linux-kernel - Re: [RFC][PATCH 1/4] sched: Force the address order of each sched class descriptor

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Message-ID: <20191220101848.2b64b224@gandalf.local.home>
Date:   Fri, 20 Dec 2019 10:18:48 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Kirill Tkhai <ktkhai@...tuozzo.com>
Cc:     Rasmus Villemoes <linux@...musvillemoes.dk>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-kernel@...r.kernel.org, Kirill Tkhai <tkhai@...dex.ru>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "juri.lelli@...hat.com" <juri.lelli@...hat.com>,
        "vincent.guittot@...aro.org" <vincent.guittot@...aro.org>,
        "dietmar.eggemann@....com" <dietmar.eggemann@....com>,
        "bsegall@...gle.com" <bsegall@...gle.com>,
        "mgorman@...e.de" <mgorman@...e.de>,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [RFC][PATCH 1/4] sched: Force the address order of each sched
 class descriptor

On Fri, 20 Dec 2019 13:44:05 +0300
Kirill Tkhai <ktkhai@...tuozzo.com> wrote:

> My opinion is to better make some less beautiful thing in a single synchronous place,
> than to distribute the redundancy over all the code (especially, when it is asynchronous).

I very much subscribe to this notion. The TRACE_EVENT() and NMI code
does the same. Keep all other use cases simple by making it complex in
one locality.

-- Steve