> -----Original Message----- > From: Christian König <[email protected]> > Sent: Monday, October 05, 2020 3:55 AM > To: Xiong, Jianxin <[email protected]>; [email protected]; > [email protected] > Cc: Doug Ledford <[email protected]>; Jason Gunthorpe <[email protected]>; Leon > Romanovsky <[email protected]>; Sumit Semwal > <[email protected]>; Vetter, Daniel <[email protected]> > Subject: Re: [RFC PATCH v3 1/4] RDMA/umem: Support importing dma-buf as user > memory region > > Hi Jianxin, > > Am 04.10.20 um 21:12 schrieb Jianxin Xiong: > > Dma-buf is a standard cross-driver buffer sharing mechanism that can > > be used to support peer-to-peer access from RDMA devices. > > > > Device memory exported via dma-buf is associated with a file descriptor. > > This is passed to the user space as a property associated with the > > buffer allocation. When the buffer is registered as a memory region, > > the file descriptor is passed to the RDMA driver along with other > > parameters. > > > > Implement the common code for importing dma-buf object and mapping > > dma-buf pages. > > > > Signed-off-by: Jianxin Xiong <[email protected]> > > Reviewed-by: Sean Hefty <[email protected]> > > Acked-by: Michael J. Ruhl <[email protected]> > > well first of all really nice work you have done here. > > Since I'm not an expert on RDMA or its drivers I can't really review any of > that part. > > But at least from the DMA-buf side it looks like you are using the interface > correctly as intended. > > So feel free to add an Acked-by: Christian König <[email protected]> > if it helps. > > Thanks, > Christian.
Thanks, will do. _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
