Date: Wed, 12 Sep 2012 10:48:17 -1000 From: Doug Barton <dougb@FreeBSD.org> To: Ian Lepore <freebsd@damnhippie.dyndns.org> Cc: Arthur Mesh <arthurmesh@gmail.com>, freebsd-rc@freebsd.org, =?UTF-8?B?RGFnLQ==?=, obrien@freebsd.org, RW <rwmaillists@googlemail.com>, =?UTF-8?B?RXJsaW5nIO+/vQ==?= <des@des.no>, d@delphij.net Subject: Re: svn commit: r239569 - head/etc/rc.d Message-ID: <5050F511.6050305@FreeBSD.org> In-Reply-To: <1347461022.1110.29.camel@revolution.hippie.lan> 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> <1347461022.1110.29.camel@revolution.hippie.lan>
next in thread | previous in thread | raw e-mail | index | archive | help
On 9/12/2012 4:43 AM, Ian Lepore wrote: > 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. I haven't yet heard any feedback on my suggestion to have one set of default "safe" commands that are low-impact enough for embedded systems, and another set to be added by default to more standard systems. Do you think that this would address your concerns Ian? Doug
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?5050F511.6050305>