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From: Leon Romanovsky <leon@kernel.org>
To: Michael Margolin <mrgolin@amazon.com>
Cc: jgg@nvidia.com, linux-rdma@vger.kernel.org, sleybo@amazon.com,
	matua@amazon.com, gal.pressman@linux.dev,
	Daniel Kranzdorf <dkkranzd@amazon.com>,
	Yonatan Nachum <ynachum@amazon.com>
Subject: Re: [PATCH for-next] RDMA/efa: Add CQ with external memory support
Date: Sun, 18 May 2025 09:42:41 +0300	[thread overview]
Message-ID: <20250518064241.GC7435@unreal> (raw)
In-Reply-To: <20250515145040.6862-1-mrgolin@amazon.com>

On Thu, May 15, 2025 at 02:50:40PM +0000, Michael Margolin wrote:
> Add an option to create CQ using external memory instead of allocating
> in the driver. The memory can be passed from userspace by dmabuf fd and
> an offset.

EFA is unique here. This patch is missing description of why it is
needed, and why existing solutions if any exist, can't be used.

Thanks

  reply	other threads:[~2025-05-18  6:42 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-15 14:50 [PATCH for-next] RDMA/efa: Add CQ with external memory support Michael Margolin
2025-05-18  6:42 ` Leon Romanovsky [this message]
2025-05-18  8:56   ` Margolin, Michael
2025-05-20  9:16     ` Leon Romanovsky
2025-05-21 15:19       ` Margolin, Michael
2025-05-25 17:52         ` Jason Gunthorpe
2025-05-26 15:45           ` Margolin, Michael
2025-05-26 16:08             ` Jason Gunthorpe
2025-05-26 16:17               ` Margolin, Michael
2025-06-09 15:03                 ` Margolin, Michael
2025-06-11 19:47                   ` Jason Gunthorpe
2025-06-24 16:39                     ` Margolin, Michael

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