netdev - Re: [PATCH net-next] dpll: avoid multiple function calls to dump netdev info

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Date: Fri, 1 Mar 2024 09:31:28 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Jiri Pirko <jiri@...nulli.us>
Cc: Eric Dumazet <edumazet@...gle.com>, davem@...emloft.net,
 netdev@...r.kernel.org, pabeni@...hat.com, vadim.fedorenko@...ux.dev,
 arkadiusz.kubalewski@...el.com
Subject: Re: [PATCH net-next] dpll: avoid multiple function calls to dump
 netdev info

On Fri, 1 Mar 2024 17:24:07 +0100 Eric Dumazet wrote:
> > >BTW is the empty nest if the netdev has no pin intentional?  
> >
> > The user can tell if this is or is not supported by kernel easily.  

Seems legit, although user can also do:

$ genl ctrl list | grep dpll
Name: dpll

> This is a high cost for hosts with hundreds of devices :/

right, a bit high cost for a relatively rare feature :(