From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with ESMTP id 60B6A6B005A for ; Tue, 16 Jun 2009 16:34:54 -0400 (EDT) Message-ID: <4A380086.7020904@zytor.com> Date: Tue, 16 Jun 2009 13:28:54 -0700 From: "H. Peter Anvin" MIME-Version: 1.0 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: owner-linux-mm@kvack.org 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" List-ID: 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, 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/ . Don't email: email@kvack.org