From 8ce4269eeedc5b31f5817f610b42cba8be8fa9de Mon Sep 17 00:00:00 2001 From: Pavel Begunkov Date: Tue, 11 Apr 2023 12:06:03 +0100 Subject: [PATCH] io_uring: add irq lockdep checks We don't post CQEs from the IRQ context, add a check catching that. Signed-off-by: Pavel Begunkov Link: https://lore.kernel.org/r/f23f7a24dbe8027b3d37873fece2b6488f878b31.1681210788.git.asml.silence@gmail.com Signed-off-by: Jens Axboe --- io_uring/io_uring.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/io_uring/io_uring.h b/io_uring/io_uring.h index ef449e43d493..25515d69d205 100644 --- a/io_uring/io_uring.h +++ b/io_uring/io_uring.h @@ -94,6 +94,8 @@ bool io_match_task_safe(struct io_kiocb *head, struct task_struct *task, #define io_lockdep_assert_cq_locked(ctx) \ do { \ + lockdep_assert(in_task()); \ + \ if (ctx->flags & IORING_SETUP_IOPOLL) { \ lockdep_assert_held(&ctx->uring_lock); \ } else if (!ctx->task_complete) { \ -- 2.25.1