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| author | Pavel Begunkov <asml.silence@gmail.com> | 2024-08-07 15:18:12 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-08-25 08:27:01 -0600 |
| commit | d5cce407e4f59b2e08d03e29d2b3c55deacc1d48 (patch) | |
| tree | e9a7437627ad8d0ccd5c0d1e4b1924319797e08d /io_uring/io_uring.c | |
| parent | 489b80060cf645e958c4755c4b5032f234409f85 (diff) | |
| download | linux-d5cce407e4f59b2e08d03e29d2b3c55deacc1d48.tar.gz linux-d5cce407e4f59b2e08d03e29d2b3c55deacc1d48.tar.bz2 linux-d5cce407e4f59b2e08d03e29d2b3c55deacc1d48.zip | |
io_uring/napi: postpone napi timeout adjustment
Remove io_napi_adjust_timeout() and move the adjustments out of the
common path into __io_napi_busy_loop(). Now the limit it's calculated
based on struct io_wait_queue::timeout, for which we query current time
another time. The overhead shouldn't be a problem, it's a polling path,
however that can be optimised later by additionally saving the delta
time value in io_cqring_wait().
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/88e14686e245b3b42ff90a3c4d70895d48676206.1723039801.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/io_uring.c')
| -rw-r--r-- | io_uring/io_uring.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 3942db160f18..9ec07f76ad19 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -2423,7 +2423,6 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events, dt = timespec64_to_ktime(ts); iowq.timeout = ktime_add(dt, ktime_get()); - io_napi_adjust_timeout(ctx, &iowq, dt); } if (sig) { |