From: Jason Gunthorpe <jgg@ziepe.ca>
To: "Xiong, Jianxin" <jianxin.xiong@intel.com>
Cc: Leon Romanovsky <leon@kernel.org>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
Doug Ledford <dledford@redhat.com>,
Sumit Semwal <sumit.semwal@linaro.org>,
Christian Koenig <christian.koenig@amd.com>,
"Vetter, Daniel" <daniel.vetter@intel.com>
Subject: Re: [PATCH v13 1/4] RDMA/umem: Support importing dma-buf as user memory region
Date: Tue, 8 Dec 2020 14:59:15 -0400 [thread overview]
Message-ID: <20201208185915.GO5487@ziepe.ca> (raw)
In-Reply-To: <MW3PR11MB45554A727DA7940D81FE1C14E5CD0@MW3PR11MB4555.namprd11.prod.outlook.com>
On Tue, Dec 08, 2020 at 06:13:20PM +0000, Xiong, Jianxin wrote:
> > > +static inline struct ib_umem *ib_umem_dmabuf_get(struct ib_device *device,
> > > + unsigned long offset,
> > > + size_t size, int fd,
> > > + int access,
> > > + struct dma_buf_attach_ops *ops) {
> > > + return ERR_PTR(-EINVAL);
> >
> > Probably, It should be EOPNOTSUPP and not EINVAL.
>
> EINVAL is used here to be consistent with existing definitions in the same file.
They may be wrong, EOPNOTSUPP is right for this situation
Jason
next prev parent reply other threads:[~2020-12-08 21:03 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-07 22:15 [PATCH v13 0/4] RDMA: Add dma-buf support Jianxin Xiong
2020-12-07 22:15 ` [PATCH v13 1/4] RDMA/umem: Support importing dma-buf as user memory region Jianxin Xiong
2020-12-08 7:05 ` Leon Romanovsky
2020-12-08 7:10 ` Xiong, Jianxin
2020-12-08 18:13 ` Xiong, Jianxin
2020-12-08 18:59 ` Jason Gunthorpe [this message]
2020-12-08 19:33 ` Xiong, Jianxin
2020-12-08 19:02 ` Leon Romanovsky
2020-12-07 22:15 ` [PATCH v13 2/4] RDMA/core: Add device method for registering dma-buf based " Jianxin Xiong
2020-12-08 7:12 ` Leon Romanovsky
2020-12-07 22:15 ` [PATCH v13 3/4] RDMA/uverbs: Add uverbs command for dma-buf based MR registration Jianxin Xiong
2020-12-08 7:15 ` Leon Romanovsky
2020-12-07 22:15 ` [PATCH v13 4/4] RDMA/mlx5: Support dma-buf based userspace memory region Jianxin Xiong
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