Re: [PATCH 04/26] drm/i915: Flush the execution-callbacks on retiring

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Quoting Mika Kuoppala (2019-06-19 14:12:46)
> Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:
> 
> > In the unlikely case the request completes while we regard it as not even
> > executing on the GPU (see the next patch!), we have to flush any pending
> > execution callbacks at retirement and ensure that we do not add any
> > more.
> >
> 
> I did see the next patch. Looked like a mountain.
> 
> Well we don't lose warnings and we should never see
> a precompleted request with current codebase so,

That is very true. I had a little freak out when I found the race, and
believed a sigh of relief on realising it only affected the next path.
-Chris
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