linux-kernel - Re: [v4 PATCH 6/8] clocksource/drivers/riscv: Add required checks during clock source init

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Message-ID: <CAAhSdy3fs58TyiNTxD2NNz-MQuND6gyyg6hrKScN-iYmstXfnA@mail.gmail.com>
Date:   Wed, 13 Feb 2019 12:13:29 +0530
From:   Anup Patel <anup@...infault.org>
To:     Atish Patra <atish.patra@....com>
Cc:     linux-riscv@...ts.infradead.org, Alan Kao <alankao@...estech.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Andreas Schwab <schwab@...e.de>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Dmitriy Cherkasov <dmitriy@...-tech.org>,
        Jason Cooper <jason@...edaemon.net>,
        Johan Hovold <johan@...nel.org>,
        "linux-kernel@...r.kernel.org List" <linux-kernel@...r.kernel.org>,
        Marc Zyngier <marc.zyngier@....com>,
        Palmer Dabbelt <palmer@...ive.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Rob Herring <robh@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [v4 PATCH 6/8] clocksource/drivers/riscv: Add required checks
 during clock source init

On Tue, Feb 12, 2019 at 4:40 PM Atish Patra <atish.patra@....com> wrote:
>
> Currently, clocksource registration happens for an invalid cpu for
> non-smp kernels. This lead to kernel panic as cpu hotplug registration
> will fail for those cpus. Moreover, riscv_hartid_to_cpuid can return
> errors now.
>
> Do not proceed if hartid or cpuid is invalid. Take this opprtunity to

s/opprtunity/opportunity

Otherwise, looks good to me.

Reviewed-by: Anup Patel <anup@...infault.org>

Regards,
Anup