netdev - Re: [PATCH net-next v2 10/12] ethtool: rss: support skipping contexts during dump

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Message-ID: <Zq50cbN7jFx9hHsR@LQ3V64L9R2>
Date: Sat, 3 Aug 2024 19:18:25 +0100
From: Joe Damato <jdamato@...tly.com>
To: Jakub Kicinski <kuba@...nel.org>
Cc: davem@...emloft.net, netdev@...r.kernel.org, edumazet@...gle.com,
	pabeni@...hat.com, dxu@...uu.xyz, ecree.xilinx@...il.com,
	przemyslaw.kitszel@...el.com, donald.hunter@...il.com,
	gal.pressman@...ux.dev, tariqt@...dia.com,
	willemdebruijn.kernel@...il.com
Subject: Re: [PATCH net-next v2 10/12] ethtool: rss: support skipping
 contexts during dump

On Fri, Aug 02, 2024 at 09:26:22PM -0700, Jakub Kicinski wrote:
> Applications may want to deal with dynamic RSS contexts only.
> So dumping context 0 will be counter-productive for them.
> Support starting the dump from a given context ID.
> 
> Alternative would be to implement a dump flag to skip just
> context 0, not sure which is better...

Neither am I.

While I personally like the idea of skipping an arbitrary number of
contexts when dumping them, I would guess that the vast majority of
use cases (maybe all?) will be to skip context 0.