Re: Robust Futex update

[Ingo Molnar]

* David Singleton <dsingleton@xxxxxxxxxx> wrote:

> Ingo,
>    here 's a patch for 2.6.14-rc4-rt1 that fixes two things:
> 
> 1) Deregister futex returns -EBUSY instead of -EINVAL if a thread 
> tries to deregister a pthread_mutex that another thread has locked.
> 
> 2) Make the fast path robust.  If a pthread_mutex is only locked in 
> user space we need to clear the owner when the thread dies.  This 
> makes both the 'rt_mutex is locked in the kernel' and the 
> 'pthread_mutex is only locked in user space' paths robust.

thanks, applied.

	Ingo
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