From owner-freebsd-hackers@FreeBSD.ORG  Thu Sep 29 18:14:41 2005
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To: John Baldwin <jhb@FreeBSD.org>
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In-Reply-To: Your message of "Thu, 29 Sep 2005 14:08:16 EDT."
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Date: Thu, 29 Sep 2005 20:14:39 +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 <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).


-- 
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.