[Intel-gfx] [PATCH 03/20] drm/i915/perf: Manually acquire engine-wakeref around use of kernel_context

[Mika Kuoppala]

Chris Wilson <chris at chris-wilson.co.uk> writes:

> Quoting Mika Kuoppala (2020-02-28 11:53:06)
>> Chris Wilson <chris at chris-wilson.co.uk> writes:
>> 
>> > The engine->kernel_context is a special case for request emission. Since
>> > it is used as the barrier within the engine's wakeref, we must acquire the
>> > wakeref before submitting a request to the kernel_context.
>> 
>> I am a bit surprised that the kernel ctx is used in this capacity...
>
> I am happy that you are surprised, and I hope you quickly forget and
> return to your happy innocence. :)

I am surprised in a same way when looking at people who enjoys playing
games with other elemental building blocks...like for example hydrogen.
Yes I am happy to leave the premises. Good luck.

-Mika

> -Chris