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Message-ID: <ZToBkrWEh2Yn/Dqb@nanopsycho> Date: Thu, 26 Oct 2023 08:05:06 +0200 From: Jiri Pirko <jiri@...nulli.us> To: Jakub Kicinski <kuba@...nel.org> Cc: davem@...emloft.net, netdev@...r.kernel.org, edumazet@...gle.com, pabeni@...hat.com Subject: Re: [PATCH net-next] netlink: specs: support conditional operations Wed, Oct 25, 2023 at 06:22:53PM CEST, kuba@...nel.org wrote: >Page pool code is compiled conditionally, but the operations >are part of the shared netlink family. We can handle this >by reporting empty list of pools or -EOPNOTSUPP / -ENOSYS >but the cleanest way seems to be removing the ops completely >at compilation time. That way user can see that the page >pool ops are not present using genetlink introspection. >Same way they'd check if the kernel is "new enough" to >support the ops. > >Extend the specs with the ability to specify the config >condition under which op (and its policies, etc.) should >be hidden. > >Signed-off-by: Jakub Kicinski <kuba@...nel.org> Reviewed-by: Jiri Pirko <jiri@...dia.com>
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