[Intel-gfx] [PATCH 3/7] drm/i915: Keep a count of requests submitted from userspace

[Tvrtko Ursulin]

On 09/04/2018 11:27, Chris Wilson wrote:
> Quoting Tvrtko Ursulin (2018-04-09 11:17:04)
>>
>> On 09/04/2018 10:25, Chris Wilson wrote:
>>> Downside being that we either then use atomic64 throughout or we mix
>>> atomic32/atomic64 knowing that we're on x86. (I feel like someone else
>>> must have solved this problem in a much neater way, before they went to
>>> per-cpu stats ;)
>>
>> Is the winky implying you know who and where? :) We have three potential
>> solutions now, even for if the winky is suggesting something.
> 
> Nah, just that atomic/locked counters are so old hat. Not sure if there
> remain any good examples for hotpath counters that remain applicable to
> our code.

Leave it as is then for now and improve if we discover it is not good 
enough?

Regards,

Tvrtko