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From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Mon, 3 Jul 2023 10:46:55 -0700
Message-ID: <CAHk-=wijh9Gi14SRe0riD8Y9EdPpo3MNU_XDu8vpjY6xWdNhpQ@mail.gmail.com>
Subject: Re: [mm] 408579cd62: WARNING:suspicious_RCU_usage
To:     Marc Zyngier <maz@kernel.org>
Cc:     Conor Dooley <conor@kernel.org>,
        Anup Patel <apatel@ventanamicro.com>,
        Palmer Dabbelt <palmer@rivosinc.com>,
        lkp <oliver.sang@intel.com>,
        "Liam R. Howlett" <Liam.Howlett@oracle.com>,
        LKML <linux-kernel@vger.kernel.org>, lkp@lists.01.org,
        lkp@intel.com
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On Mon, 3 Jul 2023 at 10:34, Marc Zyngier <maz@kernel.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