Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751198AbaBBB0a (ORCPT ); Sat, 1 Feb 2014 20:26:30 -0500 Received: from terminus.zytor.com ([198.137.202.10]:37392 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750846AbaBBB02 (ORCPT ); Sat, 1 Feb 2014 20:26:28 -0500 Message-ID: <52ED9EA9.7080009@zytor.com> Date: Sat, 01 Feb 2014 17:26:01 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Suresh Siddha , Linus Torvalds CC: Nate Eldredge , Thomas Gleixner , Ingo Molnar , the arch/x86 maintainers , stable , Linux Kernel Mailing List , Maarten Baert , Jan Kara , George Spelvin , Pekka Riikonen Subject: Re: [PATCH] Make math_state_restore() save and restore the interrupt flag References: In-Reply-To: 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 02/01/2014 05:06 PM, Suresh Siddha wrote: > > so I will Ack for option "b", as option "a" breaks the features which > don't take into account cr0.TS. > Even "b" does that, no? "a" should be fine as long as we don't ever use those features in the kernel, even under kernel_fpu_begin/end(). > Meanwhile I have the patch removing the delayed dynamic allocation for > non-eager fpu. will post it after some testing. Thanks. -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/