Date: Fri, 16 Jan 2004 23:01:58 +0100 From: des@des.no (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=) To: John Baldwin <jhb@FreeBSD.org> Cc: current@freebsd.org Subject: Re: Panic with this morning's (~9am EDT, 15 jan 2004) sources. Message-ID: <xzpfzefsgbt.fsf@dwp.des.no> In-Reply-To: <200401161659.42394.jhb@FreeBSD.org> (John Baldwin's message of "Fri, 16 Jan 2004 16:59:42 -0500") References: <EE3D3FBAFFCAED448C21C398FDAD91AC0108D8@EBE1.gc.nat> <200401161523.32120.jhb@FreeBSD.org> <xzpr7xzsj20.fsf@dwp.des.no> <200401161659.42394.jhb@FreeBSD.org>
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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
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