Re: [PATCH 5.10 0/5] iopoll fixes

[Jens Axboe <axboe@kernel.dk>]

On 12/7/20 8:24 AM, Pavel Begunkov wrote:
> On 07/12/2020 15:05, Jens Axboe wrote:
>> On 12/6/20 3:22 PM, Pavel Begunkov wrote:
>>> Following up Xiaoguang's patch, which is included in the series, patch
>>> up when similar bug can happen. There are holes left calling
>>> io_cqring_events(), but that's for later.
>>>
>>> The last patch is a bit different and fixes the new personality
>>> grabbing.
>>>
>>> Pavel Begunkov (4):
>>>   io_uring: fix racy IOPOLL completions
>>>   io_uring: fix racy IOPOLL flush overflow
>>>   io_uring: fix io_cqring_events()'s noflush
>>>   io_uring: fix mis-seting personality's creds
>>>
>>> Xiaoguang Wang (1):
>>>   io_uring: always let io_iopoll_complete() complete polled io.
>>>
>>>  fs/io_uring.c | 52 ++++++++++++++++++++++++++++++++++++++-------------
>>>  1 file changed, 39 insertions(+), 13 deletions(-)
>>
>> I'm going to apply 5/5 for 5.10, the rest for 5.11. None of these are no
> 
> Didn't get what you mean by "None of these are no in this series."

Yeah that turned out better in my head... Meant that none of these are
_regressions_ in this series, so not necessarily urgent for 5.10.

>> in this series, and we're very late at this point. They are all marked for
>> stable, so not a huge concern on my front.
> 
> Makes sense. I hope it applies to 5.11 well. 

Mostly, just 3/5 needed a bit of hand holding.

-- 
Jens Axboe