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    SubjectRe: [PATCH v5 0/2] io_uring: Add support for napi_busy_poll
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    On Tue, 2022-03-08 at 17:54 -0700, Jens Axboe wrote:
    > 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?
    >
    Hi Jens,

    I did wrote the patch from
    git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

    My testing systems are based on 5.16. I have backported the patch and
    compiled 5.16.12 with the patch for my testing.

    sorry if I didn't use the right repo...


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