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Thu, 22 Jan 2026 14:59:18 -0800 (PST) Received: from [127.0.0.1] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id 5614622812f47-45eb4235b50sm290180b6e.14.2026.01.22.14.59.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jan 2026 14:59:17 -0800 (PST) From: Jens Axboe To: io-uring@vger.kernel.org, Pavel Begunkov In-Reply-To: References: Subject: Re: [PATCH v3 1/1] io_uring: introduce non-circular SQ Message-Id: <176912275723.523910.2329374293029110776.b4-ty@kernel.dk> Date: Thu, 22 Jan 2026 15:59:17 -0700 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.3 On Tue, 20 Jan 2026 20:47:40 +0000, Pavel Begunkov wrote: > Outside of SQPOLL, normally SQ entries are consumed by the time the > submission syscall returns. For those cases we don't need a circular > buffer and the head/tail tracking, instead the kernel can assume that > entries always start from the beginning of the SQ at index 0. This patch > introduces a setup flag doing exactly that. It's a simpler and helps > to keeps SQEs hot in cache. > > [...] Applied, thanks! [1/1] io_uring: introduce non-circular SQ commit: 5247c034a67f5a93cc1faa15e9867eec5b22f38a Best regards, -- Jens Axboe