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Written by Jens Axboe on 2024-10-22 at 20:56

And finally, added support for registered waits, where copying data structures for high frequency waits can be quite costly. In zero-copy tx/rx testing, eliminating as much as 3.5-4.5% of overhead. Details:

https://lore.kernel.org/io-uring/20241022204708.1025470-1-axboe@kernel.dk/T/#m2d1eb2cc648b9f9c292fd75fc6bc2a8d71eadd49

Kernel tree:

https://git.kernel.dk/cgit/linux/log/?h=io_uring-reg-wait

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