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Tue, 17 Mar 2026 13:36:58 -0700 (PDT) Received: from [127.0.0.1] ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-67c0d7e5b46sm461664eaf.2.2026.03.17.13.36.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Mar 2026 13:36:57 -0700 (PDT) From: Jens Axboe To: io-uring@vger.kernel.org, Pavel Begunkov Cc: bpf@vger.kernel.org, Alexei Starovoitov In-Reply-To: References: Subject: Re: [PATCH v10 0/4] BPF controlled io_uring Message-Id: <177377981764.1008333.17403039550067431801.b4-ty@kernel.dk> Date: Tue, 17 Mar 2026 14:36:57 -0600 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 Thu, 26 Feb 2026 12:48:37 +0000, Pavel Begunkov wrote: > Introduces a way to override the standard io_uring_enter syscall > execution with an extendible event loop, which can be controlled > by BPF via new io_uring struct_ops or from within the kernel. > > There are multiple use cases I want to cover with this: > > - Syscall avoidance. Instead of returning to the userspace for > CQE processing, a part of the logic can be moved into BPF to > avoid excessive number of syscalls. > > [...] Applied, thanks! [1/4] io_uring: introduce callback driven main loop commit: 033af2b3eb19c5ed96825572105bca3611635ada [2/4] io_uring/bpf-ops: implement loop_step with BPF struct_ops commit: d0e437b76bd3c979ddaa6205f5e9ad3e0f95faef [3/4] io_uring/bpf-ops: add kfunc helpers commit: 890819248a8616558fe12e6c06c918ee1c3a2bc6 [4/4] io_uring/bpf-ops: implement bpf ops registration commit: 98f37634b12b17ad5c56db8fb63cf9d7dc55d74c Best regards, -- Jens Axboe