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=-8.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 9E8D3C433E0 for ; Mon, 13 Jul 2020 23:59:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 876282184D for ; Mon, 13 Jul 2020 23:59:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726889AbgGMX7x (ORCPT ); Mon, 13 Jul 2020 19:59:53 -0400 Received: from mga01.intel.com ([192.55.52.88]:1426 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726617AbgGMX7w (ORCPT ); Mon, 13 Jul 2020 19:59:52 -0400 IronPort-SDR: jRdCxX3ddymZcPJEyNQvFvJOsYdGtlfDAzPZQSpm93aRHS9GyKIQ0RqDMWjh4ZkmFIi3Xcs7IU 4mRuNio582Ng== X-IronPort-AV: E=McAfee;i="6000,8403,9681"; a="166868034" X-IronPort-AV: E=Sophos;i="5.75,349,1589266800"; d="scan'208";a="166868034" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jul 2020 16:59:52 -0700 IronPort-SDR: qsq2yBxR10pHB8Lc3k1Zz2JLNOxTDE7i6V0nEudebYj9gL7zHColkwU/hLJQXtOdLFs3uUDg+9 ePL24yhzEo0w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,349,1589266800"; d="scan'208";a="269856299" Received: from ranerica-svr.sc.intel.com ([172.25.110.23]) by fmsmga008.fm.intel.com with ESMTP; 13 Jul 2020 16:59:52 -0700 Date: Mon, 13 Jul 2020 16:59:42 -0700 From: Ricardo Neri To: Brendan Shanks Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, x86@kernel.org, ebiederm@xmission.com, andi@notmuch.email, Babu.Moger@amd.com Subject: Re: [PATCH v5] x86/umip: Add emulation/spoofing for SLDT and STR instructions Message-ID: <20200713235942.GA28683@ranerica-svr.sc.intel.com> References: <20200710224525.21966-1-bshanks@codeweavers.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200710224525.21966-1-bshanks@codeweavers.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 10, 2020 at 03:45:25PM -0700, Brendan Shanks wrote: > Add emulation/spoofing of SLDT and STR for both 32- and 64-bit > processes. > > Wine users have found a small number of Windows apps using SLDT that > were crashing when run on UMIP-enabled systems. > > Reported-by: Andreas Rammhold > Originally-by: Ricardo Neri > Signed-off-by: Brendan Shanks FWIW, tested on hardware with UMIP. Reviewed-by: Ricardo Neri Tested-by: Ricardo Neri Thanks and BR, Ricardo