WITNESS bug
Kris Kennaway
kris at obsecurity.org
Tue Oct 19 09:01:09 PDT 2004
On Tue, Oct 19, 2004 at 09:13:26AM -0400, Robert Huff wrote:
>
> Brian Fundakowski Feldman writes:
>
> > 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.
>
> 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
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