[PATCH v2 0/3] sched, arch_topology: Thermal pressure configuration cleanup
Valentin Schneider
valentin.schneider at arm.com
Sun Jul 12 12:59:14 EDT 2020
Hi folks,
This stems from this thread [1] on the list. TL;DR: the thermal pressure config
has no helpful documentation, and figuring out if the right dependencies are in
place is not easy for a regular user.
The current landscape also paints an odd picture: arch_set_thermal_pressure() is
hardcoded in sched/core.c, and is *not* architecture-definable, while
arch_get_thermal_pressure() is. Patch 1 is tackling this, the rest is Kconfig
stuff.
Cheers,
Valentin
[1]: https://lkml.kernel.org/r/20200603173150.GB1551@shell.armlinux.org.uk
Revisions
=========
v1 -> v2
--------
o Remove cpufreq_cooling.c weak function; use #define stub in sched/topology.h
(Vincent)
o Hinge arm SCHED_THERMAL_PRESSURE selection on ARM_CPU_TOPOLOGY
Valentin Schneider (3):
arch_topology, sched/core: Cleanup thermal pressure definition
sched: Cleanup SCHED_THERMAL_PRESSURE kconfig entry
arm, arm64: Select CONFIG_SCHED_THERMAL_PRESSURE
arch/arm/Kconfig | 1 +
arch/arm/include/asm/topology.h | 3 ++-
arch/arm64/Kconfig | 1 +
arch/arm64/include/asm/topology.h | 3 ++-
drivers/base/arch_topology.c | 11 +++++++++++
include/linux/arch_topology.h | 4 ++--
include/linux/sched/topology.h | 7 +++++++
init/Kconfig | 15 ++++++++++++++-
kernel/sched/core.c | 11 -----------
9 files changed, 40 insertions(+), 16 deletions(-)
--
2.27.0
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