Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753621Ab0KITJV (ORCPT ); Tue, 9 Nov 2010 14:09:21 -0500 Received: from mail-yx0-f174.google.com ([209.85.213.174]:64812 "EHLO mail-yx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752361Ab0KITJT (ORCPT ); Tue, 9 Nov 2010 14:09:19 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; b=bmH6jZBOpyyejjwGNWi7txPoWmpb2AyMUOi9zogrRk85CH3K9CLWJoG5cKH4NzU94P ut5GS2z4xdyEhGG3IA5uDhYtwQB0yUEgD4zb08/DlNXF83CGohO9bnIB3eLw0A54lXIu wEAEHBXIhUDfGWb7i2zwOUDd2Zlt3I9vl31Gk= MIME-Version: 1.0 In-Reply-To: <20101109181525.GH5876@outflux.net> References: <20101109181157.GE5876@outflux.net> <20101109181525.GH5876@outflux.net> Date: Tue, 9 Nov 2010 21:09:18 +0200 X-Google-Sender-Auth: dZIZ9JbL6E63sqAE2XFnDH8d8bY Message-ID: Subject: Re: [PATCH 3/4] x86: call verify_cpu during 32bit CPU startup From: Pekka Enberg To: Kees Cook Cc: x86@kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 594 Lines: 13 On Tue, Nov 9, 2010 at 8:15 PM, Kees Cook wrote: > The XD_DISABLE-clearing side-effect needs to happen on 32bit CPU > start-up as well. > > Signed-off-by: Kees Cook The patch description here is pretty damn terse. Why do we need the clearing for? Does not clearing XD_DISABLE cause some problem? -- 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/