Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751658AbaFDWy6 (ORCPT ); Wed, 4 Jun 2014 18:54:58 -0400 Received: from terminus.zytor.com ([198.137.202.10]:37164 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751000AbaFDWy5 (ORCPT ); Wed, 4 Jun 2014 18:54:57 -0400 Message-ID: <538FA332.4000602@zytor.com> Date: Wed, 04 Jun 2014 15:52:34 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Borislav Petkov CC: linux-kernel@vger.kernel.org, mingo@kernel.org, ricardo.neri-calderon@linux.intel.com, tglx@linutronix.de, matt.fleming@intel.com, linux-tip-commits@vger.kernel.org Subject: Re: [tip:x86/efi] x86/efi: Check for unsafe dealing with FPU state in irq ctxt References: <538F9AFA.5050806@zytor.com> <20140604224920.GB4126@pd.tnic> In-Reply-To: <20140604224920.GB4126@pd.tnic> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/04/2014 03:49 PM, Borislav Petkov wrote: > On Wed, Jun 04, 2014 at 03:17:30PM -0700, H. Peter Anvin wrote: >> I seem to have lost track of this... does this actually solve >> anything, or does it just mean we'll explode hard? > > Not that hard - it'll warn once only. > > AFAIR, the discussion stalled but we were going in the direction of not > calling into efi from pstore in irq context. > > I'd say we drop this until we have a proper solution. > Works for me. -hpa -- 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/