From: Jens Axboe <axboe@kernel.dk>
To: Yitang Yang <yi1tang.yang@gmail.com>
Cc: krisman@suse.de, io-uring@vger.kernel.org
Subject: Re: [PATCH] io_uring/rw: fix missing ERESTARTSYS conversion in read paths
Date: Wed, 22 Jul 2026 04:28:17 -0600 [thread overview]
Message-ID: <86d5696b-7610-4e70-835f-afff393058da@kernel.dk> (raw)
In-Reply-To: <CADd-6FwNfTcar6JRrdq4P9Pj_5y-HzqsCgythMLjhhBQyO5FCg@mail.gmail.com>
On 7/21/26 9:08 PM, Yitang Yang wrote:
> I found this while trying to combine io_uring read multishot with
> userfaultfd. I wrote a reproducer here:
> https://gist.github.com/wokron/7f75026e02792844b0bbf26b7e79c9ef
>
> Running it with "sudo ./userfaultfd-uring -n 16 -p 10000" on
> my machine consistently produces "io_uring_cqe error: Unknown error 512".
Perfect, that's a much more useful find then! I'll take a closer look at
your patch.
--
Jens Axboe
next prev parent reply other threads:[~2026-07-22 10:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-20 11:41 [PATCH] io_uring/rw: fix missing ERESTARTSYS conversion in read paths Yitang Yang
2026-07-21 16:32 ` Jens Axboe
2026-07-22 3:08 ` Yitang Yang
2026-07-22 10:28 ` Jens Axboe [this message]
2026-07-22 10:32 ` Jens Axboe
2026-07-22 12:36 ` Yitang Yang
2026-07-22 13:37 ` Jens Axboe
2026-07-23 12:46 ` [PATCH liburing] test: add rw-restart-ret regression test Yitang Yang
2026-07-22 12:45 ` [PATCH v2] io_uring/rw: fix missing ERESTARTSYS conversion in read paths Yitang Yang
2026-07-22 13:37 ` Jens Axboe
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=86d5696b-7610-4e70-835f-afff393058da@kernel.dk \
--to=axboe@kernel.dk \
--cc=io-uring@vger.kernel.org \
--cc=krisman@suse.de \
--cc=yi1tang.yang@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox