netdev - Re: [MAINLINE 0/2] Enable DIM for legacy ULPs and use it in RDS

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Message-ID: <Zuwyf0N_6E6Alx-H@infradead.org>
Date: Thu, 19 Sep 2024 07:17:35 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Håkon Bugge <haakon.bugge@...cle.com>
Cc: Jason Gunthorpe <jgg@...pe.ca>, Leon Romanovsky <leon@...nel.org>,
	Allison Henderson <allison.henderson@...cle.com>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, rds-devel@....oracle.com
Subject: Re: [MAINLINE 0/2] Enable DIM for legacy ULPs and use it in RDS

On Wed, Sep 18, 2024 at 10:35:50AM +0200, Håkon Bugge wrote:
> The Dynamic Interrupt Moderation mechanism can only be used by ULPs
> using ib_alloc_cq() and family. We extend DIM to also cover legacy
> ULPs using ib_create_cq(). The last commit takes advantage of this end
> uses DIM in RDS.

I would much prefer if you could move RDS off that horrible API finally
instead of investing more effort into it and making it more complicated.