Date: Wed, 12 Sep 2012 08:43:42 -0600 From: Ian Lepore <freebsd@damnhippie.dyndns.org> To: obrien@freebsd.org Cc: Arthur Mesh <arthurmesh@gmail.com>, Doug Barton <dougb@freebsd.org>, freebsd-rc@freebsd.org, RW <rwmaillists@googlemail.com>, Dag-Erling =?UTF-8?Q?=EF=BF=BD?= <des@des.no>, d@delphij.net Subject: Re: svn commit: r239569 - head/etc/rc.d Message-ID: <1347461022.1110.29.camel@revolution.hippie.lan> 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>
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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
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