From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755930AbbI3L41 (ORCPT ); Wed, 30 Sep 2015 07:56:27 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:56506 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755326AbbI3L4Z (ORCPT ); Wed, 30 Sep 2015 07:56:25 -0400 Date: Wed, 30 Sep 2015 13:55:48 +0200 From: Peter Zijlstra To: Hidehiro Kawai Cc: Jonathan Corbet , Ingo Molnar , "Eric W. Biederman" , "H. Peter Anvin" , Andrew Morton , Thomas Gleixner , Vivek Goyal , linux-doc@vger.kernel.org, x86@kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, Michal Hocko , Ingo Molnar , Masami Hiramatsu Subject: Re: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option Message-ID: <20150930115548.GI2881@worktop.programming.kicks-ass.net> References: <20150925112803.4258.94241.stgit@softrs> <20150925112811.4258.54494.stgit@softrs> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150925112811.4258.54494.stgit@softrs> User-Agent: Mutt/1.5.22.1 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 25, 2015 at 08:28:11PM +0900, Hidehiro Kawai wrote: > This patch introduces new boot option "noextnmi" which disables > external NMI. This option is useful for the dump capture kernel > so that an HA application or administrator wouldn't mistakenly > shoot down the kernel by NMI. So that they can get really stuck when the crash kernel crashes, right? ;-)