linux-kernel - Re: [PATCH] locking/lockdep: Remove lockdep_init_map

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Message-ID: <5a8ffc81-b7dc-7bbe-e925-7d1c39fd2d69@redhat.com>
Date:   Tue, 15 Mar 2022 10:56:51 -0400
From:   Waiman Long <longman@...hat.com>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        linux-kernel@...r.kernel.org
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>,
        Boqun Feng <boqun.feng@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] locking/lockdep: Remove lockdep_init_map_crosslock.

On 3/11/22 11:44, Sebastian Andrzej Siewior wrote:
> The cross-release bits have been removed, lockdep_init_map_crosslock() is
> a leftover.
>
> Remove lockdep_init_map_crosslock.
>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
> ---
>   include/linux/lockdep.h | 1 -
>   1 file changed, 1 deletion(-)
>
> diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
> index 467b94257105e..3d948f001f182 100644
> --- a/include/linux/lockdep.h
> +++ b/include/linux/lockdep.h
> @@ -431,7 +431,6 @@ enum xhlock_context_t {
>   	XHLOCK_CTX_NR,
>   };
>   
> -#define lockdep_init_map_crosslock(m, n, k, s) do {} while (0)
>   /*
>    * To initialize a lockdep_map statically use this macro.
>    * Note that _name must not be NULL.

LGTM

Reviewed-by: Waiman Long <longman@...hat.com>