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Fri, 25 Oct 2024 06:11:08 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20241025061108epsmtrp1a03e57351e610dc599c005daec147395~BnUjrVCJG0440304403epsmtrp10; Fri, 25 Oct 2024 06:11:08 +0000 (GMT) X-AuditID: b6c32a4a-bbfff7000000262a-30-671b3ef1df61 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 1C.44.08229.C763B176; Fri, 25 Oct 2024 15:11:08 +0900 (KST) Received: from testpc11818.samsungds.net (unknown [109.105.118.18]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20241025061107epsmtip19e31d0d8b4e4ae59263c4efb1492dfeb~BnUi1KX5U2452724527epsmtip12; Fri, 25 Oct 2024 06:11:07 +0000 (GMT) From: hexue To: axboe@kernel.dk, asml.silence@gmail.com Cc: io-uring@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Re: [PATCH v8] io_uring: releasing CPU resources when polling Date: Fri, 25 Oct 2024 14:10:59 +0800 Message-Id: <20241025061059.1172576-1-xue01.he@samsung.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <62e57b0e-b646-4f96-bb83-5a0ecb4050da@kernel.dk> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmphk+LIzCtJLcpLzFFi42LZdlhTQ/ejnXS6wfaJahZzVm1jtFh9t5/N 4l3rORaLX913GS0u75rDZnF2wgdWBzaPnbPusntcPlvq0bdlFaPH501yASxR2TYZqYkpqUUK qXnJ+SmZeem2St7B8c7xpmYGhrqGlhbmSgp5ibmptkouPgG6bpk5QLuVFMoSc0qBQgGJxcVK +nY2RfmlJakKGfnFJbZKqQUpOQUmBXrFibnFpXnpenmpJVaGBgZGpkCFCdkZ+153MRbsYa14 evkdawPjGpYuRk4OCQETiaXfj7N3MXJxCAnsZpR4dG0zE4TziVHi6eWpzBDON0aJ2Q8+w7X8 fH0Qqmovo8TuSV9ZIJwfjBLPf55jBKliE1CS2L/lA5gtIqAt8frxVLBuZgEribNzfoLZwgJe Eu83gizn5GARUJX4/2slK4jNK2AtsfzcWnaIbfISN7v2M4PYnAK2Ev87drND1AhKnJz5BGqm vETz1tlgp0oIXGOX6G8+ztbFyAHkuEj0LuCGmCMs8er4FqiZUhIv+9ug7HyJyd/XM0LYNRLr Nr+D+tJa4t+VPSwgY5gFNCXW79KHCMtKTD21jgliLZ9E7+8nTBBxXokd82BsJYklR1ZAjZSQ +D1hESuE7SEx79cesLiQwARGiVffgiYwKsxC8s0sJN/MQti8gJF5FaNkakFxbnpqsWmBUV5q OTySk/NzNzGCk6OW1w7Ghw8+6B1iZOJgPMQowcGsJMJ7MUMyXYg3JbGyKrUoP76oNCe1+BCj KTC4JzJLiSbnA9NzXkm8oYmlgYmZmZmJpbGZoZI47+vWuSlCAumJJanZqakFqUUwfUwcnFIN TN33bQ4cr1xvLery9c8HvkP7UybcnOyl+EFpwanba9bFKk71kM/T9ZrjMHH5kv7GOv3QNPcP wWs/7Yj/MMU5PPsa+ztx5/UOslmCOkECAa1sC/8unVc++cDagPm7pAzk0o0PqmszTRfaVcE4 v99887XJ7PeNfl/3cUn93aK755OYdEhDlEPUCi2G/mD10EcTblvbn6qb/v//2l/zG0UtOuNP 9Xf8abpweJL3bp6ctNR4hk/rRd/knKsse5bbMt39kEzQhcQPUWyd6q9yuSY97LQ41FibtNdJ kIM5YauYurKB5IQXS/TzitJ/b06Zf+BnT39t2glR55MTXqwNd9rKeuGY9Dwtsy8PFcMNnH7f UGIpzkg01GIuKk4EAMetzqkXBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrNLMWRmVeSWpSXmKPExsWy7bCSnG6NmXS6wdYZQhZzVm1jtFh9t5/N 4l3rORaLX913GS0u75rDZnF2wgdWBzaPnbPusntcPlvq0bdlFaPH501yASxRXDYpqTmZZalF +nYJXBn7XncxFuxhrXh6+R1rA+Mali5GTg4JAROJn68PMnUxcnEICexmlNgwYwozREJCYsej P6wQtrDEyn/P2SGKvjFKzJjfCVbEJqAksX/LB8YuRg4OEQFdica7CiBhZgEbiZ0tW9hBbGEB L4n3G4+D2SwCqhL/f60Em8krYC2x/Nxadoj58hI3u/aDjeQUsJX437EbLC4ENGdC/2k2iHpB iZMzn7BAzJeXaN46m3kCo8AsJKlZSFILGJlWMUqmFhTnpucWGxYY5qWW6xUn5haX5qXrJefn bmIEh6+W5g7G7as+6B1iZOJgPMQowcGsJMJ7MUMyXYg3JbGyKrUoP76oNCe1+BCjNAeLkjiv +IveFCGB9MSS1OzU1ILUIpgsEwenVAOTxPRXUaIOJkJLeIyYX7ZLXXwwvfPpNVHLXmH+nznf /214fXJW8cJlqcYBS3l3zrzmlzdXz5K9NCrvQsbOkLM3PCWnSn3rzw5YYbFG8t0vlqS4Ew0G /IEfXmiktEUe3SEuM/HS/d0Sl3vPvPjso9j1vH917LqLn67tu1cooZj+NNoyRUpAfdZXvU1N Nm+eb9htsNjwd3a/aMzX1osWOtuWpXGIVsbemNz4PaeWeXfdk37l2+08nxmEdocIqBWZSkm0 lWz5EanJ4qaxiTEuxUegwf7Wuq3pn08HfV7uGrXiUsHGD/OX6XZ/2q1w9lVKzOOrnGWqbR9C FDjfbhGQyPIrb5HbG6a6zJiJT6mJZ5MSS3FGoqEWc1FxIgAQAnMYzgIAAA== X-CMS-MailID: 20241025061108epcas5p173629b3149be6e3b96853eb32e61b9ab X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20241025061108epcas5p173629b3149be6e3b96853eb32e61b9ab References: <62e57b0e-b646-4f96-bb83-5a0ecb4050da@kernel.dk> On 10/24/24 14:49 Jens Axboe wrote: >On 10/24/24 8:49 AM, Pavel Begunkov wrote: >> On 10/24/24 15:40, Jens Axboe wrote: >>> On 10/24/24 8:26 AM, Pavel Begunkov wrote: >>>> On 10/24/24 15:18, Jens Axboe wrote: >>>>> On 10/23/24 8:38 PM, hexue wrote: >>>>>> On 9/25/2024 12:12, Pavel Begunkov wrote: >>>> ... >Ah true, well some other spot then, should be pretty easy to find 8 >bytes for iopoll_start. As mentioned, the point is really just to THINK >about where it should go, rather than lazily just shove it at the end >like no thought has been given to it. Thanks a lot for these suggestions and help. I will revise and submit a complete v9 patch, thank you very much. -- Xue