[Linaro-mm-sig] thoughts of looking at android fences

[Rom Lemarchand]

Let me run some benchmarks today, talk to people internally, and I'll let
you know.
On Nov 8, 2013 3:43 AM, "Maarten Lankhorst" <maarten.lankhorst at canonical.com>
wrote:

> op 07-11-13 22:11, Rom Lemarchand schreef:
> > Hi Maarten, I tested your changes and needed the attached patch: behavior
> > now seems equivalent as android sync. I haven't tested performance.
> >
> > The issue resolved by this patch happens when i_b < b->num_fences and i_a
> >> = a->num_fences (or vice versa). Then, pt_a is invalid and so
> > dereferencing pt_a->context causes a crash.
> >
> Yeah, I pushed my original fix. I intended to keep android userspace
> behavior the same, and I tried to keep the kernelspace the api same as much
> as I could. If peformance is the same, or not noticeably worse, would there
> be any objections on the android side about renaming dma-fence to
> syncpoint, and getting it in mainline?
>
> ~Maarten
>
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