On Wed, 2012-07-18 at 00:26 +0300, Michael S. Tsirkin wrote:
> On Mon, Jul 16, 2012 at 02:33:47PM -0600, Alex Williamson wrote:
> > @@ -96,6 +183,9 @@ irqfd_shutdown(struct work_struct *work)
> > * It is now safe to release the object's resources
> > */
> > eventfd_ctx_put(irqfd->eventfd);
> > +
> > + _irq_source_put(irqfd->source);
> > +
> > kfree(irqfd);
> > }
> >
>
> Hang on, this is a bug I think. This is done asynchronously. So this
> means that I can assign MAX number of irqfds, then close one, and now
^^^^^^^^^^^^^^^^^^^^ What is this?
Do you mean max irq source ids?
> assign will fail because deassign did not get freed.
>
> Maybe we can solve this by flushing wq before assign?
> Looks a bit fragile but may be enough - need to document well.
>
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