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Wed, 22 Jul 2026 03:28:18 -0700 (PDT) Message-ID: <86d5696b-7610-4e70-835f-afff393058da@kernel.dk> Date: Wed, 22 Jul 2026 04:28:17 -0600 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] io_uring/rw: fix missing ERESTARTSYS conversion in read paths To: Yitang Yang Cc: krisman@suse.de, io-uring@vger.kernel.org References: <20260720114116.21830-1-yi1tang.yang@gmail.com> Content-Language: en-US From: Jens Axboe In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit 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