From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C4F10C2D0A3 for ; Fri, 6 Nov 2020 10:50:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 352BC2072E for ; Fri, 6 Nov 2020 10:50:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=luisgerhorst.de header.i=@luisgerhorst.de header.b="otpzeVPw"; dkim=temperror (0-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="YcOHEfb+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727092AbgKFKua (ORCPT ); Fri, 6 Nov 2020 05:50:30 -0500 Received: from wout5-smtp.messagingengine.com ([64.147.123.21]:32989 "EHLO wout5-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727080AbgKFKua (ORCPT ); Fri, 6 Nov 2020 05:50:30 -0500 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.west.internal (Postfix) with ESMTP id 9C8841347; Fri, 6 Nov 2020 05:50:29 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Fri, 06 Nov 2020 05:50:29 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=luisgerhorst.de; h=content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; s=mesmtp; bh=o3ylYpjz4ImHuuosfUblUCMr9jLzoTQmkRh2wF+lUAk=; b=otpzeVPwCS8A akEklYH0+WyIUreJoPSvW3j1IXcoiReAz4go3QVv0urLWkShi23KOgY25jAVVVM9 L8HzEipFiw+lsqan2ImGL/WEK2YhrFPITBYR4JqahEOa3JNUUFGDsGLkKpRHSvO+ UXg5MEhM80orOdgojq8wnbOAEUQPtT4= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=o3ylYpjz4ImHuuosfUblUCMr9jLzoTQmkRh2wF+lU Ak=; b=YcOHEfb+YLhUztJSlunpAbKoahu0CCeTYBkDZDPLYdKEx0nvQv8JIhwVM P137nIsM9yomd2eor2/n9dB3QDleTsn5A0O6l5hG3kMiwFGmlxkDoyaGTO84l28a /OMNicV6RuMxwGGH1/fu4z7DptLVAmaeLIIsIWpgvmAJf94HtGGaaFncEZs/gCSg BtFkaOw1Tng/eZMOX3hQk6Ptv9EjVy/x9mAdkjxB4y659KHnjVHlripY68Jk5ZBy gX+3LK/O/ibgJX67T9iIzl7cTJ3SmSgpSqI0Uv/K6+fzZE1XD6Q5/KPnF8Y7j+G6 RtSaaxUzvZ2t8mAje2G1aqQSNLhHw== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedruddtledgvdduucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpegtggfuhfgjfffgkfhfvffosehtqh hmtdhhtddvnecuhfhrohhmpehlihhnuhigqdhkvghrnhgvlheslhhuihhsghgvrhhhohhr shhtrdguvgenucggtffrrghtthgvrhhnpefhveegtdekheeuleeukeeguefhieduheefve egheehteevvdfgvefftefghfeuveenucffohhmrghinhepkhgvrhhnvghlrdhorhhgpdhg ihhthhhusgdrtghomhenucfkphepleehrdeltddrvddvtddrieehnecuvehluhhsthgvrh fuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomheplhhinhhugidqkhgvrhhnvghl sehluhhishhgvghrhhhorhhsthdruggv X-ME-Proxy: Received: from [192.168.0.160] (ip5f5adc41.dynamic.kabel-deutschland.de [95.90.220.65]) by mail.messagingengine.com (Postfix) with ESMTPA id 89F8E328037B; Fri, 6 Nov 2020 05:50:27 -0500 (EST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.4\)) Subject: Integrating eBPF into io-uring From: linux-kernel@luisgerhorst.de In-Reply-To: Date: Fri, 6 Nov 2020 11:50:26 +0100 Cc: axboe@kernel.dk, io-uring@vger.kernel.org, metze@samba.org, carter.li@eoitek.com Content-Transfer-Encoding: quoted-printable Message-Id: <1AD7207C-831D-4CA7-A759-67913129E555@luisgerhorst.de> References: To: asml.silence@gmail.com X-Mailer: Apple Mail (2.3608.120.23.2.4) Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Forgot subject, sorry. > On 6. Nov 2020, at 11:44, Luis Gerhorst = wrote: >=20 > Hello Pavel, >=20 > I'm from a university and am searching for a project to work on in the > upcoming year. I am looking into allowing userspace to run multiple > system calls interleaved with application-specific logic using a = single > context switch. >=20 > I noticed that you, Jens Axboe, and Carter Li discussed the = possibility > of integrating eBPF into io_uring earlier this year [1, 2, 3]. Is = there > any WIP on this topic? >=20 > If not I am considering to implement this. Besides the fact that AOT > eBPF is only supported for priviledged processes, are there any issues > you are aware of or reasons why this was not implemented yet? >=20 > Best, > Luis >=20 > [1] = https://lore.kernel.org/io-uring/67b28e66-f2f8-99a1-dfd1-14f753d11f7a@gmai= l.com/ > [2] = https://lore.kernel.org/io-uring/8b3f182c-7c4b-da41-7ec8-bb4f22429ed1@kern= el.dk/ > [3] https://github.com/axboe/liburing/issues/58