On Wed, 2006-12-20 at 20:50 +0100, Ingo Molnar wrote:
> * Robert Crocombe <[email protected]> wrote:
>
> > On 12/19/06, Ingo Molnar <[email protected]> wrote:
> > >yeah. This is something that triggers very rarely on certain boxes. Not
> > >fixed yet, and it's been around for some time.
> >
> > Is there anything you would like me to do to help diagnose this?
>
> to figure out what the bug is :-/ Below is the tasklet redesign patch -
> the bug must be in there somewhere.
> +static inline int tasklet_tryunlock(struct tasklet_struct *t)
> +{
> + return cmpxchg(&t->state, TASKLET_STATEF_RUN, 0) == TASKLET_STATEF_RUN;
> +}
> +
This probably isn't it, but is cmpxchg available on all archs now?
-- Steve
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