linux-kernel - Re: [PATCH v2 1/2] cputime: remove rq parameter for irqtime_account_process

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Message-ID: <20190719081156.GE3419@hirez.programming.kicks-ass.net>
Date:   Fri, 19 Jul 2019 10:11:56 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Alex Shi <alex.shi@...ux.alibaba.com>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Frederic Weisbecker <fweisbec@...il.com>,
        Wanpeng Li <wanpeng.li@...mail.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] cputime: remove rq parameter for
 irqtime_account_process_tick func

On Fri, Jul 19, 2019 at 10:42:41AM +0800, Alex Shi wrote:
> Using the per cpu rq in function directly is enough, don't need get and
> pass it from outside as a parameter. That's make function neat.

Please look at code-gen; I'm thinking this patch makes things worse.