From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932139AbWFFJgW (ORCPT ); Tue, 6 Jun 2006 05:36:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932140AbWFFJgW (ORCPT ); Tue, 6 Jun 2006 05:36:22 -0400 Received: from mailgw3.ericsson.se ([193.180.251.60]:6376 "EHLO mailgw3.ericsson.se") by vger.kernel.org with ESMTP id S932139AbWFFJgV (ORCPT ); Tue, 6 Jun 2006 05:36:21 -0400 Message-ID: <44854C8D.6040707@ericsson.com> Date: Tue, 06 Jun 2006 11:36:13 +0200 From: Preben Traerup User-Agent: Mozilla Thunderbird 0.8 (X11/20040913) X-Accept-Language: en-us, en MIME-Version: 1.0 To: "Eric W. Biederman" CC: "Akiyama, Nobuyuki" , fastboot@lists.osdl.org, linux-kernel@vger.kernel.org, Vivek Goyal Subject: Re: [Fastboot] [RFC][PATCH] Add missing notifier before crashing References: <20060530183359.a8d5d736.akiyama.nobuyuk@jp.fujitsu.com> <20060530145658.GC6536@in.ibm.com> <20060531182045.9db2fac9.akiyama.nobuyuk@jp.fujitsu.com> <20060531154322.GA8475@in.ibm.com> <20060601213730.dc9f1ec4.akiyama.nobuyuk@jp.fujitsu.com> <20060601151605.GA7380@in.ibm.com> <20060602141301.cdecf0e1.akiyama.nobuyuk@jp.fujitsu.com> <44800E1A.1080306@ericsson.com> <44803B1F.8070302@ericsson.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 06 Jun 2006 09:36:19.0648 (UTC) FILETIME=[AA6DCC00:01C6894C] X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Eric W. Biederman wrote: >Preben Traerup writes: > > > > > >>Since I'm apperantly not the only one left with this choice I rather prefer a >>solution >>made in public, that is known to be "bad" in some (well known) situations than >>each and everybody implements their own solution to the same problem. >> >> > >It is certainly worth discussing. > >Eric > > > To handle the contradiction of adding crash notifier to kexec and maintaining kexec reliability I suggest adding a flag to Kconfig ENABLE_CRASH_NOTIFIER This removes any code in the critical path for people not needing crash notification. Whatever could/should be implemented under this flag, see elsewhere in this thread ./Preben