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Date: Tue, 19 Aug 2014 13:31:48 +0200
From: Joerg Roedel <joro@8bytes.org>
To: Andreea-Cristina Bernat <bernat.ada@gmail.com>
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
        paulmck@linux.vnet.ibm.com
Subject: Re: [PATCH] iommu: Replace rcu_assign_pointer() with
 RCU_INIT_POINTER()
Message-ID: <20140819113147.GC26492@8bytes.org>
References: <20140818122056.GA29961@ada>
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On Mon, Aug 18, 2014 at 03:20:56PM +0300, Andreea-Cristina Bernat wrote:
> The use of "rcu_assign_pointer()" is NULLing out the pointer.
> According to RCU_INIT_POINTER()'s block comment:
> "1.   This use of RCU_INIT_POINTER() is NULLing out the pointer"
> it is better to use it instead of rcu_assign_pointer() because it has a
> smaller overhead.
> 
> The following Coccinelle semantic patch was used:
> @@
> @@
> 
> - rcu_assign_pointer
> + RCU_INIT_POINTER
>   (..., NULL)
> 
> Signed-off-by: Andreea-Cristina Bernat <bernat.ada@gmail.com>

Applied, thanks.