From owner-freebsd-arch  Sat Mar 17 10:59:12 2001
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To: mjacob@feral.com
Subject: Re: man pages 
Cc: arch@FreeBSD.ORG
In-reply-to: Your message of "Sat, 17 Mar 2001 10:38:37 PST."
		<Pine.BSF.4.21.0103171037090.65580-100000@beppo.feral.com> 
References: <Pine.BSF.4.21.0103171037090.65580-100000@beppo.feral.com>  
Date: Sat, 17 Mar 2001 11:59:07 -0700
From: Warner Losh <imp@harmony.village.org>
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In message <Pine.BSF.4.21.0103171037090.65580-100000@beppo.feral.com> Matthew Jacob writes:
:      ddi_enter_critical, ddi_exit_critical -  enter  and  exit	a
:      critical region of	control
...
: The driver may not call any functions external to itself in between
: the time it calls ddi_enter_critical() and the time it calls
: ddi_exit_critical().
...

Hmmm.  That's what I need, with the above exception being too
restrictive.  I'd need to call functions that frob the hardware. :-)

Warner

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