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

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Subject: Re: [MAINLINE 0/2] Enable DIM for legacy ULPs and use it in RDS
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Fri, 20 Sep 2024 06:51:18 -0700
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxx>, Leon Romanovsky <leon@xxxxxxxxxx>, Allison Henderson <allison.henderson@xxxxxxxxxx>, "David S . Miller" <davem@xxxxxxxxxxxxx>, Eric Dumazet <edumazet@xxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Paolo Abeni <pabeni@xxxxxxxxxx>, OFED mailing list <linux-rdma@xxxxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "netdev@xxxxxxxxxxxxxxx" <netdev@xxxxxxxxxxxxxxx>, "rds-devel@xxxxxxxxxxxxxx" <rds-devel@xxxxxxxxxxxxxx>
In-reply-to: <C00EA178-ED20-4D56-B6F2-200AC72F3A39@oracle.com>
References: <20240918083552.77531-1-haakon.bugge@oracle.com> <Zuwyf0N_6E6Alx-H@infradead.org> <C00EA178-ED20-4D56-B6F2-200AC72F3A39@oracle.com>

On Fri, Sep 20, 2024 at 09:46:06AM +0000, Haakon Bugge wrote:
> > 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.
> 
> ib_alloc_cq() and family does not support arming the CQ with the IB_CQ_SOLICITED flag, which RDS uses.

Then work on supporting it.  RDS and SMC are the only users, so one
of the maintainers needs to drive it.

Follow-Ups:
- Re: [MAINLINE 0/2] Enable DIM for legacy ULPs and use it in RDS
  - From: Christoph Hellwig
- Re: [MAINLINE 0/2] Enable DIM for legacy ULPs and use it in RDS
  - From: Zhu Yanjun

References:
- [MAINLINE 0/2] Enable DIM for legacy ULPs and use it in RDS
  - From: Håkon Bugge
- Re: [MAINLINE 0/2] Enable DIM for legacy ULPs and use it in RDS
  - From: Christoph Hellwig
- Re: [MAINLINE 0/2] Enable DIM for legacy ULPs and use it in RDS
  - From: Haakon Bugge

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