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| author | Jakub Kicinski <kuba@kernel.org> | 2024-02-09 10:01:12 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-02-09 10:35:34 -0800 |
| commit | f6ce9a1f6aecccac25635125f6bd9072322c3747 (patch) | |
| tree | d5d670edfab11a5b17fd1196f0cd55bea7d4ab42 /mm/kmsan | |
| parent | 4ec3b4aafc87b4cb9c89da594c4640491f582661 (diff) | |
| parent | b4e8ae5c8c41355791a99fdf2fcac16deace1e79 (diff) | |
Merge branch 'for-io_uring-add-napi-busy-polling-support'
Merge netdev bits of io_uring busy polling support.
Jens Axboe says:
====================
io_uring: add napi busy polling support
I finally got around to testing this patchset in its current form, and
results look fine to me. It Works. Using the basic ping/pong test that's
part of the liburing addition, without enabling NAPI I get:
Stock settings, no NAPI, 100k packets:
rtt(us) min/avg/max/mdev = 31.730/37.006/87.960/0.497
and with -t10 -b enabled:
rtt(us) min/avg/max/mdev = 23.250/29.795/63.511/1.203
In short, this patchset enables per io_uring NAPI enablement, rather
than need to enable that globally. This allows targeted NAPI usage with
io_uring.
Here's Stefan's v15 posting, which predates this one:
https://lore.kernel.org/io-uring/20230608163839.2891748-1-shr@devkernel.io/
====================
Link: https://lore.kernel.org/r/20240206163422.646218-1-axboe@kernel.dk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'mm/kmsan')
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