From: Bui Quang Minh <minhquangbui99@gmail.com>
To: io-uring@vger.kernel.org
Cc: Jens Axboe <axboe@kernel.dk>,
Pavel Begunkov <asml.silence@gmail.com>,
David Wei <dw@davidwei.uk>,
linux-kernel@vger.kernel.org,
Bui Quang Minh <minhquangbui99@gmail.com>
Subject: [PATCH] io_uring: add missing IORING_MAP_OFF_ZCRX_REGION in io_uring_mmap
Date: Fri, 21 Feb 2025 15:59:33 +0700 [thread overview]
Message-ID: <20250221085933.26034-1-minhquangbui99@gmail.com> (raw)
Allow user to mmap the kernel allocated zerocopy-rx refill queue.
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;
}
--
2.43.0
next reply other threads:[~2025-02-21 8:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-21 8:59 Bui Quang Minh [this message]
2025-02-21 9:10 ` [PATCH] io_uring: add missing IORING_MAP_OFF_ZCRX_REGION in io_uring_mmap lizetao
2025-02-21 12:20 ` Pavel Begunkov
2025-02-21 16:39 ` Jens Axboe
2025-02-21 17:06 ` Pavel Begunkov
2025-02-21 17:28 ` Jens Axboe
2025-02-21 12:14 ` Pavel Begunkov
2025-02-21 16:41 ` Jens Axboe
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