linux-kernel - Re: [PATCH v2] lockdep: add lockdep_cleanup_dead

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Date:   Sun, 29 Oct 2023 18:33:18 +0100
From:   Thomas Gleixner <tglx@...utronix.de>
To:     David Woodhouse <dwmw2@...radead.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>,
        Waiman Long <longman@...hat.com>,
        Boqun Feng <boqun.feng@...il.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Cc:     Juergen Gross <jgross@...e.com>
Subject: Re: [PATCH v2] lockdep: add lockdep_cleanup_dead_cpu()

On Sat, Oct 28 2023 at 20:24, David Woodhouse wrote:
> @@ -24,12 +24,16 @@
>    extern void lockdep_hardirqs_on_prepare(void);
>    extern void lockdep_hardirqs_on(unsigned long ip);
>    extern void lockdep_hardirqs_off(unsigned long ip);
> +  extern void lockdep_cleanup_dead_cpu(unsigned int cpu,
> +				       struct task_struct *idle);

Lacks a forward declaration of 'struct task_struct'