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Date:   Mon, 6 Jul 2020 22:00:49 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Chen Yu <yu.c.chen@intel.com>
Cc:     Valentin Schneider <valentin.schneider@arm.com>,
        Vincent Guittot <vincent.guittot@linaro.org>,
        Ingo Molnar <mingo@redhat.com>,
        Juri Lelli <juri.lelli@redhat.com>,
        Dietmar Eggemann <dietmar.eggemann@arm.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2][RFC] Makes sd->flags sysctl writable
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On Tue, Jul 07, 2020 at 03:36:13AM +0800, Chen Yu wrote:
> It was found that recently the flags of sched domain could
> not be customized via sysctl, which might make it a little
> inconenient for performance tuning/debugging.

What specific goals do you have? This is a debug interface.