Date: Tue, 19 Oct 2004 09:01:23 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Robert Huff <roberthuff@rcn.com> Cc: freebsd-current@freebsd.org Subject: Re: WITNESS bug Message-ID: <20041019160122.GC55255@xor.obsecurity.org> In-Reply-To: <16757.4854.809996.993051@jerusalem.litteratus.org> References: <20041019023713.GA1072@green.homeunix.org> <16757.4854.809996.993051@jerusalem.litteratus.org>
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--O3RTKUHj+75w1tg5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Oct 19, 2004 at 09:13:26AM -0400, Robert Huff wrote: >=20 > Brian Fundakowski Feldman writes: >=20 > > You should never not run with WITNESS_SKIPSPIN if you use > > modules. Any spin mutexes not listed statically in the witness > > code will cause your machine to immediately panic. >=20 > If this is true (and I'm not disputing it), shouldn't it be > noted in GENERIC and/or NOTES? For that matter, what's the penalty > for not automatically including it as part of WITNESS? Sometimes you don't want to use it, e.g. if you actually want to trace spinlock operations with witness. Kris --O3RTKUHj+75w1tg5 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBdTpRWry0BWjoQKURAiH8AKDowe4uvz+eClOmxqAnMCZJRlZcogCg0Mx/ kHVb/ON6ty9XeZzbqlAKk5M= =LX0Q -----END PGP SIGNATURE----- --O3RTKUHj+75w1tg5--
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