Date: Mon, 20 Feb 2012 15:14:09 +0100 From: Alexander Leidinger <Alexander@Leidinger.net> To: perryh@pluto.rain.com Cc: sendtomatt@gmail.com, rank1seeker@gmail.com, dougb@freebsd.org, hackers@freebsd.org Subject: Re: 8 to 9: Kernel modularization -- did it change? Message-ID: <20120220151409.Horde.NYT-HpjmRSRPQlUxo1tMYtA@webmail.leidinger.net> In-Reply-To: <4f411fbc.5xpQwqtOGVzi8G4D%perryh@pluto.rain.com> References: <CAOjFWZ6WM1bLEwaBiUE50Gj4MrwxefDWFb85ecRtYkSDuZ0erg@mail.gmail.com> <mailpost.1329495670.7246668.67851.mailing.freebsd.hackers@FreeBSD.cs.nctu.edu.tw> <4F3E8225.9030501@FreeBSD.org> <E1RyRKJ-000Ioa-Ec@hans3> <4F3E8C26.3080900@FreeBSD.org> <E1RyRq0-000Iqy-3l@hans3> <4F3EA5F2.9070804@gmail.com> <E1RyTZo-000J0R-0Y@hans3> <4F3EAE5F.6070903@gmail.com> <E1RyUv6-000J5e-0E@hans3> <20120217.220802.988.2@DOMY-PC> <4F3EDEBC.7040703@gmail.com> <4F3EFB70.5000102@FreeBSD.org> <4f3ff151.FznGzC6RC0a5qBKx%perryh@pluto.rain.com> <4F403C5E.4000104@FreeBSD.org> <4f411fbc.5xpQwqtOGVzi8G4D%perryh@pluto.rain.com>
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Quoting perryh@pluto.rain.com (from Sun, 19 Feb 2012 08:13:48 -0800): > Doug Barton <dougb@freebsd.org> wrote: >> On 02/18/2012 10:43, perryh@pluto.rain.com wrote: >> > Doug Barton <dougb@freebsd.org> wrote: >> >> loading modules through loader.conf is >> >> veeeeeerrrrryyyyyy sssssllllloooooowwwwww ... >> > >> > Is it noticeably slower to load (say) a 6MB kernel + 2MB of >> > modules than to load an 8MB kernel? >> >> I don't know, that wasn't the problem I was trying to solve. > > Given the context of the thread, this: > >> >> loading modules through loader.conf is >> >> veeeeeerrrrryyyyyy sssssllllloooooowwwwww ... > > seemed to be an objection to modularizing the kernel. Hence my Looks more like an opinion. In fact, I work on a modularized kernel config which I want to commit to -current at some point (for those which do not care how long it takes to boot the system). The goal of my work is to produce something like GENERIC+more, just as much as possible loaded as kld's (the "+more" part is the result of a poll I did on stable@, it contains only stuff which can not be loaded as a kld, and I provide a loader.conf which disables the parts which would cause a major change in behavior). Currently I'm doing some compile testing, I should be able to provide something for review soon (on current@). Bye, Alexander. -- WORK: The blessed respite from screaming kids and soap operas for which you actually get paid. http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137
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