Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759919AbZFPUhW (ORCPT ); Tue, 16 Jun 2009 16:37:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752885AbZFPUhL (ORCPT ); Tue, 16 Jun 2009 16:37:11 -0400 Received: from terminus.zytor.com ([198.137.202.10]:45470 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751534AbZFPUhK (ORCPT ); Tue, 16 Jun 2009 16:37:10 -0400 Message-ID: <4A380086.7020904@zytor.com> Date: Tue, 16 Jun 2009 13:28:54 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.21 (X11/20090320) MIME-Version: 1.0 To: Russ Anderson CC: Andi Kleen , Alan Cox , Hugh Dickins , Wu Fengguang , Balbir Singh , Andrew Morton , LKML , Ingo Molnar , Mel Gorman , Thomas Gleixner , Peter Zijlstra , Nick Piggin , "riel@redhat.com" , "chris.mason@oracle.com" , "linux-mm@kvack.org" Subject: Re: [PATCH 00/22] HWPOISON: Intro (v5) References: <20090615024520.786814520@intel.com> <4A35BD7A.9070208@linux.vnet.ibm.com> <20090615042753.GA20788@localhost> <20090615140019.4e405d37@lxorguk.ukuu.org.uk> <20090615132934.GE31969@one.firstfloor.org> <20090616194430.GA9545@sgi.com> In-Reply-To: <20090616194430.GA9545@sgi.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 959 Lines: 22 Russ Anderson wrote: > On Mon, Jun 15, 2009 at 03:29:34PM +0200, Andi Kleen wrote: >> I think you're wrong about killing processes decreasing >> reliability. Traditionally we always tried to keep things running if possible >> instead of panicing. > > Customers love the ia64 feature of killing a user process instead of > panicing the system when a user process hits a memory uncorrectable > error. Avoiding a system panic is a very good thing. Sometimes (sometimes it's a very bad thing.) However, the more fundamental thing is that it is always trivial to promote an error to a higher severity; the opposite is not true. As such, it becomes an administrator-set policy, which is what it needs to be. -hpa -- 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/