Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965029Ab1CaS3z (ORCPT ); Thu, 31 Mar 2011 14:29:55 -0400 Received: from terminus.zytor.com ([198.137.202.10]:57998 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758939Ab1CaS3y (ORCPT ); Thu, 31 Mar 2011 14:29:54 -0400 Message-ID: <4D94C7B4.4070904@zytor.com> Date: Thu, 31 Mar 2011 11:28:04 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.15) Gecko/20110307 Fedora/3.1.9-1.fc15 Thunderbird/3.1.9 MIME-Version: 1.0 To: Len Brown CC: Ingo Molnar , x86@kernel.org, linux-kernel@vger.kernel.org, linux-pm@lists.linux-foundation.org, Len Brown , Linus Torvalds , Andrew Morton , Thomas Gleixner Subject: Re: [PATCH 2/9] x86 idle: remove NOP cpuinfo_x86.hlt_works_ok flag References: <67e90d97e0a77df4acd0c75e1bacc7714e011f3e.1301550524.git.len.brown@intel.com> <20110331061247.GA24786@elte.hu> <20110331081800.GH5938@elte.hu> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 744 Lines: 25 On 03/31/2011 11:07 AM, Len Brown wrote: >> >> Do we know whether a distro adds this to the boot line? Do we know about users >> relying on it. > > Impossible to know. > The first would be insanely unlikely, as the machines with HLT problems were already getting old by the time Linux distributions started appearing in significant numbers. Users relying on it is another issue. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- 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/