linux-kernel - Re: [mm] 408579cd62: WARNING:suspicious_RCU

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Message-ID: <CAHk-=wijh9Gi14SRe0riD8Y9EdPpo3MNU_XDu8vpjY6xWdNhpQ@mail.gmail.com>
Date:   Mon, 3 Jul 2023 10:46:55 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Marc Zyngier <maz@...nel.org>
Cc:     Conor Dooley <conor@...nel.org>,
        Anup Patel <apatel@...tanamicro.com>,
        Palmer Dabbelt <palmer@...osinc.com>,
        lkp <oliver.sang@...el.com>,
        "Liam R. Howlett" <Liam.Howlett@...cle.com>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
        lkp@...el.com
Subject: Re: [mm] 408579cd62: WARNING:suspicious_RCU_usage

On Mon, 3 Jul 2023 at 10:34, Marc Zyngier <maz@...nel.org> wrote:
>
> Comparing with what we do on arm64, a less radical change would be to
> move the IPI init after notify_cpu_starting(), which explicitly
> enables RCU usage.

Ack, that looks right to me.

              Linus