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AJvYcCUJvnDMszeK+D93jToUsuv2safAGE/tB1fJy2NaEcOzGRyDePR79aD572F/Z2tkixglfuxis/sE+g==@vger.kernel.org X-Gm-Message-State: AOJu0YxfmmRt3uEnqO7YJKRx42rcMlV8ncy77nox8xGsBrWoppHHwoRE zbpR96VCAXqxg/rfGsh8u6MXWX79hfZEjLbVemnoKBkUbpuyToQ350K83Xb29/qmKdGtKBXplOl l125+NcTurT61UhHWOIDFK1QsFX+M9Sc= X-Gm-Gg: AZuq6aJDe60vb5Xn6A4ovn6DesOcCY8wrQel9WslFgMhyLGdcqHGw+00jGhi+Yr9Zbk Cq5kWxlQu7AvTMND1iksYHiEW3uKexupUAAJMB6uc0DwuwST5DOR93gMftPa1e17IJYvWJQx9sO u8e0Cx7nA2ogjEObb8RPp15nrhaQwqdAo8UO6vM1ODhYC0POQA6zWjHwC5NuyxZ+cyDHMuuuJLY KAr8I6J7lUilWDl81wasvkn479zFFjGLAml2o9qY0DLpWdgxIntls6u/4oYqpg5qy73QRI= X-Received: by 2002:a53:ac92:0:b0:64a:cd13:71bf with SMTP id 956f58d0204a3-64acd137441mr4362558d50.20.1770480826891; Sat, 07 Feb 2026 08:13:46 -0800 (PST) Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20260116233044.1532965-4-joannelkoong@gmail.com> <20260206133950.3133771-1-safinaskar@gmail.com> In-Reply-To: From: Askar Safin Date: Sat, 7 Feb 2026 19:13:10 +0300 X-Gm-Features: AZwV_QgxIemzygJR1-WscAENyJ1BOl1fzhPCwisptJ7ninyK_TCUKCeB4-vDv6U Message-ID: Subject: Re: [PATCH v4 03/25] io_uring/kbuf: add support for kernel-managed buffer rings To: Joanne Koong Cc: asml.silence@gmail.com, axboe@kernel.dk, bschubert@ddn.com, csander@purestorage.com, io-uring@vger.kernel.org, krisman@suse.de, linux-fsdevel@vger.kernel.org, miklos@szeredi.hu, hch@infradead.org, xiaobing.li@samsung.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Sat, Feb 7, 2026 at 4:22=E2=80=AFAM Joanne Koong wrote: > I don't think this is related to kmbufs. Zero-copying is done through > registered buffers (eg userspace registers sparse buffers for the ring Thank you for your answer. Please, don't CC me when sending future versions of this patchset. --=20 Askar Safin