Re: [PATCH] io_uring: add missing IORING_MAP_OFF_ZCRX_REGION in io_uring_mmap

Pavel Begunkov
2025-02-21T12:13:19Z

On 2/21/25 08:59, Bui Quang Minh wrote:
> Allow user to mmap the kernel allocated zerocopy-rx refill queue.

Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>

>
> Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
> ---
> io_uring/memmap.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/io_uring/memmap.c b/io_uring/memmap.c
> index 361134544427..76fcc79656b0 100644
> --- a/io_uring/memmap.c
> +++ b/io_uring/memmap.c
> @@ -271,6 +271,8 @@ static struct io_mapped_region *io_mmap_get_region(struct io_ring_ctx *ctx,
> return io_pbuf_get_region(ctx, bgid);
> case IORING_MAP_OFF_PARAM_REGION:
> return &ctx->param_region;
> + case IORING_MAP_OFF_ZCRX_REGION:
> + return &ctx->zcrx_region;
> }
> return NULL;
> }

--
Pavel Begunkov