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| author | Jens Axboe <axboe@kernel.dk> | 2026-06-11 20:27:22 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2026-06-13 06:26:53 -0600 |
| commit | ed64f5c546b3d5e3a4840f6c055448ce90edf56c (patch) | |
| tree | e8dc51ff5f5d1ff3b5b3c377d561dcdf901202ab /io_uring | |
| parent | 753f81b3b8d78d1e34872b9c14dff3a841ada4b4 (diff) | |
| download | ath-ed64f5c546b3d5e3a4840f6c055448ce90edf56c.tar.gz | |
io_uring: grab RCU read lock marking task run
Not required right now, as io_req_local_work_add() already calls this
helper with the RCU read lock held. But in preparation for that not
being the case, grab it locally.
Reviewed-by: Caleb Sander Mateos <csander@purestorage.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/tw.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/io_uring/tw.c b/io_uring/tw.c index 023d5e6bc491a..f4335c8d50d93 100644 --- a/io_uring/tw.c +++ b/io_uring/tw.c @@ -158,11 +158,11 @@ void tctx_task_work(struct callback_head *cb) */ static void io_ctx_mark_taskrun(struct io_ring_ctx *ctx) { - lockdep_assert_in_rcu_read_lock(); - if (ctx->flags & IORING_SETUP_TASKRUN_FLAG) { - struct io_rings *rings = rcu_dereference(ctx->rings_rcu); + struct io_rings *rings; + guard(rcu)(); + rings = rcu_dereference(ctx->rings_rcu); atomic_or(IORING_SQ_TASKRUN, &rings->sq_flags); } } |