* [PATCH AUTOSEL 6.0 44/44] io_uring/poll: lockdep annote io_poll_req_insert_locked
[not found] <[email protected]>
@ 2022-11-19 2:11 ` Sasha Levin
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From: Sasha Levin @ 2022-11-19 2:11 UTC (permalink / raw)
To: linux-kernel, stable; +Cc: Pavel Begunkov, Jens Axboe, Sasha Levin, io-uring
From: Pavel Begunkov <[email protected]>
[ Upstream commit 5576035f15dfcc6cb1cec236db40c2c0733b0ba4 ]
Add a lockdep annotation in io_poll_req_insert_locked().
Signed-off-by: Pavel Begunkov <[email protected]>
Link: https://lore.kernel.org/r/8115d8e702733754d0aea119e9b5bb63d1eb8b24.1668184658.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
io_uring/poll.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/io_uring/poll.c b/io_uring/poll.c
index 0d9f49c575e0..810425ec2736 100644
--- a/io_uring/poll.c
+++ b/io_uring/poll.c
@@ -116,6 +116,8 @@ static void io_poll_req_insert_locked(struct io_kiocb *req)
struct io_hash_table *table = &req->ctx->cancel_table_locked;
u32 index = hash_long(req->cqe.user_data, table->hash_bits);
+ lockdep_assert_held(&req->ctx->uring_lock);
+
hlist_add_head(&req->hash_node, &table->hbs[index].list);
}
--
2.35.1
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2022-11-19 2:11 ` [PATCH AUTOSEL 6.0 44/44] io_uring/poll: lockdep annote io_poll_req_insert_locked Sasha Levin
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