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To: John Baldwin <jhb@FreeBSD.org>
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	<200401161523.32120.jhb@FreeBSD.org> <xzpr7xzsj20.fsf@dwp.des.no>
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From: des@des.no (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=)
Date: Fri, 16 Jan 2004 23:01:58 +0100
In-Reply-To: <200401161659.42394.jhb@FreeBSD.org> (John Baldwin's message of
 "Fri, 16 Jan 2004 16:59:42 -0500")
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cc: "Robin P. Blanchard" <robin.blanchard@gactr.uga.edu>
cc: current@freebsd.org
Subject: Re: Panic with this morning's (~9am EDT, 15 jan 2004) sources.
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John Baldwin <jhb@FreeBSD.org> writes:
> You could only lock newfdp #ifdef INVARIANTS perhaps since that is the on=
ly
> reason you are doing it.  That doesn't pessimize production kernels while
> still letting your assertions work ok.

now that's an idea (though it's a bit of a hack)

>                                         You could also perhaps tweak the
> mtx_assert to somehow check the state of the fd pointer to see if it is a=
 new
> table (refcount of 0 or some such)

that would pessimize the common case...

DES
--=20
Dag-Erling Sm=F8rgrav - des@des.no