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Date:   Tue, 21 Aug 2018 10:34:34 +0200
From:   "Rafael J. Wysocki" <>
To:     Leo Yan <>
Cc:     "Rafael J. Wysocki" <>,
        "Peter Zijlstra (Intel)" <>,
        Daniel Lezcano <>,
        Vincent Guittot <>,
        Ramesh Thomas <>,, Linux PM <>
Subject: Re: [PATCH v1 2/5] cpuidle: menu: Record tick delta value in struct menu_device

On Sunday, August 12, 2018 6:09:28 PM CEST Leo Yan wrote:
> Since the tick delta is used in multiple places in menu_select(), it's
> better to use single one variable to record this value; furthermore, for
> more readable we can refactor the code to split a separate function to
> making decision for stopping tick, which also needs to use tick delta
> value as one metric for consideration.

I don't quite agree that allocating more per-CPU memory for readability
sake is a good idea, sorry.


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