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io_uring: mark known and harmless racy ctx->int_flags uses

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There are a few of these, where flags are read outside of the
uring_lock, yet it's harmless to race on them.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe
2026-03-14 08:46:17 -06:00
parent f1a424e21c
commit 8c55744919
3 changed files with 6 additions and 5 deletions
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io_uring/io_uring.c
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@@ -2242,7 +2242,7 @@ static __poll_t io_uring_poll(struct file *file, poll_table *wait)
struct io_ring_ctx *ctx = file->private_data;
__poll_t mask = 0;
if (unlikely(!(ctx->int_flags & IO_RING_F_POLL_ACTIVATED)))
if (unlikely(!(data_race(ctx->int_flags) & IO_RING_F_POLL_ACTIVATED)))
io_activate_pollwq(ctx);
/*
* provides mb() which pairs with barrier from wq_has_sleeper