linux-kernel - Re: [PATCH 0/2] Optimize the process of scanning CPU for some functions

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Message-ID: <Y1ZiKz1rxEcQ886D@hirez.programming.kicks-ass.net>
Date:   Mon, 24 Oct 2022 12:00:11 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Hao Jia <jiahao.os@...edance.com>
Cc:     mingo@...hat.com, mingo@...nel.org, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
        bristot@...hat.com, vschneid@...hat.com,
        mgorman@...hsingularity.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] Optimize the process of scanning CPU for some
 functions

On Fri, Oct 21, 2022 at 02:15:56PM +0800, Hao Jia wrote:
> These two patches optimize the process of scanning the CPU by
> adjusting the search order or breaking the loop.

Is it really optimization, as in it now runs measurably faster, or just
cleanups?