Re: [PATCH] iommu: Replace rcu_assign_pointer() with RCU_INIT_POINTER()

From: Joerg Roedel
Date: Tue Aug 19 2014 - 07:31:54 EST


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@xxxxxxxxx>

Applied, thanks.

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