On Thu, Apr 09, 2015 at 05:02:36PM +0200, Daniel Vetter wrote:
> On Tue, Apr 07, 2015 at 04:20:51PM +0100, Chris Wilson wrote:
> > @@ -640,7 +641,7 @@ static int logical_ring_wait_request(struct 
> > intel_ringbuffer *ringbuf,
> >                     break;
> >     }
> >  
> > -   if (&request->list == &ring->request_list)
> > +   if (WARN_ON(&request->list == &ring->request_list))
> >             return -ENOSPC;
> 
> Checking for new_space < n (and initializing new_space to 0) would be a
> clearer check imo. But that's just a bikeshed. Same for the legacy one
> below.

If you watch later, I remove the double update of ringbuf->space.
However, I am quite found of the if (iter == list_head) return -ENOSPC,
so I am a bit biased.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to