Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754278AbZK2Lox (ORCPT ); Sun, 29 Nov 2009 06:44:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754216AbZK2Lox (ORCPT ); Sun, 29 Nov 2009 06:44:53 -0500 Received: from mail.klingt.org ([86.59.21.178]:39023 "EHLO klingt.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754194AbZK2Low (ORCPT ); Sun, 29 Nov 2009 06:44:52 -0500 Message-ID: <4B125E8A.7020306@klingt.org> Date: Sun, 29 Nov 2009 12:44:10 +0100 From: Tim Blechmann User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.6pre) Gecko/20091127 Lightning/1.0pre Shredder/3.0.1pre MIME-Version: 1.0 To: Brian Gerst CC: Ingo Molnar , x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86, 64-bit: Set data segments to null after switching to 64-bit mode References: <73c1f2160911250753q6c64791exabd79e994b315076@mail.gmail.com> <1259165856-3512-1-git-send-email-brgerst@gmail.com> In-Reply-To: <1259165856-3512-1-git-send-email-brgerst@gmail.com> X-Enigmail-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig05165578737EB17F8C7F3761" X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.3.4 (klingt.org [86.59.21.178]); Sun, 29 Nov 2009 12:44:11 +0100 (CET) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1518 Lines: 46 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig05165578737EB17F8C7F3761 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 11/25/2009 05:17 PM, Brian Gerst wrote: > This prevents kernel threads from inheriting non-null segment selectors= , > and causing optimizations in __switch_to() to be ineffective. >=20 > Signed-off-by: Brian Gerst with this patch, the branch hint is actually correct, giving 100% correct predictions. so please revert my earlier patch (commit a3a1de0c34de6f5f8332cd6151c46af7813c0fcb) thnx, tim --=20 tim@klingt.org http://tim.klingt.org Desperation is the raw material of drastic change. Only those who can leave behind everything they have ever believed in can hope to escape. William S. Burroughs --------------enig05165578737EB17F8C7F3761 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAksSXooACgkQdL+4qsZfVsvT8gCfbN9ZFxhtUC0AvbqwdvlJinQH nosAn1UsNXW/Xt3FpKe9CgzNM0L8WtPw =YPxA -----END PGP SIGNATURE----- --------------enig05165578737EB17F8C7F3761-- -- 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/