From owner-freebsd-current@freebsd.org Thu Jan 4 18:25:54 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id F071CEABFE0 for ; Thu, 4 Jan 2018 18:25:54 +0000 (UTC) (envelope-from k@7he.at) Received: from smtp-02.sil.at (smtp-02-5.sil.at [78.142.186.6]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A875877E0F for ; Thu, 4 Jan 2018 18:25:54 +0000 (UTC) (envelope-from k@7he.at) Received: from mx.7he.at ([86.59.13.138]) by smtp-02.sil.at with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1eXAD9-0002Ew-97 for freebsd-current@freebsd.org; Thu, 04 Jan 2018 19:25:51 +0100 Received: from [192.168.6.60] ([93.83.242.219]) by mx.7he.at (8.15.2/8.15.2) with ESMTPS id w04IPoCf082164 (version=TLSv1.2 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Thu, 4 Jan 2018 19:25:50 +0100 (CET) (envelope-from k@7he.at) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.99.2 at mx.7he.at Subject: Re: Intel CPU design flaw - FreeBSD affected? // disabling _R_DTSC From: "Klaus P. Ohrhallinger" To: freebsd-current@freebsd.org References: <9dda0496-be16-35c6-6c45-63d03b218ccb@protected-networks.net> <18376c97-3c0d-49c8-9483-96b95a84f3f1@7he.at> Message-ID: <52b2f48c-332c-8984-838f-4902da0ebc81@7he.at> Date: Thu, 4 Jan 2018 19:25:56 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: <18376c97-3c0d-49c8-9483-96b95a84f3f1@7he.at> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=1.5 required=5.0 tests=HELO_MISC_IP,RDNS_NONE autolearn=no autolearn_force=no version=3.4.1 X-Spam-Level: * X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on mx.7he.at X-Scan-Signature: a358776562af27d729c379ba6e4ac908 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Jan 2018 18:25:55 -0000 On 04.01.2018 19:23, Klaus P. Ohrhallinger wrote: > Hello, > > I disabled the ldtsc and ldtscp instructions for usermode on one of my > production servers: > Oops, RDTSC of course.