From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752292AbbGNB0P (ORCPT ); Mon, 13 Jul 2015 21:26:15 -0400 Received: from out02.mta.xmission.com ([166.70.13.232]:50678 "EHLO out02.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751741AbbGNB0N (ORCPT ); Mon, 13 Jul 2015 21:26:13 -0400 From: ebiederm@xmission.com (Eric W. Biederman) To: dwalker@fifo99.com Cc: Hidehiro Kawai , Andrew Morton , Vivek Goyal , linux-mips@linux-mips.org, Baoquan He , linux-sh@vger.kernel.org, linux-s390@vger.kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, Ingo Molnar , HATAYAMA Daisuke , Masami Hiramatsu , linuxppc-dev@lists.ozlabs.org, linux-metag@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20150710113331.4368.10495.stgit@softrs> <20150710113331.4368.63745.stgit@softrs> <87wpy82kqf.fsf@x220.int.ebiederm.org> <20150713202611.GA16525@fifo99.com> Date: Mon, 13 Jul 2015 20:19:45 -0500 In-Reply-To: <20150713202611.GA16525@fifo99.com> (dwalker@fifo99.com's message of "Mon, 13 Jul 2015 20:26:11 +0000") Message-ID: <87h9p7r0we.fsf@x220.int.ebiederm.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-XM-AID: U2FsdGVkX1+FD7+8LZcDabzlAKJqpFB6WaD4DnK0xEA= X-SA-Exim-Connect-IP: 67.3.205.90 X-SA-Exim-Mail-From: ebiederm@xmission.com X-Spam-Report: * -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP * 0.0 TVD_RCVD_IP Message was received from an IP address * 0.5 XMGappySubj_01 Very gappy subject * 1.5 XMNoVowels Alpha-numberic number with no vowels * 0.7 XMSubLong Long Subject * 0.0 T_TM2_M_HEADER_IN_MSG BODY: T_TM2_M_HEADER_IN_MSG * 0.8 BAYES_50 BODY: Bayes spam probability is 40 to 60% * [score: 0.5000] * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa03 1397; Body=1 Fuz1=1 Fuz2=1] * 0.0 T_TooManySym_01 4+ unique symbols in subject X-Spam-DCC: XMission; sa03 1397; Body=1 Fuz1=1 Fuz2=1 X-Spam-Combo: **;dwalker@fifo99.com X-Spam-Relay-Country: X-Spam-Timing: total 445 ms - load_scoreonly_sql: 0.06 (0.0%), signal_user_changed: 6 (1.3%), parse: 1.30 (0.3%), extract_message_metadata: 13 (2.9%), get_uri_detail_list: 1.73 (0.4%), tests_pri_-1000: 11 (2.5%), tests_pri_-950: 2 (0.5%), tests_pri_-900: 1.63 (0.4%), tests_pri_-400: 29 (6.6%), check_bayes: 28 (6.2%), tests_pri_0: 369 (83.0%), tests_pri_500: 7 (1.5%), rewrite_mail: 0.00 (0.0%) Subject: Re: [PATCH 1/3] panic: Disable crash_kexec_post_notifiers if kdump is not available X-Spam-Flag: No X-SA-Exim-Version: 4.2.1 (built Wed, 24 Sep 2014 11:00:52 -0600) X-SA-Exim-Scanned: Yes (on in02.mta.xmission.com) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org dwalker@fifo99.com writes: > On Fri, Jul 10, 2015 at 08:41:28AM -0500, Eric W. Biederman wrote: >> Hidehiro Kawai writes: >> >> > You can call panic notifiers and kmsg dumpers before kdump by >> > specifying "crash_kexec_post_notifiers" as a boot parameter. >> > However, it doesn't make sense if kdump is not available. In that >> > case, disable "crash_kexec_post_notifiers" boot parameter so that >> > you can't change the value of the parameter. >> >> Nacked-by: "Eric W. Biederman" > > I think it would make sense if he just replaced "kdump" with "kexec". It would be less insane, however it still makes no sense as without kexec on panic support crash_kexec is a noop. So the value of the seeting makes no difference. Eric