Re: [Xen-devel] [PATCH v2 11/13] xen/pvcalls: implement release command

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

>> BTW, I also noticed that in rcvmsg you are calling
>> wait_event_interruptible() while holding the lock. Have you tested with
>> CONFIG_DEBUG_ATOMIC_SLEEP? (or maybe it's some other config  option that
>> would complain about those sorts of thing)
> I believe sleeping while holding a mutex is allowed. Sleeping in
> spinlocked paths is bad.

Oh, right. I was thinking about spinlocks. Sorry.

-boris

>
> BTW: You are looking for CONFIG_DEBUG_MUTEXES (see
> Documentation/locking/mutex-design.txt ).
>
>
> Juergen


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