netdev - Re: [PATCH v4 1/3] genetlink: Add per family bind/unbind callbacks

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Date: Mon, 12 Feb 2024 17:07:00 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Stanislaw Gruszka <stanislaw.gruszka@...ux.intel.com>
Cc: linux-pm@...r.kernel.org, "Rafael J. Wysocki" <rafael@...nel.org>,
 Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>, Ricardo Neri
 <ricardo.neri-calderon@...ux.intel.com>, Daniel Lezcano
 <daniel.lezcano@...aro.org>, "David S. Miller" <davem@...emloft.net>, Eric
 Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Jiri Pirko
 <jiri@...nulli.us>, Johannes Berg <johannes@...solutions.net>, Florian
 Westphal <fw@...len.de>, netdev@...r.kernel.org
Subject: Re: [PATCH v4 1/3] genetlink: Add per family bind/unbind callbacks

On Mon, 12 Feb 2024 17:16:13 +0100 Stanislaw Gruszka wrote:
> Add genetlink family bind()/unbind() callbacks when adding/removing
> multicast group to/from netlink client socket via setsockopt() or
> bind() syscall.
> 
> They can be used to track if consumers of netlink multicast messages
> emerge or disappear. Thus, a client implementing callbacks, can now
> send events only when there are active consumers, preventing unnecessary
> work when none exist.
> 
> Suggested-by: Jakub Kicinski <kuba@...nel.org>
> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@...ux.intel.com>

LGTM! genetlink code is a bit hot lately, to avoid any conflicts can
I put the first patch (or all of them) on a shared branch for both
netdev and PM to pull in? Once the other two patches are reviewed,
obviously.