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Date: Thu, 21 May 2009 14:40:43 -0600 (MDT)
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To: phk@phk.freebsd.dk
From: "M. Warner Losh" <imp@bsdimp.com>
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Cc: scottl@samsco.org, src-committers@FreeBSD.org, jhb@FreeBSD.org,
	svn-src-all@FreeBSD.org, attilio@FreeBSD.org,
	svn-src-head@FreeBSD.org, rwatson@FreeBSD.org, kostikbel@gmail.com
Subject: Re: svn commit: r192535 - head/sys/kern 
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In message: <2070.1242926222@critter.freebsd.dk>
            "Poul-Henning Kamp" <phk@phk.freebsd.dk> writes:
: In message <20090521.101537.864824728.imp@bsdimp.com>, "M. Warner Losh" writes:
: 
: >Right now, the devctl_notify() is what gets it into devd.  However,
: >I'd always viewed devd as having multiple event sources and not just
: >from the /dev/devctl device.
: 
: Correct, but kqueuing /dev is not nearly as expressiv as devctl,
: where the protocol has space where the device driver could pass
: useful information to devd(8).

It could, but right now it doesn't.

: For instance, I find the regexp matching of ethernet drivers very,
: very silly: the device driver should just tell devd(8) that it is
: an ethernet, so that we don't have this non-documented registry of
: device driver names.

We don't use the ethernet driver regex any more, since we base it all
on interface arrival in ifnet layer...

Warner