From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752767Ab1KYIRx (ORCPT ); Fri, 25 Nov 2011 03:17:53 -0500 Received: from mx1.redhat.com ([209.132.183.28]:24776 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752465Ab1KYIRw (ORCPT ); Fri, 25 Nov 2011 03:17:52 -0500 Date: Fri, 25 Nov 2011 16:19:59 +0800 From: Dave Young To: ebiederm@xmission.com, kexec@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] kexec: do not call kmsg_dump in crashdump Message-ID: <20111125081959.GA2505@darkstar.nay.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org mtd/ram oops dumper will make more functions envolved. In case crash kexec, we should avoid kmsg dumper to ensure crashdump success. kill kmsg_dump callback while crash dumping Signed-off-by: Dave Young --- kernel/kexec.c | 2 -- 1 file changed, 2 deletions(-) --- linux-2.6.orig/kernel/kexec.c 2011-11-18 16:34:18.000000000 +0800 +++ linux-2.6/kernel/kexec.c 2011-11-24 16:05:08.138660500 +0800 @@ -1094,8 +1094,6 @@ void crash_kexec(struct pt_regs *regs) if (kexec_crash_image) { struct pt_regs fixed_regs; - kmsg_dump(KMSG_DUMP_KEXEC); - crash_setup_regs(&fixed_regs, regs); crash_save_vmcoreinfo(); machine_crash_shutdown(&fixed_regs);