[PATCH] B43: Handle DMA RX descriptor underrun

[Thommy Jakobsson]

On Fri, 3 May 2013, John W. Linville wrote:

> On Wed, Apr 24, 2013 at 09:00:59AM +0200, Rafa? Mi?ecki wrote:
> > 2013/4/23 Thommy Jakobsson <thommyj at gmail.com>:
> > > From: Thommy Jakobsson <thommyj at gmail.com>
> > >
> > > Add handling of rx descriptor underflow. This fixes a fault that could
> > > happen on slow machines, where data is received faster than the CPU can
> > > handle. In such a case the device will use up all rx descriptors and
> > > refuse to send any more data before confirming that it is ok. This
> > > patch enables necessary interrupt to discover such a situation and will
> > > handle them by dropping everything in the ring buffer.
> > 
> > Thanks for working on this, I didn't really got enough time to follow
> > your active discussion actively.
> > 
> > I'll try to test this patch on my devices over the next weekend.
> 
> Any word on this testing?  Should this go to 3.10?
It still runs on my device without any problem. Don't know anything about 
Rafael's testing though

BR,
Thommy Jakobsson