From: Jens Axboe <axboe@kernel.dk>
To: Pavel Begunkov <asml.silence@gmail.com>, io-uring@vger.kernel.org
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: <aea434f0-3e9d-f404-365d-14ecedfdd8df@kernel.dk> (raw)
In-Reply-To: <e37a27d8-bbba-cc46-9acd-5773a25aec12@gmail.com>
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 <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
Right, of course...
> Either can split this test
Nah, that's fine. I'll get it applied, thanks.
--
Jens Axboe
prev parent 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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