Patch "io_uring/poll: lockdep annote io_poll_req_insert_locked" has been added to the 6.0-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    io_uring/poll: lockdep annote io_poll_req_insert_locked

to the 6.0-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     io_uring-poll-lockdep-annote-io_poll_req_insert_lock.patch
and it can be found in the queue-6.0 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit e2e9ab01df693f00442fc1d3868bb92c3e9d06c3
Author: Pavel Begunkov <asml.silence@xxxxxxxxx>
Date:   Fri Nov 11 16:51:30 2022 +0000

    io_uring/poll: lockdep annote io_poll_req_insert_locked
    
    [ Upstream commit 5576035f15dfcc6cb1cec236db40c2c0733b0ba4 ]
    
    Add a lockdep annotation in io_poll_req_insert_locked().
    
    Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
    Link: https://lore.kernel.org/r/8115d8e702733754d0aea119e9b5bb63d1eb8b24.1668184658.git.asml.silence@xxxxxxxxx
    Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/io_uring/poll.c b/io_uring/poll.c
index ba0f68466930..055632e9092a 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);
 }