From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CBF79C2BB1D for ; Sun, 15 Mar 2020 07:15:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9CFEE206E9 for ; Sun, 15 Mar 2020 07:15:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="L6fKCEN+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727798AbgCOHPr (ORCPT ); Sun, 15 Mar 2020 03:15:47 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:49192 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727772AbgCOHPg (ORCPT ); Sun, 15 Mar 2020 03:15:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To: Subject:Sender:Reply-To:Content-ID:Content-Description; bh=phGgUD/C0rx6Tdcw5DJKLr+6MasVhZ3Np5rvjUD+KGQ=; b=L6fKCEN+SX+sDYWAE3hu1v7BrN yxWyAdL/8FZkLpimZv5pSIA+EXhNg6NaP+rlPS/HXpwSg2m7FHGLRBqabyNOJE1DDGO6ZUvlZDExL NUnku2vDlAl5+Niizloee7lEGEFU/tNbazBuJmO4ccHFIVFhWWrb7uIZx44yinfRstX+lWUMDFbWt lXFO/nyoJsX8fDkA6f69ok7Mep/WlWyfw5/Cjo9+YgHm40Rerndgoa9JhaiLgk8W+CfFYSaf8Fv0n 5JO0xMVslkyjXv+0qJqmpAHFOzlk5rm8Nys59Pz2kUFLfme9NBX1YnBt2cZCE4SDOdvq56C9A9NpV nO41PclA==; Received: from [2601:1c0:6280:3f0::19c2] by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jDEAq-0002wG-If; Sat, 14 Mar 2020 21:18:24 +0000 Subject: Re: [PATCH] panic: Add sysctl/cmdline to dump all CPUs backtraces on oops event To: Matthew Wilcox Cc: "Guilherme G. Piccoli" , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, mcgrof@kernel.org, keescook@chromium.org, yzaikin@google.com, tglx@linutronix.de, akpm@linux-foundation.org, kernel@gpiccoli.net References: <20200310163700.19186-1-gpiccoli@canonical.com> <93f20e59-41b1-48ad-b0eb-e670b18994d5@infradead.org> <20200314142820.GQ22433@bombadil.infradead.org> From: Randy Dunlap Message-ID: <43c0e375-6ed1-6a4e-1d61-c0255bf94f26@infradead.org> Date: Sat, 14 Mar 2020 14:18:23 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200314142820.GQ22433@bombadil.infradead.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On 3/14/20 7:28 AM, Matthew Wilcox wrote: > On Tue, Mar 10, 2020 at 01:59:15PM -0700, Randy Dunlap wrote: >>> +oops_all_cpu_backtrace: >>> +================ >>> + >>> +Determines if kernel should NMI all CPUs to dump their backtraces when >> >> I would much prefer that to be written without using NMI as a verb. > > Concrete suggestion: "If this option is set, the kernel will send an NMI to > all CPUs to dump ..." > Ack. Thanks for that. -- ~Randy