> <4DDE9C01.2090104@zytor.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: Pekka Enberg , David Rientjes , Eric Dumazet , linux-mm@kvack.org, Thomas Gleixner On 05/26/2011 02:16 PM, Christoph Lameter wrote: > + asm volatile(LOCK_PREFIX_HERE "lock; cmpxchg16b (%%rsi);setz %1" \ Just spotted this: LOCK_PREFIX_HERE "lock; " is kind of redundant, no? -hpa -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org