Date: Thu, 29 Sep 2005 21:36:53 +0200 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: John Baldwin <jhb@FreeBSD.org> Cc: freebsd-hackers@FreeBSD.org, Divacky Roman <xdivac02@stud.fit.vutbr.cz>, Stanislav Sedov <stas@310.ru> Subject: Re: dev_lock() question Message-ID: <15627.1128022613@critter.freebsd.dk> In-Reply-To: Your message of "Thu, 29 Sep 2005 14:55:58 EDT." <200509291455.59914.jhb@FreeBSD.org>
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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.
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