Kernel/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2025-01-01 10:45:49 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

io_uring: add irq lockdep checks

Browse Source 
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>
This commit is contained in:
Pavel Begunkov 2023-04-11 12:06:03 +01:00 committed by Jens Axboe
parent ceac766a55
commit 8ce4269eee
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
io_uring/io_uring.h
View File

@ -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) { \