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Date: Wed, 22 Nov 2023 11:50:55 -0800
From: Jakub Kicinski <kuba@kernel.org>
To: Jiri Pirko <jiri@resnulli.us>
Cc: netdev@vger.kernel.org, pabeni@redhat.com, davem@davemloft.net,
 edumazet@google.com, jacob.e.keller@intel.com, jhs@mojatatu.com,
 johannes@sipsolutions.net, andriy.shevchenko@linux.intel.com,
 amritha.nambiar@intel.com, sdf@google.com, horms@kernel.org
Subject: Re: [patch net-next v3 5/9] genetlink: implement release callback
 and free sk_user_data there
Message-ID: <20231122115055.0731c225@kernel.org>
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On Wed, 22 Nov 2023 19:20:58 +0100 Jiri Pirko wrote:
> >I'm pretty sure I complained when it was being added. Long story.
> >AFAIU user as in if the socket is opened by a kernel module, the kernel
> >module is the user. There's no need to use this field for the
> >implementation since the implementation can simply extend its 
> >own structure to add a properly typed field.  
> 
> Okay, excuse me, as always I'm slow here. What structure are
> you refering to?

struct netlink_sock. Technically it may be a little cleaner to wrap 
that in another struct that will be genetlink specific. But that's
a larger surgery for relatively little benefit at this stage.