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From: Valentin Schneider <vschneid@redhat.com>
To: Vitalii Bursov <vitaly@bursov.com>, Ingo Molnar <mingo@redhat.com>,
 Peter Zijlstra <peterz@infradead.org>, Juri Lelli <juri.lelli@redhat.com>,
 Vincent Guittot <vincent.guittot@linaro.org>, Dietmar Eggemann
 <dietmar.eggemann@arm.com>, Steven Rostedt <rostedt@goodmis.org>, Ben
 Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>, Daniel Bristot
 de Oliveira <bristot@redhat.com>, linux-kernel@vger.kernel.org, Vitalii
 Bursov <vitaly@bursov.com>, Shrikanth Hegde <sshegde@linux.ibm.com>
Subject: Re: [PATCH v4 1/3] sched/fair: allow disabling
 sched_balance_newidle with sched_relax_domain_level
In-Reply-To: <bd6de28e80073c79466ec6401cdeae78f0d4423d.1714488502.git.vitaly@bursov.com>
References: <cover.1714488502.git.vitaly@bursov.com>
 <bd6de28e80073c79466ec6401cdeae78f0d4423d.1714488502.git.vitaly@bursov.com>
Date: Thu, 02 May 2024 18:01:10 +0200
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On 30/04/24 18:05, Vitalii Bursov wrote:
> Change relax_domain_level checks so that it would be possible
> to include or exclude all domains from newidle balancing.
>
> This matches the behavior described in the documentation:
>   -1   no request. use system default or follow request of others.
>    0   no search.
>    1   search siblings (hyperthreads in a core).
>
> "2" enables levels 0 and 1, level_max excludes the last (level_max)
> level, and level_max+1 includes all levels.
>
> Fixes: 1d3504fcf560 ("sched, cpuset: customize sched domains, core")
> Signed-off-by: Vitalii Bursov <vitaly@bursov.com>
> Reviewed-by: Vincent Guittot <vincent.guittot@linaro.org>
> Tested-by: Dietmar Eggemann <dietmar.eggemann@arm.com>

Reviewed-by: Valentin Schneider <vschneid@redhat.com>