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From: Pavel Begunkov <asml.silence@gmail.com>
To: Jens Axboe <axboe@kernel.dk>, io-uring@vger.kernel.org
Subject: Re: [PATCH liburing] rem_buf/test: inital testing for OP_REMOVE_BUFFERS
Date: Tue, 8 Dec 2020 22:59:31 +0000	[thread overview]
Message-ID: <e37a27d8-bbba-cc46-9acd-5773a25aec12@gmail.com> (raw)
In-Reply-To: <08387f60-d2fe-1396-aa15-ae9b759efa57@kernel.dk>

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 <asml.silence@gmail.com>
>> ---
>>
>> 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

Either can split this test

-- 
Pavel Begunkov

  reply	other threads:[~2020-12-08 23:04 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 [this message]
2020-12-09  0:24     ` Jens Axboe

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