Received: by 2002:a25:e74b:0:0:0:0:0 with SMTP id e72csp1358685ybh; Mon, 13 Jul 2020 17:02:57 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzrgGN2SNpjUoEjrDW3mHgpLvmPRH3KRtWSPSvi6xusRs0ZswIMb9kQuA9tDM5lE0LLvEsW X-Received: by 2002:aa7:dacb:: with SMTP id x11mr1749293eds.280.1594684977257; Mon, 13 Jul 2020 17:02:57 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1594684977; cv=none; d=google.com; s=arc-20160816; b=cGIfDRWhmT+R8pVuqkM+Caz+uhX0aKzQXO5fAtvvou84QZvKU0vByT6E3ynb3dC8bC HgxJz6npadWsfTzFahYFSRGHjZ2mngQeUsVK87S+qs+/1Ow2VUncKIS8lXGaQQ86XTRV IxkWrDIn8N0um3LZm6rtkGc6Nd2/YekdJUEkVj9ROekKVpnB0ltRoqi1ACMWoy5+ZXUp cOmR1MlOXsncfeOr7i9/ZF6ztIEpHaE3timNCkHfBvNHHjEMGS+A90Z74tqdVXAeExwA zrTYFOBEcJi7tyPQOtrlBzG0aennhXy3enoD/T4uQWZC9rjVKGYE/Fkc3wmTK3YjM8uS GZVg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:ironport-sdr:ironport-sdr; bh=9J+6WX3tiS5K1zTy038ygS9s64ivFG3RJXOOoOyzRGg=; b=o3CiDTna4yJsCBG201GMxvvky+i6c0ZAOeWvbQ+i+lj9cv2CYawb2ow/3UsksNbquT d6dyfgorBgsrFdw3/C5ebVwd2iq0/WStP14GiKRv3Jb+BsFOVWvFny73elXsiAXE9vRy 3meCij/DQtWeb61wtG3nXVH+xToboynWATY/JMQ93yuMMIcgj+PQMb1yCiy24TsFNU2f HH0lx2xykCzUom4BJznqrQjGxRG0Bn782wsv8Cx/2FCPFDnQXQ2s8zQiQe3feVTBJ46c ACTPzvHDsA7t58qfRuvyfe1pI5cb8al4LwGB0GSlKTx+AraGcLsaX11VkwLlrfBoW5E7 zLEQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id l12si10193981ejn.435.2020.07.13.17.02.34; Mon, 13 Jul 2020 17:02:57 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726855AbgGMX7x (ORCPT + 99 others); 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