[openfabrics-ewg] [openib-general] OFED Status

[Robert Walsh]

Roland Dreier wrote:
>     Robert> Well, it needs to be refcounted, as we need to create it
>     Robert> on first add_one and remove it on the last remove_one.  If
>     Robert> I put a spinlock around it, would that suffice?
> 
> Yes, that should be fine, although I assume you'll need to set a flag
> and then create the file outside the lock.  (I guess you could also
> get fancy and use atomic_inc_return() and atomic_dec_and_test() too if
> you wanted).
> 
> I'm still curious -- what is the problem with creating the file before
> any devices are found?  Why does modprobe get stuck?

I don't really know yet.  I'm trying to fix something else right now,
but I'll come back and take a look at this shortly.  OFED looks like
it's going to have my current fix, which is probably OK for the moment.
 I'll try get a proper fix ready for 2.6.19 in the next day or so.

Regards,
 Robert.