linux-kernel - Re: [PATCH v2 2/4] sched: Introduce is_pcpu

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Date:   Sun, 08 Aug 2021 17:15:20 +0100
From:   Valentin Schneider <valentin.schneider@....com>
To:     Mike Galbraith <efault@....de>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, rcu@...r.kernel.org,
        linux-rt-users@...r.kernel.org
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Steven Rostedt <rostedt@...dmis.org>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Frederic Weisbecker <frederic@...nel.org>,
        Josh Triplett <josh@...htriplett.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Davidlohr Bueso <dave@...olabs.net>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Steven Price <steven.price@....com>,
        Ard Biesheuvel <ardb@...nel.org>
Subject: Re: [PATCH v2 2/4] sched: Introduce is_pcpu_safe()

On 07/08/21 03:42, Mike Galbraith wrote:
> On Sat, 2021-08-07 at 01:58 +0100, Valentin Schneider wrote:
>>
>> +static inline bool is_pcpu_safe(void)
>
> Nit: seems odd to avoid spelling it out to save two characters, percpu
> is word like, rolls off the ole tongue better than p-c-p-u.
>
>       -Mike

True. A quick grep says both versions are used, though "percpu" wins by
about a factor of 2. I'll tweak that for a v3.