[PATCH 4/5] drm/panfrost: Add support for GPU heap allocations

[Tomeu Vizoso]

On Tue, 23 Jul 2019 at 09:14, Alyssa Rosenzweig <alyssa at rosenzweig.io> wrote:
>
> > A fair bit of the complexity of kbase comes from trying to avoid the
> > possibility of one process DoSing another by submitting malicious jobs.
>
> ...and yet it was still doable so easily (by accident, with buggy jobs
> instead of malicious jobs).... sigh...
>
> Still is on the mainline kernel (e.g. running dEQP in a window in
> Weston, some faults triggered in dEQP end up messing up Weston's
> rendering outside the deqp window). What's our threat model here?
>
> Is "banning WebGL on Panfrost" allowed? :)

I think what Panfrost needs to do is to give browsers as much support
as possible to make WebGL secure. This includes making best use of the
HW to that end, and implementing any robustness-related extensions
that may be available.

Cheers,

Tomeu