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From: "Xiong, Jianxin" <jianxin.xiong@intel.com>
To: Leon Romanovsky <leon@kernel.org>
Cc: "linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
	Doug Ledford <dledford@redhat.com>,
	Jason Gunthorpe <jgg@ziepe.ca>,
	Sumit Semwal <sumit.semwal@linaro.org>
Subject: RE: [RFC PATCH 1/3] RDMA/umem: Support importing dma-buf as user memory region
Date: Thu, 16 Apr 2020 21:08:55 +0000	[thread overview]
Message-ID: <MW3PR11MB45555D053D389175F030BF9BE5D80@MW3PR11MB4555.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20200416180201.GH1309273@unreal>

> > Dma-buf, a standard cross-driver buffer sharing mechanism, is chosen
> > to be the basis of a non-proprietary approach for supporting RDMA
> > to/from buffers allocated from device local memory (e.g. GPU VRAM).
> 
> Where can I read more about "is chosen to be the basis of a non-proprietary approach" part of the sentence?
> 
> Especially HMM vs. dma-buf in this regard.
> 

I will write up more details. Thanks.



  parent reply	other threads:[~2020-04-16 21:08 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-16 17:09 [RFC PATCH 0/3] RDMA: Add dma-buf support Jianxin Xiong
2020-04-16 17:09 ` [RFC PATCH 1/3] RDMA/umem: Support importing dma-buf as user memory region Jianxin Xiong
2020-04-16 18:01   ` Jason Gunthorpe
2020-04-16 19:41     ` Xiong, Jianxin
2020-04-17 12:31       ` Jason Gunthorpe
2020-04-17 15:49         ` Xiong, Jianxin
2020-04-16 18:02   ` Leon Romanovsky
2020-04-16 18:04     ` Jason Gunthorpe
2020-04-16 18:30       ` Leon Romanovsky
2020-04-16 21:08     ` Xiong, Jianxin [this message]
2020-04-16 17:09 ` [RFC PATCH 2/3] RDMA/uverbs: Add uverbs commands for fd-based MR registration Jianxin Xiong
2020-04-16 17:47   ` Jason Gunthorpe
2020-04-16 18:32     ` Xiong, Jianxin
2020-04-17 12:35       ` Jason Gunthorpe
2020-04-16 17:09 ` [RFC PATCH 3/3] RDMA/mlx5: Support new uverbs commands for registering fd-based MR Jianxin Xiong
2020-04-16 17:54 ` [RFC PATCH 0/3] RDMA: Add dma-buf support Jason Gunthorpe
2020-04-16 19:08   ` Xiong, Jianxin
2020-04-16 19:34     ` Jason Gunthorpe
2020-04-16 21:02       ` Xiong, Jianxin
2020-04-17 12:35         ` Jason Gunthorpe
2020-04-17 16:49           ` Xiong, Jianxin

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