From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752529AbdK2TTL (ORCPT ); Wed, 29 Nov 2017 14:19:11 -0500 Received: from mx2.suse.de ([195.135.220.15]:58040 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751958AbdK2TTK (ORCPT ); Wed, 29 Nov 2017 14:19:10 -0500 Date: Wed, 29 Nov 2017 20:19:02 +0100 From: Borislav Petkov To: "H. Peter Anvin" Cc: "Kirill A. Shutemov" , Thomas Gleixner , "Kirill A. Shutemov" , Ingo Molnar , x86@kernel.org, Linus Torvalds , Andy Lutomirski , Cyrill Gorcunov , Andi Kleen , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCHv2 0/4] x86: 5-level related changes into decompression code Message-ID: <20171129191902.2iamm3m23e3gwnj4@pd.tnic> References: <20171110220645.59944-1-kirill.shutemov@linux.intel.com> <20171129154908.6y4st6xc7hbsey2v@pd.tnic> <20171129161349.d7ksuhwhdamloty6@node.shutemov.name> <20171129170831.2iqpop2u534mgrbc@node.shutemov.name> <20171129174851.jk2ai37uumxve6sg@pd.tnic> <793b9c55-e85b-97b5-c857-dd8edcda4081@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <793b9c55-e85b-97b5-c857-dd8edcda4081@zytor.com> User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 29, 2017 at 11:01:35AM -0800, H. Peter Anvin wrote: > We can hang the machine, or we can triple-fault it in the hope of > triggering a reset, and that way if the bootloader has been configured > with a backup kernel there is a hope of recovery. Well, it triple-faults right now and that's not really user-friendly. If we can't dump a message than we should make X86_5LEVEL depend on BROKEN for the time being... -- Regards/Gruss, Boris. SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --