On Tue, Oct 27, 2020 at 08:33:52PM +, Xiong, Jianxin wrote:
> > > @@ -801,6 +816,52 @@ static int pagefault_implicit_mr(struct mlx5_ib_mr
> > > *imr,
> > > * Returns:
> > > * -EFAULT: The io_virt->bcnt is not within the MR, it covers pages
> > > that are
> > > * not accessibl
Daniel
>
> Subject: Re: [PATCH v6 4/4] RDMA/mlx5: Support dma-buf based userspace memory
> region
>
> On Tue, Oct 27, 2020 at 08:33:52PM +, Xiong, Jianxin wrote:
> > > > @@ -801,6 +816,52 @@ static int pagefault_implicit_mr(struct mlx5_ib_mr
> > > > *imr,
On Fri, Oct 23, 2020 at 09:40:01AM -0700, Jianxin Xiong wrote:
> diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
> index b261797..3bc412b 100644
> +++ b/drivers/infiniband/hw/mlx5/mr.c
> @@ -1,5 +1,6 @@
> /*
> * Copyright (c) 2013-2015, Mellanox Technologies. All
Daniel
>
> Subject: Re: [PATCH v6 4/4] RDMA/mlx5: Support dma-buf based userspace memory
> region
>
> On Fri, Oct 23, 2020 at 09:40:01AM -0700, Jianxin Xiong wrote:
>
> > diff --git a/drivers/infiniband/hw/mlx5/mr.c
> > b/drivers/infiniband/hw/mlx5/mr.c index b261797..3b
Implement the new driver method 'reg_user_mr_dmabuf'. Utilize the core
functions to import dma-buf based memory region and update the mappings.
Add code to handle dma-buf related page fault.
Signed-off-by: Jianxin Xiong
Reviewed-by: Sean Hefty
Acked-by: Michael J. Ruhl
Acked-by: Christian Koe
