On Fri, 18 Nov 2022 15:41:41 +0000, Pavel Begunkov wrote:
> When we post a CQE we wake all ring pollers as it normally should be.
> However, if a CQE was generated by a multishot poll request targeting
> its own ring, it'll wake that request up, which will make it to post
> a new CQE, which will wake the request and so on until it exhausts all
> CQ entries.
>
> Don't allow multishot polling io_uring files but downgrade them to
> oneshots, which was always stated as a correct behaviour that the
> userspace should check for.
>
> [...]
Applied, thanks!
[1/1] io_uring: disallow self-propelled ring polling
commit: 7fdbc5f014c3f71bc44673a2d6c5bb2d12d45f25
Best regards,
--
Jens Axboe
