From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f54.google.com (mail-oa1-f54.google.com [209.85.160.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7EF173612DC for ; Tue, 17 Feb 2026 13:14:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.54 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771334045; cv=none; b=uZ2zSQi3Z3a572Q2MNt2jCwHBb14RW+6ZG3g0sRbXS5PU7WzJoSh3mDQd7QyH2sVTwEQPvs4q3KKdZWuiPkOIDzOIP8Xk8Kkiwl9fcH1wngbbuPDLGtJ8053TGmQGxkXDipiVVzfS5Y563pREbF0s6DR3LDcHJYca8ZvPbRcYwY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771334045; c=relaxed/simple; bh=KgdImVWaXCqHS7IFf+UtC6bOQ8fO+oFr0mCM3o/JL3w=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=jQA8FPfRqRICHkQeRTIoM+L/L1WiwK5irdRI58dCKHDRW8cy+KTwufsx8VqaHOnRkSSDIzZSU2ZwCQUikj4diprHMRCUrWMcXifFST5EXB/23gpxoTsMn8KXkifb8eCZx2lXwCY3LOdYlPXpQVQBHNK9d6TTp+YJSz8TjrqneBs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk; spf=pass smtp.mailfrom=kernel.dk; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b=ACfDFMUP; arc=none smtp.client-ip=209.85.160.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kernel.dk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b="ACfDFMUP" Received: by mail-oa1-f54.google.com with SMTP id 586e51a60fabf-40974bf7781so3768381fac.0 for ; Tue, 17 Feb 2026 05:14:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20230601.gappssmtp.com; s=20230601; t=1771334042; x=1771938842; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=+hvRTCg0bG7pjf0n0vlP3LHvxQEYZFAerxPCqp6C9Yg=; b=ACfDFMUPMD77feB/ZsadPSA0wGjNWW8fvFsI1wpraQeGV/OrnLZQ3Hx6QmnpTGDiyG gnmC/nK3PipMfi5AlBXmbbgossQTnpiDz6I7vc9fGU3xAdeO4vfP2VdG0QXzknlqZDuN a5L8ayh0Tfobpoczrywejn9StIX5ziSt9MohUKSMfXxAphOv6S9Ohw8bFbi92zMvZCzq NN4hm1mL9+3RekbdMVHENocinQIIN+mt03sKBoXsWPR8CIxXSiK5JQ8uYAkWLyblD07p 8U2xYdoo9Krxmzeyn7uOMUiflhonBrumrTWhs7P0YDzKo01atd2VuBSFHzbVfVT2jQHy hmDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771334042; x=1771938842; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=+hvRTCg0bG7pjf0n0vlP3LHvxQEYZFAerxPCqp6C9Yg=; b=FhJnq57TxApnEiiGmEk/FVjzhyBK6OcpgiLSmS5mdhTR+ByOgxI5H5BjVAS41iU0u6 C8VrxPoDeBKl0n2JjfFIKLUdFDlwL0VJF3kwnEyvmPej6P2r0/1u+9ZqC1BQpczAgpBp x+dnJUKM8NThx2bS0VSjEWppbdvdlVDpEmni/GAcvbkGi4whwVHWvBIFk/O2pNpjqOVz VTXMVOAI/nH+OI20Gn9yMORtrxO1XhK5+hNkG9IIve0Izj6SAueTk1iaSFOyfzI+Akpn GIYzq236ddNR3ZxOZmT1v+R5shDtEkXrRmh0jOwzBAOcuZC7Gtmd8lvphI/sidfvcYmh Ejgw== X-Forwarded-Encrypted: i=1; AJvYcCUhiED84gpEj1BopifZ1v68ProyLqm5mQHzYiO35qHQTL/FyjvuViMAL2R2j/pNZzIc/hHDfpPREg==@vger.kernel.org X-Gm-Message-State: AOJu0YwCj6ZxuYw0zRH/8cZZHcWEhMmzvPO0SL1jWmrCbVi/qMZFKzsi 5iwsEwT/GfRMooCqHxPWkEcMuINSULHMhKxmncFk/vI93F88b5W+Xi9rOx5AyECpOWd5H2tY1R9 Qfdpo X-Gm-Gg: AZuq6aKGDratWgylK5jZdbAhz/crQMWg1NvFkq8cmaY3IkmQ+8kP6VLLUXad9nlfxZ4 EXc26XCJbMrdPF/WjjJIoQ0L3Wy4SOIuJeV0G+WOfg+sk9a7CNZBFTs9so3xUTrfjLCwKqORmp8 JitSYsZ3Y8is7Y3CFN+RYkSLBdg8O+N088hkqU6EgSWO3oWACyLbz178Oqz77lIhFH6tWThEK/0 8Zux3gVp83powCgXOeN/qkPW+ruNbZo7wBnffq50QlTJSHgOANpzbIrEUiM5n9qQJL+j0/TjRYs 35/hXMmZyiLKfiyR7IWqA90pul0Z6j0/cXe+AlPSEESMz1qjGRswUqZLLP6cLCYCX7TkgBjekU8 ivuWP55bZw7pCC/OAx4pm1nxpz3YEtf/xuQL6jqoX6wj3VX3Qf0frggX60tTqgX3Tc7D9b6voKL bB4dDJNUUBjqnTTREMeIXVJtsV0ydE0nXoFMAFkEju7zJMDyhBNiZZaLab4bS3ia3W4AXecsiRt OQZo807EQ== X-Received: by 2002:a05:6870:a103:b0:409:5e6d:2716 with SMTP id 586e51a60fabf-40f0871a263mr6446066fac.5.1771334042340; Tue, 17 Feb 2026 05:14:02 -0800 (PST) Received: from [192.168.1.150] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-40eaf103ac3sm17272166fac.11.2026.02.17.05.14.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 17 Feb 2026 05:14:01 -0800 (PST) Message-ID: Date: Tue, 17 Feb 2026 06:14:00 -0700 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 io_uring-7.1 v6 0/5] BPF controlled io_uring To: Pavel Begunkov , io-uring@vger.kernel.org Cc: bpf@vger.kernel.org, Alexei Starovoitov References: <1985145e-7181-40c6-821d-239f62410618@gmail.com> Content-Language: en-US From: Jens Axboe In-Reply-To: <1985145e-7181-40c6-821d-239f62410618@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2/17/26 4:29 AM, Pavel Begunkov wrote: > On 2/16/26 15:18, Jens Axboe wrote: >> On 2/16/26 7:23 AM, Pavel Begunkov wrote: >>> On 2/11/26 19:04, Pavel Begunkov wrote: >>>> This series 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. >>> >>> Let me know if there are any concerns or comments. There are some >>> parts that I'll need to add like timeouts for waiting, but those >>> will be natural extensions, and this feels like a good base to >>> move forward in general. >> >> I don't have any complaints on it, but would be good to hear from the >> BPF folks. > > I assumed Alexei has nothing against it in general since he didn't > mention, and his last review was quite straightforward, I just applied > all changes. But I'm not sure if he wants to take a another look. > > I'll send out v8 to silence smatch, and let's see if BPF folks have > time for it. Let's plan on queueing it up once the 7.1 branches are started. In the mean time, can we have some liburing side test / examples so people can play with it and understand how to use it? -- Jens Axboe