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| author | Stefan Bühler <source@stbuehler.de> | 2019-04-24 23:54:21 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-04-30 09:40:02 -0600 |
| commit | b841f19524a16cd93a39f9306191f85c549a2bc2 (patch) | |
| tree | 6ed94a8b3e74f6b97a7e95ad4a6bdb386f45cc6b | |
| parent | 82ab082c0e2f8592c2ff6b2ab99a92d8406c8c2c (diff) | |
io_uring: remove unnecessary barrier after incrementing dropped counter
smp_store_release in io_commit_sqring already orders the store to
dropped before the update to SQ head.
Signed-off-by: Stefan Bühler <source@stbuehler.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | fs/io_uring.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 662f1c070c8c..2ebc33cc907b 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1846,8 +1846,6 @@ static bool io_get_sqring(struct io_ring_ctx *ctx, struct sqe_submit *s) /* drop invalid entries */ ctx->cached_sq_head++; ring->dropped++; - /* See comment at the top of this file */ - smp_wmb(); return false; } |