linux-kernel - Re: [PATCH] io_uring: Fix io_cqring_wait() not restoring sigmask on get

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Date: Sat, 06 Apr 2024 14:12:15 +0300
From: Alexey Izbyshev <izbyshev@...ras.ru>
To: Jens Axboe <axboe@...nel.dk>
Cc: Pavel Begunkov <asml.silence@...il.com>, Olivier Langlois
 <olivier@...llion01.com>, io-uring@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] io_uring: Fix io_cqring_wait() not restoring sigmask on
 get_timespec64() failure

On 2024-04-06 05:06, Jens Axboe wrote:
> On 4/5/24 6:55 AM, Alexey Izbyshev wrote:
>> This bug was introduced in commit 950e79dd7313 ("io_uring: minor
>> io_cqring_wait() optimization"), which was made in preparation for
>> adc8682ec690 ("io_uring: Add support for napi_busy_poll"). The latter
>> got reverted in cb3182167325 ("Revert "io_uring: Add support for
>> napi_busy_poll""), so simply undo the former as well.
> 
> Thanks - ironically I had to hand apply this one, as some of the
> commits you mention above are not in the base you used for the
> patch...

I used v6.8 as the base, and all three commits mentioned above are 
there. However, the patch indeed doesn't apply to the current tip 
because of post-v6.8 changes, sorry for that!

Thanks,
Alexey