From owner-freebsd-questions@freebsd.org Wed Jan 10 18:01:12 2018 Return-Path: Delivered-To: freebsd-questions@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 C8BB1E6BA43 for ; Wed, 10 Jan 2018 18:01:12 +0000 (UTC) (envelope-from freebsd@edvax.de) Received: from mout.kundenserver.de (mout.kundenserver.de [217.72.192.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "mout.kundenserver.de", Issuer "TeleSec ServerPass DE-2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 29307823FB for ; Wed, 10 Jan 2018 18:01:11 +0000 (UTC) (envelope-from freebsd@edvax.de) Received: from r56.edvax.de ([92.195.18.98]) by mrelayeu.kundenserver.de (mreue105 [212.227.15.183]) with ESMTPA (Nemesis) id 0M1ohG-1esefZ1KAM-00tgTu; Wed, 10 Jan 2018 18:55:55 +0100 Date: Wed, 10 Jan 2018 18:55:55 +0100 From: Polytropon To: Arthur Chance Cc: Dave B , freebsd-questions@freebsd.org Subject: Re: 32 bit fix? (Was Re: Meltdown =?UTF-8?Q?=E2=80=93?= Spectre) Message-Id: <20180110185555.99326d8d.freebsd@edvax.de> In-Reply-To: <49785edc-1ac4-48f3-bff0-19704dadc70b@qeng-ho.org> References: <2e86bfd9-9141-2872-1946-0e9d26326433@googlemail.com> <6523f352-c895-e488-8006-76495907745a@googlemail.com> <49785edc-1ac4-48f3-bff0-19704dadc70b@qeng-ho.org> Reply-To: Polytropon Organization: EDVAX X-Mailer: Sylpheed 3.1.1 (GTK+ 2.24.5; i386-portbld-freebsd8.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:WcO2+BXVg+ZvgAgZX0rHOBEspGAhFPPzLnaAKIneQtXPrT8XpOU r4/yHrCMug3Izk1kkF1SBvgGUTUEV2xlJ+1ytFZtN3d7meGChhvYepT1jsPj0krqWPb4wzr vNxcjRrNPKUNxYMu1DY9NO8sNvjKo6SfBNj7EaxAhNzvkOEIYU1QnT/I6a0ZlQNH5u/iS3+ V+l7o5mpY1mHqAt5U85Jw== X-UI-Out-Filterresults: notjunk:1;V01:K0:ysHXu+sipj0=:mXWVhxpbFR0T5nL2Nrtbi5 bKT+NpJ4NBU4nc6FDS33cwpubdNdjihrvmIzm86C3J+hhBIQI8u+tyVnx3CgyfJTkS0hLRS1z XRcnQG8xOA1IqpIQ0DIxRgMCibby9pu18BUBfJXywgTtMSQnUuhgwofaQeDe1uDKXd2pQIUuy TtR4H7p0oPAPq+wJ/+fqfMd5OCxqFzatr0FdgcMb5YjF0ZrYTWdGq4fqOmLYDQU6/jSk1lQa+ 8ZjdQXxBeOvOFetHngY0fUoIhB5Xj6EX1Or0V/hGj2BIdwh6EtjtyHk/lE0OOjqQSfiXhz9sk RWRrXJ69ESnFBFZvq5gvm57Fws8GjeAmshUWJApEjlSzTnbhd2lSYG9MFcSOCKVVjhw7AWKAg qh4VJZZ/lmrPyoPNXPZlCCIP4CdKpsiqdwEhf7gi6WxVkKopF/INC1FFZgkjUhgkkb549sEPV CRyCzZvMVbaOulspnmOqj/A1fcl/MZQi5IdYVoIgg3vwOo85mBjICR5I1+sAecj5on3DhBugK /K8XCj08QBAmkIfjCdp19Fy+BOhnWLXFjDYbazdyXIzDC6FEqE9sjYLi60YxN9W+GgdZML8nt g/g6IfoZ1+uSWi5OAcD5O5cUQsxV/qmwsGjeGY1ZdYMU9u+KastHlSu7g35+8fwxYmGmuZHZt qCblrR9nz7HovmxDjD3nre9fmdsY2Ftc3tE84NYV3lu/mOeYL8e837lEhkQZVQYncl2Wp4FZz cL6dqM4aYQywodK1VGD6OCLHXffj4Jl3sD1pGuWeu1E4LUIdj2nCkcA02yQ= X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Jan 2018 18:01:12 -0000 On Wed, 10 Jan 2018 11:23:43 +0000, Arthur Chance wrote: > I can't find the article I was reading right now, but it said Intel > chips became vulnerable when the Westmere architecture (the 32 nm > version of Nehalem) was introduced back in 2010. That was the early days > of the Core i[357] CPUs, so Core and Core 2 CPUs are probably too old to > be affected. I'm not entirely sure about that. As we're basically talking about two types of vulnerability here, I seem to remember that one of them also affects "old enough" CPUs from the Pentium 4 era (before Core), in other words, when "HyperThreading" or "HT Technology" arrived in Intel chips. But I'm not convenced that I remember correctly. Further investigation should help. :-) -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...