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authorPavel Begunkov2023-04-11 12:06:03 +0100
committerJens Axboe2023-04-12 12:09:41 -0600
commit8ce4269eeedc5b31f5817f610b42cba8be8fa9de (patch)
tree545f19a5e24e971fa3ac7eaa6a2ac496b9e84945 /io_uring
parentceac766a5581e4e671ec8e5236b8fdaed8e4c8c9 (diff)
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 <asml.silence@gmail.com> Link: https://lore.kernel.org/r/f23f7a24dbe8027b3d37873fece2b6488f878b31.1681210788.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring')
-rw-r--r--io_uring/io_uring.h2
1 files changed, 2 insertions, 0 deletions
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) { \