[PATCH] soc: ti: knav_qmss: Use percpu instead atomic for stats counter

[santosh.shilimkar at oracle.com]

On 4/11/18 12:16 PM, Vasyl Gomonovych wrote:
> Hwqueue has collect statistics in heavy use queue_pop/queu_push functions
> for cache efficiency and make push/pop faster use percpu variables.
> For performance reasons, driver should keep descriptor in software handler
> as short as possible and quickly return it back to hardware queue.
> Descriptors coming into driver from hardware after pop and return back
> by push to reduce descriptor lifetime in driver collect statistics on percpu.
> 
> Signed-off-by: Vasyl Gomonovych <gomonovych at gmail.com>
> ---
This is really good idea. Have you tested this patch ? If not it needs
to be tested on Keystone SOCs to make sure all works.

Regards,
Santosh