netdev - Re: [PATCH net-next 0/9][pull request] ice: managing MSI-X in driver

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Message-ID: <20250204144252.686a466e@kernel.org>
Date: Tue, 4 Feb 2025 14:42:52 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Tony Nguyen <anthony.l.nguyen@...el.com>
Cc: davem@...emloft.net, pabeni@...hat.com, edumazet@...gle.com,
 andrew+netdev@...n.ch, netdev@...r.kernel.org,
 michal.swiatkowski@...ux.intel.com, sridhar.samudrala@...el.com,
 jacob.e.keller@...el.com, pio.raczynski@...il.com,
 konrad.knitter@...el.com, marcin.szycik@...el.com,
 nex.sw.ncis.nat.hpm.dev@...el.com, przemyslaw.kitszel@...el.com,
 jiri@...nulli.us, horms@...nel.org, David.Laight@...LAB.COM,
 pmenzel@...gen.mpg.de, mschmidt@...hat.com, tatyana.e.nikolova@...el.com,
 Jason Gunthorpe <jgg@...pe.ca>, Leon Romanovsky <leon@...nel.org>,
 linux-rdma@...r.kernel.org
Subject: Re: [PATCH net-next 0/9][pull request] ice: managing MSI-X in
 driver

On Mon,  3 Feb 2025 13:09:29 -0800 Tony Nguyen wrote:
> Now changing queues using ethtool is also changing MSI-X. If there is
> enough MSI-X it is always one to one. When there is not enough there
> will be more queues than MSI-X. There is a lack of ability to set how
> many queues should be used per MSI-X. Maybe we should introduce another
> ethtool param for it? Sth like queues_per_vector?

It's probably okay for today. AFAIU ethtool channels basically
correspond to IRQs. As the queue API matures we'll have
the ability to allocate more queues for "channel" == IRQ / event
queue.

> The following are changes since commit c2933b2befe25309f4c5cfbea0ca80909735fd76:
>   Merge tag 'net-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
> and are available in the git repository at:
>   git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue 100GbE

Tony, the patches in your tree are missing your SoB, and I suspect 
you may need the same PR to get pulled into RDMA, so I'm not applying
from the list... Please respin.
-- 
pw-bot: cr