From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD5C7C282DA for ; Mon, 15 Apr 2019 20:07:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 839072075B for ; Mon, 15 Apr 2019 20:07:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729205AbfDOUHu (ORCPT ); Mon, 15 Apr 2019 16:07:50 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:40477 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728536AbfDOUHu (ORCPT ); Mon, 15 Apr 2019 16:07:50 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id BC81880317; Mon, 15 Apr 2019 22:07:39 +0200 (CEST) Date: Mon, 15 Apr 2019 22:07:47 +0200 From: Pavel Machek To: Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Jarkko Nikula , Andy Lutomirski , "Rafael J. Wysocki" , Thomas Gleixner , Borislav Petkov , Josh Poimboeuf , Linus Torvalds , Peter Zijlstra , "Rafael J. Wysocki" , Zhang Rui , Ingo Molnar , Sasha Levin Subject: Re: [PATCH 4.14 04/69] x86/power/32: Move SYSENTER MSR restoration to fix_processor_context() Message-ID: <20190415200747.GC25908@amd> References: <20190415183726.036654568@linuxfoundation.org> <20190415183727.431075450@linuxfoundation.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="B4IIlcmfBL/1gGOG" Content-Disposition: inline In-Reply-To: <20190415183727.431075450@linuxfoundation.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --B4IIlcmfBL/1gGOG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon 2019-04-15 20:58:22, Greg Kroah-Hartman wrote: > [ Upstream commit 896c80bef4d3b357814a476663158aaf669d0fb3 ] >=20 > x86_64 restores system call MSRs in fix_processor_context(), and > x86_32 restored them along with segment registers. The 64-bit > variant makes more sense, so move the 32-bit code to match the > 64-bit code. >=20 > No side effects are expected to runtime behavior. Again, this is cleanup, not a bugfix. Pavel =09 --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --B4IIlcmfBL/1gGOG Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAly05JMACgkQMOfwapXb+vIsCwCeIbYgP+sW+IsNPVbawFZOvsTk 9bwAoKd0+XOD++SsxxlE/SHWckpB5Y48 =5Rz3 -----END PGP SIGNATURE----- --B4IIlcmfBL/1gGOG--