On Wed, Feb 21, 2007 at 01:22:28PM -0500, Andrew Gallatin wrote:
> Luigi Rizzo writes:
> > i am not sure i follow you here...
> > Of course when you drop the lock you risk that the underlying
> > data structure is manipulated (or in the worst case freed),
> > but usually you can avoid this with something like
> > <while locked>
> > sc->flags |= LEAVE_ME_ALONE
> > UNLOCK
> Sorry, I hadn't noticed that iwi set a flag like that. I was
not everywhere. i am sure that there are parts that are not protected.
> I just think it would be safer, and less hacky to be allowed to hold
> a driver mutex while potentially sleeping in the firmware code (and in
i am no expert here, but in some sense, the mutex argument to msleep
is there exactly for that reason. Maybe the problem is that sometimes
you need more than one mutex ?
In any case i think we should relabel the thread or potentially
interested people will miss the content being misled by the subject!