From owner-freebsd-current@freebsd.org Wed Jan 3 00:19:55 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 A3D75E8268E for ; Wed, 3 Jan 2018 00:19:55 +0000 (UTC) (envelope-from cy.schubert@komquats.com) Received: from smtp-out-no.shaw.ca (smtp-out-no.shaw.ca [64.59.134.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "Client", Issuer "CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 799BB7A46E for ; Wed, 3 Jan 2018 00:19:55 +0000 (UTC) (envelope-from cy.schubert@komquats.com) Received: from spqr.komquats.com ([96.50.22.10]) by shaw.ca with ESMTPA id WWmbeqoKGYy1iWWmdeNmsZ; Tue, 02 Jan 2018 17:19:53 -0700 X-Authority-Analysis: v=2.2 cv=f8g4PK6M c=1 sm=1 tr=0 a=jvE2nwUzI0ECrNeyr98KWA==:117 a=jvE2nwUzI0ECrNeyr98KWA==:17 a=RgaUWeydRksA:10 a=D19gQVrFAAAA:8 a=YxBL1-UpAAAA:8 a=6I5d2MoRAAAA:8 a=zxA2vyXaAAAA:8 a=DjmawdlsAAAA:8 a=7_L7dAYydk1ZARjlEjIA:9 a=rwgfiOSe-ZWq3uYu:21 a=7vCVVMijtMd7Exd9:21 a=QEXdDO2ut3YA:10 a=5wbvVQt16wSoSp6GMG0A:9 a=zQO9_-0KBcOaqJae:21 a=ohmKH1GSGUTl60CL:21 a=1zlxYZcvTtwue11F:21 a=_W_S_7VecoQA:10 a=W4TVW4IDbPiebHqcZpNg:22 a=Ia-lj3WSrqcvXOmTRaiG:22 a=IjZwj45LgO3ly-622nXo:22 a=nK2txNHJmq7TfjpuLlwI:22 a=9WNRskb1zeeanTosM84Z:22 Received: from [25.172.217.252] (S0106d4ca6d8943b0.gv.shawcable.net [70.66.132.207]) by spqr.komquats.com (Postfix) with ESMTPSA id 6AF4F2C9; Tue, 2 Jan 2018 16:19:49 -0800 (PST) MIME-Version: 1.0 From: Cy Schubert Subject: RE: Intel CPU design flaw - FreeBSD affected? Date: Tue, 2 Jan 2018 16:20:00 -0800 To: Warner Losh , Michael Butler CC: FreeBSD Current Message-Id: <20180103001949.6AF4F2C9@spqr.komquats.com> X-CMAE-Envelope: MS4wfOZwIkIztMI0ALwhp4uD3fj2c4QhTpZ2VScJwpnv3pf6K0MdqT0yMFC2wo4I0o8S+npwicB75fY4uakIyi5E0pPE4ZKuzEG2dVAbbKxus/kXCa/mi2xi 7cTibobhCleaRjd4WKfpF5q2yjeG5FJAQpX1Eek0EqHO3o96KI3Y0zDOElMzIvbLQHAyp7R74YM2ZcVILY1GcmsjxaxBI0UuRtsRMw1nMWAPxJS+nvQi3gxp Xg0VMUdkcmxCG7nfuupsmcAbGmUJMyTEDKyJlAcBLU0= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.25 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: Wed, 03 Jan 2018 00:19:55 -0000 This Linux commit gives us a hint. https://lkml.org/lkml/2017/12//27/2 --- Sent using a tiny phone keyboard. Apologies for any typos and autocorrect. Also, this old phone only supports top post. Apologies. Cy Schubert or The need of the many outweighs the greed of the few. --- -----Original Message----- From: Warner Losh Sent: 02/01/2018 16:05 To: Michael Butler Cc: FreeBSD Current Subject: Re: Intel CPU design flaw - FreeBSD affected? The register article says the specifics are under embargo still. That would= =0A= make it hard for anybody working with Intel to comment publicly on the flaw= =0A= and any mitigations that may be underway. It would be unwise to assume that= =0A= all the details are out until the embargo lifts.=0A= =0A= Warner=0A= =0A= On Jan 2, 2018 4:13 PM, "Michael Butler" wrote= :=0A= =0A= > Has any impact assessment been made as to FreeBSD's exposure or=0A= > mitigation strategies?=0A= >=0A= > 'Kernel memory leaking' Intel processor design flaw forces Linux,=0A= > Windows redesign - The Register=0A= >=0A= > Other OSes will need an update, performance hits loom A fundamental=0A= > design flaw in Intel's processor chips has forced a significant redesign= =0A= > of the Linux and Windows kernels to defang the chip-level security bug.= =E2=80=A6=0A= > Programmers are scrambling to overhaul the open-source Linux kernel's=0A= > virtual memory system. Meanwhile, Microsoft is expected to publicly=0A= > introduce necessary changes to its Windows operating system in this=0A= > month's Patch Tuesday ...=0A= >=0A= > https://www.theregister.co.uk/2018/01/02/intel_cpu_design_flaw/=0A= >=0A= > imb=0A= >=0A= > _______________________________________________=0A= > freebsd-current@freebsd.org mailing list=0A= > https://lists.freebsd.org/mailman/listinfo/freebsd-current=0A= > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org= "=0A= >=0A= _______________________________________________=0A= freebsd-current@freebsd.org mailing list=0A= https://lists.freebsd.org/mailman/listinfo/freebsd-current=0A= To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"= =0A=