jsauer/torvalds-linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-01-12 01:20:14 +00:00
Code

io_uring: add missing IORING_MAP_OFF_ZCRX_REGION in io_uring_mmap

Browse Source 
Allow user to mmap the kernel allocated zerocopy-rx refill queue.

Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Li Zetao <lizetao1@huawei.com>
Link: https://lore.kernel.org/r/20250221085933.26034-1-minhquangbui99@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Bui Quang Minh 2025-02-21 15:59:33 +07:00 committed by Jens Axboe
parent 0d2cdc35e8
commit 92ade52f26
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
io_uring/memmap.c
View File

@ -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;
}