From owner-freebsd-hackers@FreeBSD.ORG  Thu Sep 29 19:36:56 2005
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To: John Baldwin <jhb@FreeBSD.org>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Thu, 29 Sep 2005 14:55:58 EDT."
	<200509291455.59914.jhb@FreeBSD.org> 
Date: Thu, 29 Sep 2005 21:36:53 +0200
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Cc: freebsd-hackers@FreeBSD.org, Divacky Roman <xdivac02@stud.fit.vutbr.cz>,
	Stanislav Sedov <stas@310.ru>
Subject: Re: dev_lock() question 
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In message <200509291455.59914.jhb@FreeBSD.org>, John Baldwin writes:
>On Thursday 29 September 2005 02:14 pm, Poul-Henning Kamp wrote:
>> In message <200509291408.18098.jhb@FreeBSD.org>, John Baldwin writes:
>> >Actually, you would think that it could be initialized either via an early
>> >SYSINIT() or in the init_mutexes() function in kern_mutex.c and thus not
>> > need the early check and avoid penalizing dev_lock().
>> >
>> >phk, how early his dev_lock needed?
>>
>> Far too early due to console madness (in syscons I belive).
>
>So would mutex_init() work?

Havn't tried.  It basically has to work right before the copyright
is printed.

-- 
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.