Thread (19 messages) 19 messages, 2 authors, 2019-02-27

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

From: "Rafael J. Wysocki" <rafael@kernel.org>
Date: 2019-02-26 17:50:27
Also in: linux-arm-msm, linux-pm, lkml

On Tue, Feb 26, 2019 at 3:55 PM Ulf Hansson [off-list ref] 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which has been replaced by a couple of new patches, whom reworks the existing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.

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