Re: [RFC][PATCH] fixup pi_state in futex_requeue on lock steal

From: Ingo Molnar
Date: Sat Aug 08 2009 - 11:28:55 EST



* Darren Hart <dvhltc@xxxxxxxxxx> wrote:

> So, I think we're fine with respect to the pi_state ownership! In
> fact I finally managed to catch the lock steal in the requeue loop
> in my tracing, and everything worked fine. Going to go rerun a
> bunch more tests and see if I hit any other issues, if I do, I
> suspect they are unrelated to this.
>
> Thanks for the help in thinking this through.

i've got these queued up:

00235fe: futex: Update woken requeued futex_q lock_ptr
1bbf208: rtmutex: Avoid deadlock in rt_mutex_start_proxy_lock()

should i drop them?

Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/