Received: by 2002:a25:86ce:0:0:0:0:0 with SMTP id y14csp533956ybm; Wed, 22 May 2019 07:27:35 -0700 (PDT) X-Google-Smtp-Source: APXvYqw44cV8UNnjYoebzWhgR6/dEfVEQU2Ej2GMMcf4ifso39W55bZhQp+jsjOQtMQqdMN8uJVD X-Received: by 2002:a62:e310:: with SMTP id g16mr2546124pfh.36.1558535255249; Wed, 22 May 2019 07:27:35 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1558535255; cv=none; d=google.com; s=arc-20160816; b=cvxM9Zq+9rGPOzSNRnZwLFTMUAHI8U48g+jU83oPhhqKO+bg9BtOxqGET0QfEiuoQs H/kRIzxIb7mK0sqO44/9wD43/tdXCk4I0Ie73oAlmQaUGgumYVwikMC5SBErQYZs4GjS dzUd/D87XAcffvRfZ4NjFiG5pQtcMn9EkeP1fIVSeTaBuTHJEEWVa0Oy0QTRNa7kGPnV Cd6K0XHlxc58TR3RTshMYKZCbLesci0mPzc1QP/VUPXwTXavqKUtL64BR1B+sU7M50A2 XF+IgTWXNiWk7mv80kg7zja0QCeolRKQfBZT+Md8ESJofs9ubWNIveK9vz9cmW+V24i7 ++kQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=xliR4pkBceBKXMuL8K0IPcfr0Tkls5aOoLDNqUn7FUY=; b=ek28Lyse/4JrM6yGuUNGSeu6yig+JxlbChmrX34TtHHFa3BWtoABPTVqhzDOxmC89I o4vksEV4GdeAlX3nTQCVn9X6KMzX/48MwRbT3qto2+fptBb3P1LhDLImFBR0bzNKi3wu 3Q+q3vdAIWyPpbJcgyRghvhuB6uCbSf4BqRT69Rx4B6H0f/CWzjrrPFlQgiwD3jvHw6g 3ridhP8kDMf0fUnNh7ocnalv3WEcZTWa5hdvty4XQ2zo4e/7lT98UutES4LSa6/mIBe1 OQ47F50i0kkGZaGYa7MWEM45Gbx8rlXzpl7qaiqp3o5DhqAU8OvDltvzX/eItFbPD0ID wrkw== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=merlin.20170209 header.b=Xpp5LGLm; 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 n1si22089266pld.295.2019.05.22.07.27.17; Wed, 22 May 2019 07:27:35 -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; dkim=fail header.i=@infradead.org header.s=merlin.20170209 header.b=Xpp5LGLm; 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 S1728881AbfEVO0K (ORCPT + 99 others); Wed, 22 May 2019 10:26:10 -0400 Received: from merlin.infradead.org ([205.233.59.134]:49842 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728491AbfEVO0K (ORCPT ); Wed, 22 May 2019 10:26:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=xliR4pkBceBKXMuL8K0IPcfr0Tkls5aOoLDNqUn7FUY=; b=Xpp5LGLmUUHiAJhv+RwH6UdTc wZUWMAZ1qKGJnttQNjwxaLHKysTlpqH6oucE68TvdATECPIVgLYyh0rrEWaQaCUeubCFgEuJ71HX1 0CLkYHzBURtgiuI4GTFsnLTsTfLGsy5d2VLFuj3cckoOxUcQxpuwmDb/CjnouNiygMZsfq/BJDWWz +74fMlkOCGZZ1132gUKkYXs98A3WzsT4hsBe1nisvGSwgk/0e3romo7NW3NKZbhWT5Qkr8Q3sK0Xp 6KqHnPIx5Dw6x+K1VnR/Gqel6HgqWVB1G4HzjcLGHiNwH4QFM3PQ6M+LF27it/L9lGdW8nOWc95Li 2epZmQ7mA==; Received: from [31.161.185.207] (helo=worktop.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1hTSBS-0003j5-P8; Wed, 22 May 2019 14:25:35 +0000 Received: by worktop.programming.kicks-ass.net (Postfix, from userid 1000) id 14474984E0B; Wed, 22 May 2019 16:25:32 +0200 (CEST) Date: Wed, 22 May 2019 16:25:32 +0200 From: Peter Zijlstra To: Alexei Starovoitov Cc: Kris Van Hees , 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 Message-ID: <20190522142531.GE16275@worktop.programming.kicks-ass.net> References: <201905202347.x4KNl0cs030532@aserv0121.oracle.com> <20190521175617.ipry6ue7o24a2e6n@ast-mbp.dhcp.thefacebook.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190521175617.ipry6ue7o24a2e6n@ast-mbp.dhcp.thefacebook.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 21, 2019 at 10:56:18AM -0700, Alexei Starovoitov wrote: > and no changes are necessary in kernel/events/ring_buffer.c either. Let me just NAK them on the principle that I don't see them in my inbox. Let me further NAK it for adding all sorts of garbage to the code -- we're not going to do gaps and stay_in_page nonsense.