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Date: Thu, 21 May 2009 10:15:37 -0600 (MDT)
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To: phk@phk.freebsd.dk
From: "M. Warner Losh" <imp@bsdimp.com>
In-Reply-To: <1689.1242921616@critter.freebsd.dk>
References: <4A157919.7040103@samsco.org> <1689.1242921616@critter.freebsd.dk>
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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: <1689.1242921616@critter.freebsd.dk>
            "Poul-Henning Kamp" <phk@phk.freebsd.dk> writes:
: In message <4A157919.7040103@samsco.org>, Scott Long writes:
: 
: >I would also love to have destroy_dev() and make_dev() be locking-neutral.
: 
: As far as I know, there is nothing preventing that any more.
: 
: The current state of affairs still reflects a reality from before 
: SMPng entirely changed what "kernel locking" meant.
: 
: I would also support merging CDEV notification into devd(8), it
: does not make much sense to have different mechanisms.

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.

Warner