From owner-freebsd-rc@FreeBSD.ORG Wed Sep 12 14:43:55 2012 Return-Path: Delivered-To: freebsd-rc@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BF423106564A; Wed, 12 Sep 2012 14:43:55 +0000 (UTC) (envelope-from freebsd@damnhippie.dyndns.org) Received: from duck.symmetricom.us (duck.symmetricom.us [206.168.13.214]) by mx1.freebsd.org (Postfix) with ESMTP id C9B1B8FC17; Wed, 12 Sep 2012 14:43:54 +0000 (UTC) Received: from damnhippie.dyndns.org (daffy.symmetricom.us [206.168.13.218]) by duck.symmetricom.us (8.14.5/8.14.5) with ESMTP id q8CEhl3E024837; Wed, 12 Sep 2012 08:43:47 -0600 (MDT) (envelope-from freebsd@damnhippie.dyndns.org) Received: from [172.22.42.240] (revolution.hippie.lan [172.22.42.240]) by damnhippie.dyndns.org (8.14.3/8.14.3) with ESMTP id q8CEhgQA050837; Wed, 12 Sep 2012 08:43:42 -0600 (MDT) (envelope-from freebsd@damnhippie.dyndns.org) From: Ian Lepore To: obrien@freebsd.org In-Reply-To: <20120912000738.GA90897@dragon.NUXI.org> References: <86sjao7q8c.fsf@ds4.des.no> <20120911205302.27484fd6@gumby.homeunix.com> <20120911200925.GA88456@dragon.NUXI.org> <504FA76A.5000209@delphij.net> <20120911211730.GB89188@dragon.NUXI.org> <504FAB87.3020701@delphij.net> <20120911215212.GA89515@dragon.NUXI.org> <504FBD15.8040907@delphij.net> <20120911230121.GA90289@dragon.NUXI.org> <504FC7B0.2060706@delphij.net> <20120912000738.GA90897@dragon.NUXI.org> Content-Type: text/plain; charset="us-ascii" Date: Wed, 12 Sep 2012 08:43:42 -0600 Message-ID: <1347461022.1110.29.camel@revolution.hippie.lan> Mime-Version: 1.0 X-Mailer: Evolution 2.32.1 FreeBSD GNOME Team Port Content-Transfer-Encoding: 7bit Cc: Arthur Mesh , Doug Barton , freebsd-rc@freebsd.org, RW , Dag-Erling =?UTF-8?Q?=EF=BF=BD?= , d@delphij.net Subject: Re: svn commit: r239569 - head/etc/rc.d X-BeenThere: freebsd-rc@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Discussion related to /etc/rc.d design and implementation." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Sep 2012 14:43:55 -0000 On Tue, 2012-09-11 at 17:07 -0700, David O'Brien wrote: > On Tue, Sep 11, 2012 at 04:22:24PM -0700, Xin Li wrote: > > Please consider using sha512... > > What is the performance (boot time) impact on low-end MIPS and ARM > systems? > > I'm all for sha512, but don't want to be shot with a machine gun (vs. > simple pistol). > For the embedded systems I take care of, the performance problem on low-end systems is likely to be solved by ignoring all of this angels dancing on a pin stuff and supplying an alternate kickstart mechanism appropriate to the way the system is used (which almost surely won't be in any national security datacenter). I can assure you that neither shaXXX nor gzip nor anything else that eats that many cycles will be involved. :) I just hope one of things coming out of all this is a reasonable mechanism for supplying alternate kickstart data. -- Ian