On 3/8/22 3:17 PM, Olivier Langlois wrote: > The sqpoll thread can be used for performing the napi busy poll in a > similar way that it does io polling for file systems supporting direct > access bypassing the page cache. > > The other way that io_uring can be used for napi busy poll is by > calling io_uring_enter() to get events. > > If the user specify a timeout value, it is distributed between polling > and sleeping by using the systemwide setting > /proc/sys/net/core/busy_poll. I think we should get this queued up, but it doesn't apply to for-5.18/io_uring at all. I can fix it up, but just curious what you tested against? -- Jens Axboe
