Sorry for the duplicate reply, I forgot to CC the mailing list. On Tue, 2019-08-27 at 09:50 -0600, Jens Axboe wrote: > Outside of going for a cleanup, have you observed any wins from this > change? I haven't ran any interesting benchmarks. The cp examples in liburing are running as fast as before, at least on x86_64. Do you think it makes sense to tell userspace that the sq and cq mmap offsets now mean the same thing? We could add a flag set by the kernel to io_uring_params.
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