Subject: Re: [PATCH net v2] l2tp: Serialize access to sk_user_data with sock lock

From: Jakub Kicinski <[email-masked]>
Date: Wed, 17 Aug 2022 08:51:18 -0700

On Wed, 17 Aug 2022 16:33:33 +0200 Jakub Sitnicki wrote:
> > Note to other netdev maintainers that based on the discussion about 
> > the reuseport locking it's unclear whether we shouldn't also take 
> > the callback lock...  
> 
> You're right. reuseport_array, psock, and kcm protect sk_user_data with
> the callback lock, not the sock lock. Need to fix it.

Where 'it' == current patch? Would you mind adding to the kdoc on
sk_user_data that it's protected by the callback lock while at it?