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([2a01:4b00:bd21:4f00:7cc6:d3ca:494:116c]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-439dae3c80esm23789904f8f.29.2026.03.09.06.21.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 09 Mar 2026 06:21:04 -0700 (PDT) Message-ID: <218c175c-680c-4ee2-9e00-c81202e4841b@gmail.com> Date: Mon, 9 Mar 2026 13:21:03 +0000 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 1/1] io_uring/zctx: separate notification user_data To: Jens Axboe , io-uring@vger.kernel.org Cc: Dylan Yudaken References: <025de231-a6d2-4fa8-91e5-f4ab81d16e7f@kernel.dk> <5fa237b6-420d-413a-b7b5-9f85d9f1e8ba@gmail.com> <64ab6b3e-3746-4076-9c0b-b2edc2de92d1@kernel.dk> <69a2d3ce-5c77-44f9-99be-1b558cf4c4ca@gmail.com> <133c27e8-7b5f-4754-9f8a-17d96e736621@kernel.dk> <3888d916-259b-4d1f-96c2-157c289d867e@gmail.com> <5eeb233d-74e4-453c-ad18-f30382dc44e7@gmail.com> <56a3e17b-8ad1-4623-bc8c-e8f4e9f4e265@kernel.dk> Content-Language: en-US From: Pavel Begunkov In-Reply-To: <56a3e17b-8ad1-4623-bc8c-e8f4e9f4e265@kernel.dk> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2/17/26 15:15, Jens Axboe wrote: > On 2/17/26 8:03 AM, Pavel Begunkov wrote: >> On 2/17/26 13:12, Jens Axboe wrote: >>> On 2/17/26 4:15 AM, Pavel Begunkov wrote: ... >>> The patch should just be removing that addr3 -EINVAL case, and adding >>> the two lines that check IORING_SEND_ZC_NOTIF_USER_DATA, and if set, assign >>> notif->cqe.user_data from addr3. >>> >>> But I object to saying this is a "degraded" uapi, to me it's very much a >>> better one as it allows all values of user_data, rather than have some >>> magic 0 value that's not valid for no other reason than force policy. >> >> Well, we clearly disagree on that one. > > In the spirit of making progress and not wasting anymore time on this > fairly fruitless discussion, I'm fine with adding the else branch, and > hence v2 as-is. Looks like it got lost / forgotten? I can't find it in for-next -- Pavel Begunkov