Received: by 2002:a17:90a:2044:0:0:0:0 with SMTP id n62csp1293457pjc; Wed, 22 May 2019 13:22:17 -0700 (PDT) X-Google-Smtp-Source: APXvYqw8qC1qWfSeDXOYSdOQ1PVi+En2pNEVGV6oVb01CBR4Z5e3TIPrfVFwE6b37cKPC9SNw8vq X-Received: by 2002:aa7:93a7:: with SMTP id x7mr98495001pff.196.1558556536989; Wed, 22 May 2019 13:22:16 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1558556536; cv=none; d=google.com; s=arc-20160816; b=oLv7K4rko15XGWEbtNGzZGXgUs5S+RNdwRHvuV6oa03UshpVSMJSJjpNYdpM0VkjLP qhEmoPTAIDcdseazeX6CDLU0HXU+AdB20TT2CuRWZUyCjIuPC2P65WulH1EEfYvk4/2B k3mrYUlUoCESp8O7vvCWw7/VZgX75hIDQwXB2q09DSr1BgBvZ8tTWhsHcQ+DgdQ7bV4n uvnOUeRADDJhsNP+gsc+C1MTUShCzIAxz0G3vkgE0/OarE75F2Za7zxm/me9wxxZ3xt9 BQ2Yc3S4EAbIPgL8Xrtdd+bCkNLRdByFQLKDTcVPSusLdu+0YyIJsdNeuomNoYgDnyJU WbjQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:from:subject:cc:to:message-id:date; bh=3kGOiNaD60L+O+OR32CG7dhEB1Th3vOIr3ohGUNeLSw=; b=s1fsMjxv+t0yFPUyBJAzUM5YGCDxCUyHVLgZzzF1KxtyBoFFfIOkM47M6kNrTp1Vi1 LESEMi6vCo0LBWv6SCp8tJuvu/cPG9PUsK/1wj8/OFXTla2PQzSLamQRV6iOtHK3+fQp LNAdMR1P31tw0fPxq0r6sfVUGYg8RSkiZPGf0RWxJcOfD+k+L2uFGIrp0KN9N3NhRcsc 6COyB6UmilvKU2en1wQZMRW7KFbOrPkyEnO7WtrOlHhffLPb5UVT/OsMJHnBalrRl3gG px0t5xo1bwZis0vR+cees+M1u4YHpmwtUSNCaWxLk2Ovgn8azUQvleOBtVXi8TBwTQai Hjcg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id c2si17798396pgq.254.2019.05.22.13.22.01; Wed, 22 May 2019 13:22:16 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730095AbfEVUUb (ORCPT + 99 others); Wed, 22 May 2019 16:20:31 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:33622 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729679AbfEVUUb (ORCPT ); Wed, 22 May 2019 16:20:31 -0400 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::3d8]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 57BD415006225; Wed, 22 May 2019 13:20:30 -0700 (PDT) Date: Wed, 22 May 2019 13:20:27 -0700 (PDT) Message-Id: <20190522.132027.1907723568435949257.davem@davemloft.net> To: alexei.starovoitov@gmail.com Cc: kris.van.hees@oracle.com, peterz@infradead.org, netdev@vger.kernel.org, bpf@vger.kernel.org, dtrace-devel@oss.oracle.com, linux-kernel@vger.kernel.org, rostedt@goodmis.org, mhiramat@kernel.org, acme@kernel.org, ast@kernel.org, daniel@iogearbox.net Subject: Re: [RFC PATCH 00/11] bpf, trace, dtrace: DTrace BPF program type implementation and sample use From: David Miller In-Reply-To: <20190522195526.mayamzc7gstqzcpr@ast-mbp.dhcp.thefacebook.com> References: <20190522142531.GE16275@worktop.programming.kicks-ass.net> <20190522182215.GO2422@oracle.com> <20190522195526.mayamzc7gstqzcpr@ast-mbp.dhcp.thefacebook.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Wed, 22 May 2019 13:20:30 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alexei Starovoitov Date: Wed, 22 May 2019 12:55:27 -0700 > I suggest to proceed with user space dtrace conversion to bpf > without introducing kernel changes. Yes, please... +1