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From: Jens Axboe <[email protected]>
To: Pavel Begunkov <[email protected]>, [email protected]
Subject: Re: [PATCH liburing] rem_buf/test: inital testing for OP_REMOVE_BUFFERS
Date: Tue, 8 Dec 2020 17:24:43 -0700	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

On 12/8/20 3:59 PM, Pavel Begunkov wrote:
> On 08/12/2020 22:42, Jens Axboe wrote:
>> On 12/8/20 2:57 PM, Pavel Begunkov wrote:
>>> Basic testing for IORING_OP_REMOVE_BUFFERS. test_rem_buf(IOSQE_ASYNC)
>>> should check that it's doing locking right when punted async.
>>>
>>> Signed-off-by: Pavel Begunkov <[email protected]>
>>> ---
>>>
>>> NOTICE:
>>> test_rem_buf(IOSQE_ASYNC) hangs with 5.10
>>> because of double io_ring_submit_lock(). One of the iopoll patches
>>> for 5.11 fixes that.
>>
>> Let's get just that into 5.10, and then we can fix up 5.11 around that.
> 
> If you mean get that kernel patch, then it's the one I commented on
> yesterday.
> [2/5] io_uring: fix racy IOPOLL completion

Right, of course...

> Either can split this test

Nah, that's fine. I'll get it applied, thanks.

-- 
Jens Axboe


      reply	other threads:[~2020-12-09  0:25 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-08 21:57 [PATCH liburing] rem_buf/test: inital testing for OP_REMOVE_BUFFERS Pavel Begunkov
2020-12-08 22:42 ` Jens Axboe
2020-12-08 22:59   ` Pavel Begunkov
2020-12-09  0:24     ` Jens Axboe [this message]

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