Re: [PATCH v11 0/8] PM / Domains: Support hierarchical CPU arrangement (PSCI/ARM)

[Rafael J. Wysocki]

On Tue, Feb 26, 2019 at 3:55 PM Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote:
>
> Changes in v11:
>  - This version contains only the infrastructure changes that is needed for
> deployment. The PSCI/ARM changes have also been updated and tested, but I will
> post them separately. Still, to provide completeness, I have published a branch
> containing everything to a git tree [1], feel free to have a look and test.
>  - The v10 series contained a patch, "timer: Export next wakeup time of a CPU",
> which has been replaced by a couple of new patches, whom reworks the existing
> tick_nohz_get_sleep_length() function, to provide the next timer expiration
> instead of the duration.
>  - More changelogs are available per patch.

NAK for patches [4-6/8].

The code as is specifically avoids calling ktime_get() from the
governors as that can be quite expensive, so these patches potentially
make things worse.