Received: by 2002:a05:6358:4e97:b0:b3:742d:4702 with SMTP id ce23csp2629303rwb; Mon, 15 Aug 2022 08:35:46 -0700 (PDT) X-Google-Smtp-Source: AA6agR7xRnqrjyqUW07HD35uSaFruCBCv67ZY8GgXsK11cDK5TrXbcnbRsTkdt5bvM/mrFkagOur X-Received: by 2002:a17:907:6e93:b0:733:a08:1ed6 with SMTP id sh19-20020a1709076e9300b007330a081ed6mr10878800ejc.233.1660577746419; Mon, 15 Aug 2022 08:35:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1660577746; cv=none; d=google.com; s=arc-20160816; b=MN+3qhqKiJgNlFt/YlfBmXhQKg2sSIlekxdGBpaNPjNTUGqyHoJ+3n++Rh8QvNR7mH Y6y7YWgan0BItVg5OQjf7Jb7K8kt7MFcmqghw8y/PakOii1IGnI7bHp8qTt7nz/y9w9H Inya/OB19F3UplMp8jUgf2BEFUqv7A536RsxkAnJliboEEVci5d+C1DnCiqz/iwtMShk +ZlwghokBNI5BGsSTSAxsHrYavLjPrMJNGzNCDdSpRLwQ8/ttMonmgCiKcSmvBvrEYDh cEXcj5wvCzOvROqJgw73tL7AZl4vKbgSX0bKF+vyl9J3H4FPXJuEVz4QngYsMZb4dBzO iGeA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=gO4ivc4UHSjLcGZqroD0QxYh9Yuvt75jesO1VGr1m9M=; b=u3CQt+pbT7SUHs2c9HawR+G2t++U0XX3Q/0od98Izj3VHlsohIWOUqPQ98/Frsc++u 9Z7dFJMwPUipwnl/5UaZlFjPmdVdswi1xvWO5R2Dkv5yg6BQbnSWOiF8mS9Ua6sQDhb9 2VSrnHQA4oLqdPwi5XRPRJhjlYGNE6AyIUqm/k6LlygCmK466H7za8ASdFyA8ReG/SZa gyGtlKBuBqKtP/uVG4kLvvXrCQA4NUdkjoo6oMECbGBghFPHrRsAkGuy2fA4mhxJVq4U CPqYSYIPW35012csN5gQRTJbTD/9glBnUzI1yOgwpxxi4o6eFynPBDUCSjUrSMk5PM0h f5MA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id n10-20020a05640205ca00b0043c436a8d48si9469813edx.582.2022.08.15.08.35.21; Mon, 15 Aug 2022 08:35:46 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231877AbiHOPVr (ORCPT + 99 others); Mon, 15 Aug 2022 11:21:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38398 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229922AbiHOPVp (ORCPT ); Mon, 15 Aug 2022 11:21:45 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C80C821E2C; Mon, 15 Aug 2022 08:21:41 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 648236104F; Mon, 15 Aug 2022 15:21:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A3321C433C1; Mon, 15 Aug 2022 15:21:38 +0000 (UTC) Date: Mon, 15 Aug 2022 11:21:44 -0400 From: Steven Rostedt To: Alexei Starovoitov Cc: =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= , Network Development , Alexei Starovoitov , Daniel Borkmann , =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= , bpf , Magnus Karlsson , "Karlsson, Magnus" , Jonathan Lemon , Edward Cree , Toke =?UTF-8?B?SMO4aWxhbmQtSsO4cmdl?= =?UTF-8?B?bnNlbg==?= , Jesper Dangaard Brouer , Andrii Nakryiko , LKML , Linus Torvalds , Christoph Hellwig , Peter Zijlstra , Josh Poimboeuf , Thomas Gleixner , Andrew Morton Subject: Re: [PATCH bpf-next v4 2/6] bpf: introduce BPF dispatcher Message-ID: <20220815112145.722b10c8@gandalf.local.home> In-Reply-To: <20220815111658.58d75672@gandalf.local.home> References: <20191211123017.13212-1-bjorn.topel@gmail.com> <20191211123017.13212-3-bjorn.topel@gmail.com> <20220815101303.79ace3f8@gandalf.local.home> <20220815111658.58d75672@gandalf.local.home> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-6.7 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 15 Aug 2022 11:16:58 -0400 Steven Rostedt wrote: > Actually I did invent it. > > https://lore.kernel.org/lkml/20080210072109.GR4100@elte.hu/ And the next patch replaced the jmps with nops. We kept this as separate patches for debugging reasons. commit dfa60aba04dae78 ("ftrace: use nops instead of jmp") -- Steve