linux-kernel - Re: [irqflags] 21db66c4ff: will-it-scale.per_process

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Date:   Thu, 27 May 2021 20:59:51 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     kernel test robot <oliver.sang@...el.com>
Cc:     Yejune Deng <yejune.deng@...il.com>, 0day robot <lkp@...el.com>,
        Yejune Deng <yejunedeng@...il.com>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
        ying.huang@...el.com, feng.tang@...el.com, zhengjun.xing@...el.com,
        peterz@...radead.org, tglx@...utronix.de, mingo@...nel.org,
        rafael.j.wysocki@...el.com, npiggin@...il.com,
        mark.rutland@....com, elver@...gle.com
Subject: Re: [irqflags]  21db66c4ff:  will-it-scale.per_process_ops -4.5%
 regression

On Tue, 25 May 2021 15:03:54 +0800
kernel test robot <oliver.sang@...el.com> wrote:

> FYI, we noticed a -4.5% regression of will-it-scale.per_process_ops due to commit:

As Mark explained, your patch was not a nop. And the 0day bot just
showed you why we didn't do it the way you suggested.

-- Steve