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From: Thomas Gleixner <tglx@linutronix.de>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
 linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>, Daniel Bristot de Oliveira
 <bristot@kernel.org>, Boqun Feng <boqun.feng@gmail.com>, Daniel Borkmann
 <daniel@iogearbox.net>, Eric Dumazet <edumazet@google.com>, Frederic
 Weisbecker <frederic@kernel.org>, Ingo Molnar <mingo@redhat.com>, Jakub
 Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Peter
 Zijlstra <peterz@infradead.org>, Waiman Long <longman@redhat.com>, Will
 Deacon <will@kernel.org>, Sebastian Andrzej Siewior
 <bigeasy@linutronix.de>
Subject: Re: [PATCH v5 net-next 01/15] locking/local_lock: Introduce guard
 definition for local_lock.
In-Reply-To: <20240607070427.1379327-2-bigeasy@linutronix.de>
References: <20240607070427.1379327-1-bigeasy@linutronix.de>
 <20240607070427.1379327-2-bigeasy@linutronix.de>
Date: Fri, 07 Jun 2024 15:55:03 +0200
Message-ID: <878qzg26yw.ffs@tglx>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain

On Fri, Jun 07 2024 at 08:53, Sebastian Andrzej Siewior wrote:

> Introduce lock guard definition for local_lock_t. There are no users
> yet.
>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
> ---
>  include/linux/local_lock.h | 11 +++++++++++
>  1 file changed, 11 insertions(+)
>
> diff --git a/include/linux/local_lock.h b/include/linux/local_lock.h
> index e55010fa73296..82366a37f4474 100644
> --- a/include/linux/local_lock.h
> +++ b/include/linux/local_lock.h
> @@ -51,4 +51,15 @@
>  #define local_unlock_irqrestore(lock, flags)			\
>  	__local_unlock_irqrestore(lock, flags)
>  
> +DEFINE_GUARD(local_lock, local_lock_t __percpu*,
> +	     local_lock(_T),
> +	     local_unlock(_T))
> +DEFINE_GUARD(local_lock_irq, local_lock_t __percpu*,
> +	     local_lock_irq(_T),
> +	     local_unlock_irq(_T))
> +DEFINE_LOCK_GUARD_1(local_lock_irqsave, local_lock_t __percpu,
> +		    local_lock_irqsave(_T->lock, _T->flags),
> +		    local_unlock_irqrestore(_T->lock, _T->flags),
> +		    unsigned long flags)
> +
>  #endif

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>