Date: Thu, 27 Feb 2003 07:11:58 +0100 From: phk@phk.freebsd.dk To: Dag-Erling Smorgrav <des@ofug.org> Cc: arch@freebsd.org Subject: Re: (almost) Ready to ditch device major numbers. Message-ID: <2846.1046326318@critter.freebsd.dk> In-Reply-To: Your message of "Thu, 27 Feb 2003 00:41:27 %2B0100." <xzpbs0ypq3c.fsf@flood.ping.uio.no>
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In message <xzpbs0ypq3c.fsf@flood.ping.uio.no>, Dag-Erling Smorgrav writes: >Poul-Henning Kamp <phk@phk.freebsd.dk> writes: >> We are now (almost) ready to ditch device major numbers if we want to. > >Sounds like a step in the right direction. > >> 1) Build a bitmap of registered majors (from conf/majors) at >> kernel-compile so the kernel can know which majors we can risk >> KLD's to use. > >We already have a fairly large reserved range that we can draw from >(200-252), so this might not be necessary. We also have a range >reserved for lkms (32-38) which is unused, AFAIK. I know, but as we make more and more driver use MAJOR_AUTO, we will need larger ranges, so creating the bitmap with a script from conf/majors would save some manual work. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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