Re: [RFC] RT-patch update to remove the global pi_lock

Daniel Walker
2005-08-25T21:32:46Z

On Thu, 2005-08-25 at 16:09 -0400, Steven Rostedt wrote:

> A word of caution (aka. disclaimer). This is still new. I still expect
> there are some cases in the code that was missed and can cause a dead
> lock or other bad side effect. Hopefully, we can iron these all out.
> Also, I noticed that since the task takes it's own pi_lock for most of
> the code, if something locks up and a NMI goes off, the down_trylock in
> printk will also lock when it tries to take it's own pi_lock.

maybe it's time for ALL_TASKS_PI ?

Daniel