Date: Fri, 12 Sep 1997 13:20:55 +1000 From: Mike Smith <mike@smith.net.au> To: John-Mark Gurney <gurney_j@resnet.uoregon.edu> Cc: Mike Smith <mike@smith.net.au>, Luigi Rizzo <luigi@labinfo.iet.unipi.it>, freebsd-hackers@FreeBSD.ORG Subject: Re: PnP support Message-ID: <199709120320.NAA00944@word.smith.net.au> In-Reply-To: Your message of "Thu, 11 Sep 1997 05:04:07 MST." <19970911050407.06011@hydrogen.nike.efn.org>
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> > This is why I exhorted you to look at the extent manager in NetBSD. It > > allows you to define "extents" which are just arbitrary ranges of > > "something". I would visualise this being used as follows : ... > hehe... I was just thinking about this.. and writing a spec that was > very similar to this.. but I was also trying to extend the spec to > support the removal of resources (i.e. pccard gets removed)... You *really*really* should look at the NetBSD extent manager. It already allows for creation and deletion of extents, and basically all the minimal stuff you expect. > > I don't think that making these extents "private" would be at all > > helpful. Having them public, and referenced by name, will make it > > easier to access them. > > I agree... I assume your talking about id numbers?? No, I'm talking about some random piece of code being able to say "I want to allocate a range from x-y in the extent 'foo'", without having to be passed a handle for "foo" by the original creator. mike
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