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=0.3 required=3.0 tests=DATE_IN_PAST_12_24, DKIM_INVALID,DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 95BA3C2BB1D for ; Sun, 15 Mar 2020 07:15:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6C509206E9 for ; Sun, 15 Mar 2020 07:15:46 +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="MMrIUEuz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727444AbgCOHPm (ORCPT ); Sun, 15 Mar 2020 03:15:42 -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 S1727670AbgCOHPj (ORCPT ); Sun, 15 Mar 2020 03:15:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=vXc/c+ZKh3wHtb2Dc8YCwaJA//JT5SbM6lXWpvbO8AQ=; b=MMrIUEuzJ7ebjTc9V9Nlnb76n0 gQrqIhRup7osiVRCct3KlZzlmrOFKYJxstp2o1tjF3yAPe8ZyKFXgO39+HEDxPtq2/PLVf4szDnR6 MuOTnbvBlbW0Y2wo/hBY7h8tnd1A36QjFiqympgUhuAHsqAXzi+ei527pdTvx7CX9WwjMjB+gZXJA GhEMuXocBMYfmbtVOX38t+8rjoz3QLRW+2Qoal6G+OZ8ARmYbIBSh9MJ5aMR6a7EYgWRvwyOKGVdZ yQ+KWxKa3J6dehD/ZDl5VZ8FUByCU+tm8d8x+J2AQ1yGLjODsbO7HgyX1UB0F2eJQMtcUCyBK0zYK 10/F1sIA==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jD7m0-0001K0-MD; Sat, 14 Mar 2020 14:28:20 +0000 Date: Sat, 14 Mar 2020 07:28:20 -0700 From: Matthew Wilcox To: Randy Dunlap 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 Subject: Re: [PATCH] panic: Add sysctl/cmdline to dump all CPUs backtraces on oops event Message-ID: <20200314142820.GQ22433@bombadil.infradead.org> References: <20200310163700.19186-1-gpiccoli@canonical.com> <93f20e59-41b1-48ad-b0eb-e670b18994d5@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <93f20e59-41b1-48ad-b0eb-e670b18994d5@infradead.org> Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org 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 ..."