[Intel-gfx] [PATCH 30/31] drm/i915: Support secure dispatch on gen6/gen7

Tvrtko Ursulin tvrtko.ursulin at linux.intel.com
Tue Feb 9 11:02:59 UTC 2021


On 08/02/2021 20:55, Dave Airlie wrote:
> On Mon, 8 Feb 2021 at 20:53, Chris Wilson <chris at chris-wilson.co.uk> wrote:
>>
>> Re-enable secure dispatch for gen6/gen7, primarily to workaround the
>> command parser and overly zealous command validation on Haswell. For
>> example this prevents making accurate measurements using a journal for
>> store results from the GPU without CPU intervention.
> 
> There's 31 patches in this series, and I can't find any 00/31 or
> justification for any of this work.
> 
> I see patches like this which seem to undo work done for security
> reasons under CVE patches with no oversight.
> 
> Again, the GT team is not doing the right thing here, stop focusing on
> individual pieces of Chris's work, push back for high level
> architectural reviews and I want them on the list in public.
> 
> All I want from the GT team in the next pull request is dma_resv
> locking work and restoring the hangcheck timers that seems like a
> regression that Chris found acceptable and nobody has pushed back on.
> 
> For like the 500th time, if you want DG1 and stuff in the tree, stop
> this shit already, real reviewers, high-level architectural reviews,
> NAK the bullshit in public on the list.

Since it's mostly been me reviewing the scheduler improvements in this 
series, I gather we have met and talked, or that you have at least have 
been following me closely enough to conclude I am not a "real" reviewer. 
Fair?

Regards,

Tvrtko


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