Re: [PATCH v4 1/5] RDMA/umem: Support importing dma-buf as user memory region

2020-10-15 Thread Daniel Vetter
On Wed, Oct 14, 2020 at 09:15:16AM -0700, Jianxin Xiong wrote: > 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

Re: [PATCH v4 1/5] RDMA/umem: Support importing dma-buf as user memory region

2020-10-14 Thread kernel test robot
Hi Jianxin, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on rdma/for-next] [also build test WARNING on tegra-drm/drm/tegra/for-next v5.9 next-20201013] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest

[PATCH v4 1/5] RDMA/umem: Support importing dma-buf as user memory region

2020-10-14 Thread 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