Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753013AbbBYKiG (ORCPT ); Wed, 25 Feb 2015 05:38:06 -0500 Received: from mail.skyhub.de ([78.46.96.112]:38001 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752239AbbBYKiE (ORCPT ); Wed, 25 Feb 2015 05:38:04 -0500 Date: Wed, 25 Feb 2015 11:37:01 +0100 From: Borislav Petkov To: Andy Lutomirski Cc: Denys Vlasenko , Oleg Nesterov , Rik van Riel , X86 ML , Linux Kernel Mailing List Subject: Re: [RFC PATCH] x86, fpu: Use eagerfpu by default on all CPUs Message-ID: <20150225103701.GA3226@pd.tnic> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 623 Lines: 18 On Tue, Feb 24, 2015 at 04:07:07PM -0800, Andy Lutomirski wrote: > I'd prefer a different partial solution: encourage everyone to clear > the xstate before making syscalls (using e.g. vzeroall). In fact, > maybe user code should aggressively clear newly-unused xstate. We don't trust userspace. -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. -- -- 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/