Re: [PATCH] io_uring: add missing IORING_MAP_OFF_ZCRX_REGION in io_uring_mmap
From: Pavel Begunkov
Date: Fri Feb 21 2025 - 07:13:48 EST
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@xxxxxxxxx>
Signed-off-by: Bui Quang Minh <minhquangbui99@xxxxxxxxx>
---
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