Date: Wed, 23 May 2001 13:16:10 -0400 (EDT) From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> To: Brian Somers <brian@Awfulhak.org> Cc: freebsd-arch@FreeBSD.ORG Subject: Re: RFC: unit_list routines Message-ID: <200105231716.NAA31092@khavrinen.lcs.mit.edu> In-Reply-To: <200105231702.f4NH29F07183@hak.lan.Awfulhak.org> References: <phk@critter.freebsd.dk> <3487.990636871@critter> <200105231702.f4NH29F07183@hak.lan.Awfulhak.org>
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<<On Wed, 23 May 2001 18:02:09 +0100, Brian Somers <brian@Awfulhak.org> said: >> How does newbus allocate/manage unit numbers ? > I don't think it does. The only way to find out what's in use > (AFAIK) is by looking at every specinfo in dev_hash.... You're looking in the wrong place again. This may have changed, but my recollection is that new-bus looks for the greatest allocated unit number and then takes the next one. Since this is initialization code, the fact that this is O(n^2) is of no consequence. -GAWollman To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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