Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756405AbbKRRAS (ORCPT ); Wed, 18 Nov 2015 12:00:18 -0500 Received: from relay3.sgi.com ([192.48.152.1]:44680 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753412AbbKRRAP (ORCPT ); Wed, 18 Nov 2015 12:00:15 -0500 Date: Wed, 18 Nov 2015 11:00:13 -0600 From: Alex Thorlton To: Borislav Petkov Cc: Ingo Molnar , Alex Thorlton , linux-kernel@vger.kernel.org, Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Hedi Berriche , Dimitri Sivanich , x86@kernel.org, linux-efi@vger.kernel.org, matt@codeblueprint.co.uk Subject: Re: [PATCH 1/2] Remove EFI memmap quirk for UV Message-ID: <20151118170013.GD161386@asylum.americas.sgi.com> References: <1447696781-159611-1-git-send-email-athorlton@sgi.com> <20151117193258.GB9374@pd.tnic> <20151118015630.GC161386@asylum.americas.sgi.com> <20151118080047.GA22813@gmail.com> <20151118092315.GB4138@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151118092315.GB4138@pd.tnic> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1011 Lines: 22 On Wed, Nov 18, 2015 at 10:23:16AM +0100, Borislav Petkov wrote: > On Wed, Nov 18, 2015 at 09:00:47AM +0100, Ingo Molnar wrote: > > We should at least check the BIOS version via a DMI quirk and panic in some nicely > > informative 'upgrade your BIOS!' way to ease the transition ... > > Or since we're touching BIOS anyway, maybe stick a bit somewhere which > says "EFI is fixed/quirk not needed anymore" when set and software can > check that bit instead of checking BIOS versions... After talking through this with Russ, we agree that we should fix this up to play nice on UV1, without users needing to add the memmap quirk to the command line. I'll figure out which check we need to make and spin another version. Thanks for looking over this, guys! - Alex -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/