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From: Tejun Heo <tj@kernel.org>
To: Monam Agarwal <monamagarwal123@gmail.com>
Cc: akpm@linux-foundation.org, jlayton@redhat.com, jdelvare@suse.de,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] lib: Use RCU_INIT_POINTER(x, NULL) in idr.c
Date: Mon, 24 Mar 2014 08:50:08 -0400	[thread overview]
Message-ID: <20140324125008.GB29892@mtj.dyndns.org> (raw)
In-Reply-To: <1395601808-12365-1-git-send-email-monamagarwal123@gmail.com>

On Mon, Mar 24, 2014 at 12:40:08AM +0530, Monam Agarwal wrote:
> This patch replaces rcu_assign_pointer(x, NULL) with RCU_INIT_POINTER(x, NULL)
> 
> The rcu_assign_pointer() ensures that the initialization of a structure       
> is carried out before storing a pointer to that structure. 
> And in the case of the NULL pointer, there is no structure to initialize. 
> So, rcu_assign_pointer(p, NULL) can be safely converted to RCU_INIT_POINTER(p, NULL)
> 
> Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com>

Acked-by: Tejun Heo <tj@kernel.org>

Thanks.

-- 
tejun

      reply	other threads:[~2014-03-24 12:50 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-23 19:10 Monam Agarwal
2014-03-24 12:50 ` Tejun Heo [this message]

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