Re: [PATCH V2 0/5] cpufreq: Use QoS layer to manage freq-constraints

From: Rafael J. Wysocki
Date: Thu Feb 21 2019 - 06:32:18 EST


On Thursday, February 21, 2019 12:29:26 PM CET Viresh Kumar wrote:
> Hello,
>
> This patchset attempts to manage CPU frequency constraints using the PM
> QoS framework. It only does the basic stuff right now and moves the
> userspace constraints to use the QoS infrastructure.
>
> Todo:
> - Migrate all users to the QoS framework and get rid of cpufreq specific
> notifiers.
> - Make PM QoS learn about the relation of CPUs in a policy, so a single
> list of constraints is managed for all of them instead of per-cpu
> constraints.
>
> V1->V2:
> - The previous version introduced a completely new framework, this one
> moves to PM QoS instead.
> - Lots of changes because of this.

Well, thanks for working on this, but I'm rather unlikely to look at it in
detail before 5.1-rc1 is released.

Cheers,
Rafael