linux-kernel - Re: [PATCH v2 0/4] sched/fair: Dynamic asym priority support

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Message-ID: <20250410105231.GF30687@noisy.programming.kicks-ass.net>
Date: Thu, 10 Apr 2025 12:52:31 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: K Prateek Nayak <kprateek.nayak@....com>
Cc: Ingo Molnar <mingo@...hat.com>, Juri Lelli <juri.lelli@...hat.com>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	"Gautham R. Shenoy" <gautham.shenoy@....com>,
	Mario Limonciello <mario.limonciello@....com>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Dietmar Eggemann <dietmar.eggemann@....com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
	Valentin Schneider <vschneid@...hat.com>,
	Waiman Long <llong@...hat.com>,
	Swapnil Sapkal <swapnil.sapkal@....com>,
	Dhananjay Ugwekar <Dhananjay.Ugwekar@....com>,
	Huang Rui <ray.huang@....com>, Perry Yuan <perry.yuan@....com>
Subject: Re: [PATCH v2 0/4] sched/fair: Dynamic asym priority support

On Wed, Apr 09, 2025 at 05:34:42AM +0000, K Prateek Nayak wrote:
> K Prateek Nayak (4):
>   sched/fair: Use READ_ONCE() to read sg->asym_prefer_cpu
>   sched/topology: Introduce sched_update_asym_prefer_cpu()
>   cpufreq/amd-pstate: Update asym_prefer_cpu when core rankings change
>   sched/debug: Print the local group's asym_prefer_cpu
> 
>  drivers/cpufreq/amd-pstate.c   |  4 ++-
>  include/linux/sched/topology.h |  6 ++++
>  kernel/sched/debug.c           |  4 +++
>  kernel/sched/fair.c            |  5 +--
>  kernel/sched/topology.c        | 58 ++++++++++++++++++++++++++++++++++
>  5 files changed, 74 insertions(+), 3 deletions(-)

This seems reasonable. I'll queue it up, and unless someone (robot or
real person) objects, we'll get it merged :-)