linux-kernel - Re: [PATCH v3 10/14] sched: Introduce arch_cpu_allowed

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Message-ID: <20201123144824.GA586782@google.com>
Date:   Mon, 23 Nov 2020 14:48:24 +0000
From:   Quentin Perret <qperret@...gle.com>
To:     Will Deacon <will@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        Marc Zyngier <maz@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Qais Yousef <qais.yousef@....com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Tejun Heo <tj@...nel.org>, Li Zefan <lizefan@...wei.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Ingo Molnar <mingo@...hat.com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        kernel-team@...roid.com
Subject: Re: [PATCH v3 10/14] sched: Introduce arch_cpu_allowed_mask() to
 limit fallback rq selection

On Thursday 19 Nov 2020 at 20:39:07 (+0000), Will Deacon wrote:
> Ah, so in doing this I realised I don't like arch_cpu_possible_mask() so
> much because it makes it sound like a back-end to cpu_possible_mask, but
> the two are really different things.
> 
> arch_task_cpu_possible_mask() might work?

Yes, making it explicit in the name that this is a task-specific thing
doesn't hurt.

Thanks,
Quentin