Re: [PATCH for-next] RDMA/rxe: Remove unused rxe_mem_map_pages

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On Mon, Jun 22, 2020 at 5:32 PM Kamal Heib <kamalheib1@xxxxxxxxx> wrote:
>
> This function is not in use - delete it.
>
Add:

Fixes: 8700e3e7c485 ("Soft RoCE driver")

Is it better?

Zhu Yanjun

> Signed-off-by: Kamal Heib <kamalheib1@xxxxxxxxx>
> ---
>  drivers/infiniband/sw/rxe/rxe_loc.h |  3 --
>  drivers/infiniband/sw/rxe/rxe_mr.c  | 44 -----------------------------
>  2 files changed, 47 deletions(-)
>
> diff --git a/drivers/infiniband/sw/rxe/rxe_loc.h b/drivers/infiniband/sw/rxe/rxe_loc.h
> index 775c23becaec..238d6a357aac 100644
> --- a/drivers/infiniband/sw/rxe/rxe_loc.h
> +++ b/drivers/infiniband/sw/rxe/rxe_loc.h
> @@ -132,9 +132,6 @@ struct rxe_mem *lookup_mem(struct rxe_pd *pd, int access, u32 key,
>
>  int mem_check_range(struct rxe_mem *mem, u64 iova, size_t length);
>
> -int rxe_mem_map_pages(struct rxe_dev *rxe, struct rxe_mem *mem,
> -                     u64 *page, int num_pages, u64 iova);
> -
>  void rxe_mem_cleanup(struct rxe_pool_entry *arg);
>
>  int advance_dma_data(struct rxe_dma_info *dma, unsigned int length);
> diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c b/drivers/infiniband/sw/rxe/rxe_mr.c
> index e83c7b518bfa..a63cb5fac01f 100644
> --- a/drivers/infiniband/sw/rxe/rxe_mr.c
> +++ b/drivers/infiniband/sw/rxe/rxe_mr.c
> @@ -587,47 +587,3 @@ struct rxe_mem *lookup_mem(struct rxe_pd *pd, int access, u32 key,
>
>         return mem;
>  }
> -
> -int rxe_mem_map_pages(struct rxe_dev *rxe, struct rxe_mem *mem,
> -                     u64 *page, int num_pages, u64 iova)
> -{
> -       int i;
> -       int num_buf;
> -       int err;
> -       struct rxe_map **map;
> -       struct rxe_phys_buf *buf;
> -       int page_size;
> -
> -       if (num_pages > mem->max_buf) {
> -               err = -EINVAL;
> -               goto err1;
> -       }
> -
> -       num_buf         = 0;
> -       page_size       = 1 << mem->page_shift;
> -       map             = mem->map;
> -       buf             = map[0]->buf;
> -
> -       for (i = 0; i < num_pages; i++) {
> -               buf->addr = *page++;
> -               buf->size = page_size;
> -               buf++;
> -               num_buf++;
> -
> -               if (num_buf == RXE_BUF_PER_MAP) {
> -                       map++;
> -                       buf = map[0]->buf;
> -                       num_buf = 0;
> -               }
> -       }
> -
> -       mem->iova       = iova;
> -       mem->va         = iova;
> -       mem->length     = num_pages << mem->page_shift;
> -       mem->state      = RXE_MEM_STATE_VALID;
> -
> -       return 0;
> -
> -err1:
> -       return err;
> -}
> --
> 2.25.4
>



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