Subject: Re: [PATCH net-next-2.6 V2] igmp: RCU conversion of in_dev->mc_list

From: Américo Wang <[email-masked]>
Date: Sat, 13 Nov 2010 14:44:21 +0800

>
>Here is an updated version.
>
>[PATCH net-next-2.6 V2] igmp: RCU conversion of in_dev->mc_list
>
>in_dev->mc_list is protected by one rwlock (in_dev->mc_list_lock).
>
>This can easily be converted to a RCU protection.
>
>Writers hold RTNL, so mc_list_lock is removed, not replaced by a
>spinlock.

Ah, this saves much work.

>
>Signed-off-by: Eric Dumazet <[email-masked]>
>Cc: Cypher Wu <[email-masked]>
>Cc: Américo Wang <[email-masked]>

I just did a quick look, it looks good to me.

Thanks!