Subject: Re: [PATCH 0/9] Replace rcu_assign_pointer(x, NULL) with RCU_INIT_POINTER(x,NULL)

From: Arend van Spriel <[email-masked]>
Date: Thu, 20 Mar 2014 15:58:52 +0100

On 20/03/14 15:37, Monam Agarwal wrote:
> This patchset uses following coccinelle script to replace
> rcu_assign_pointer(x, NULL) with RCU_INIT_POINTER(x,NULL)
>
> @@
> expression E;
> @@
> - rcu_assign_pointer(
> + RCU_INIT_POINTER(
> E, NULL)

I am not very familiar with rcu functionality nor coccinelle, but it 
looks too generic. I would think only NULL assignments during 
initialization should use RCU_INIT_POINTER(). The first patch in the 
series does it in a function called unregister_...(). Is it really ok to 
do there?

Gr. AvS