From owner-freebsd-stable@FreeBSD.ORG Wed Mar 7 18:03:02 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 92847106566C for ; Wed, 7 Mar 2012 18:03:02 +0000 (UTC) (envelope-from andy@fud.org.nz) Received: from mail-gy0-f182.google.com (mail-gy0-f182.google.com [209.85.160.182]) by mx1.freebsd.org (Postfix) with ESMTP id 56F738FC14 for ; Wed, 7 Mar 2012 18:03:02 +0000 (UTC) Received: by ghrr20 with SMTP id r20so3535242ghr.13 for ; Wed, 07 Mar 2012 10:03:01 -0800 (PST) MIME-Version: 1.0 Received: by 10.50.154.200 with SMTP id vq8mr2548788igb.14.1331141655537; Wed, 07 Mar 2012 09:34:15 -0800 (PST) Sender: andy@fud.org.nz Received: by 10.231.28.225 with HTTP; Wed, 7 Mar 2012 09:34:15 -0800 (PST) In-Reply-To: <4F5785D0.4010708@denninger.net> References: <4F577A24.9030307@denninger.net> <1331135702.32194.23.camel@revolution.hippie.lan> <4F5785D0.4010708@denninger.net> Date: Thu, 8 Mar 2012 06:34:15 +1300 X-Google-Sender-Auth: EQQnzLeyyOvFQbKPD4JImvYiD1k Message-ID: From: Andrew Thompson To: Karl Denninger Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Gm-Message-State: ALoCoQlpssyS76vzcB3pIVrBZxSNezxIgBhTyFLWC3lPimS667VQqRcJghQt6Zd8KUmDhjDpy8BW Cc: Ian Lepore , freebsd-stable@freebsd.org Subject: Re: Xeon Processors with AES instructions and geli encryption X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Mar 2012 18:03:02 -0000 FYI, there is a bug in 8.2 for 256b keys and was fixed in 8.2-stable. You may want to apply the fix if it causes you issues. http://www.FreeBSD.org/cgi/query-pr.cgi?pr=3D155118 Andrew On 8 March 2012 04:59, Karl Denninger wrote: > Thanks; the machines in question are on 8.2, so this sounds pretty good. > > On 3/7/2012 9:55 AM, Ian Lepore wrote: >> On Wed, 2012-03-07 at 09:09 -0600, Karl Denninger wrote: >>> Does the crypto(9) framework recognize and use these instructions? >>> Looks like the Windmere-series Xeons will drop into my system boards; I >>> gain two cores per CPU at the same time, so I'll go from an 8-way SMP >>> system to a 12-way one. >>> >>> I am considering spending the money to upgrade a couple of servers here >>> that run geli-encrypted disks, as during heavy I/O they spend a LOT of >>> their CPU time on the disk encryption. =A0The differences I see in the = use >>> of TrueCrypt on Windows machines that have AES instructions .vs. those >>> that do not are very significant and I'm curious if this carries over t= o >>> FreeBSD. >>> >>> Thanks in advance! >>> >> It looks like it does as of 8.2 when the aesni driver was added. >> >> -- Ian >> >> >> _______________________________________________ >> freebsd-stable@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-stable >> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org= " >> >> >> %SPAMBLOCK-SYS: Matched [@freebsd.org+], message ok > > -- > -- Karl Denninger > /The Market Ticker =AE/ > Cuda Systems LLC > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"