Re: [PATCH v2 00/25] AMDKFD kernel driver

[Daniel Vetter]

On Tue, Jul 22, 2014 at 10:19 AM, Oded Gabbay <oded.gabbay@xxxxxxx> wrote:
>> Exactly, just prevent userspace from submitting more. And if you have
>> misbehaving userspace that submits too much, reset the gpu and tell it
>> that you're sorry but won't schedule any more work.
>
> I'm not sure how you intend to know if a userspace misbehaves or not. Can
> you elaborate ?

Well that's mostly policy, currently in i915 we only have a check for
hangs, and if userspace hangs a bit too often then we stop it. I guess
you can do that with the queue unmapping you've describe in reply to
Jerome's mail.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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