Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754721AbZJESwZ (ORCPT ); Mon, 5 Oct 2009 14:52:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754427AbZJESwZ (ORCPT ); Mon, 5 Oct 2009 14:52:25 -0400 Received: from mail-bw0-f210.google.com ([209.85.218.210]:51096 "EHLO mail-bw0-f210.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754408AbZJESwY (ORCPT ); Mon, 5 Oct 2009 14:52:24 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=bD2yUXhVczV/b6Unpz44VwSEwIarETlCFluTZGwsnKdTLzpdhAHjjFw71BnBhIwHpd vtFGGCN1/xJJss1tZxjCQkqvfJ84R+J/JVrlXMCMSqnfFV+2GcqJwwBZWHYNLOZo11dW HpWupzFc51Rtl+IMSGiTzhj/Q9TMm5J5qNBIk= MIME-Version: 1.0 In-Reply-To: <1254758425.26976.126.camel@twins> References: <4AC060AE.1090401@gmail.com> <20090928191506.40b61793@mschwide.boeblingen.de.ibm.com> <4AC10365.7090802@gmail.com> <4AC2712C.4080901@gmail.com> <1254758425.26976.126.camel@twins> Date: Mon, 5 Oct 2009 11:51:46 -0700 Message-ID: <55a4f86e0910051151y26ec6f92m541a8f1f5f323a14@mail.gmail.com> Subject: Re: [PATCH] x86: Generate cmpxchg build failures From: =?UTF-8?Q?Maciej_=C5=BBenczykowski?= To: Peter Zijlstra Cc: Linus Torvalds , Eric Dumazet , Martin Schwidefsky , Thomas Gleixner , John Stultz , Linux Kernel Mailing List , Ingo Molnar , Arjan van de Ven Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 382 Lines: 10 Strictly speaking isn't there a cmpxchg8b on newer than ancient cpus... I'm guessing that it's deliberately not supported/used? Maciej -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/