Received: by 2002:a25:d7c1:0:0:0:0:0 with SMTP id o184csp5073277ybg; Mon, 21 Oct 2019 20:21:58 -0700 (PDT) X-Google-Smtp-Source: APXvYqwJWKPOhLW/8ptLauel9zm/GJizibTptGO2Qx0efs3l5xEjfmozjNe9jOMFqn6QdflON7Ns X-Received: by 2002:aa7:d8c6:: with SMTP id k6mr28678612eds.87.1571714518304; Mon, 21 Oct 2019 20:21:58 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1571714518; cv=none; d=google.com; s=arc-20160816; b=ctfWbazxkiDlk8nFYpEsfRo91Xqnwf3EVSa5aJ9D7dEJryA+FckmgI/5S2zhSe6V1c b+AKAl1nghzO8sRAw4konnUc4fVD1s7WSi2gSlCfHNTbhYaip0O4g5BpI2Ej66FH1KHX l1SYiVVGeJOtbHEkOcd9UqMZe228IVzi18ffwRZ2ZY9GBPP4/2JcfIH7Y3XYe0f5jOjM 1bYhOGGu4FYLRxuzhqk4En1dGC5/wcsVlcMvZa8yPlP4KsqctQCKf2qT4F3DDSt6XeBn 50cI7mhiQMQ01V/EbfhW9YVCzT8itWYVNmtAAxu+J7EhDZ5EeRnVryv8m/wakT609Kvj b+VA== 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:message-id:subject:cc:to:from:date; bh=CrSTolVofhA2Itg+oB2hwP9J0TcKcuy1PIavzQLhr/4=; b=rPcZqV+DOeI2tohh3+bIeonwDBrGimSYij9u8qRpNjmDZzmi4pWXixUhyQgS+evPo6 wx3UMosqHTdrmngr2jTn3VJP0nfjvWLkid6KGPgQzrdG8FeezR0FNPveNqG3HwJndxEg Ai80YLpxqeGp2i5ZXp9VC7olxX8Y4IsrE1vFgOtgKiF9Jn0sqWxAI7nwxE8WZpKMwQQL 1f0bcWOXNkQoHA3E3ieaUIKdA3s45zpSDCaNlow86AJU1rZ8+AWlAt5Q1MEkvpONLivI m+EtWzLrncgugDMTWPUT+HPZFU82F+pksqNZIJVXNZh5jkR+Y42YEXwJm9phNL1g6ZMM ieDw== 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 q1si11733854edj.354.2019.10.21.20.21.34; Mon, 21 Oct 2019 20:21:58 -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 S1730895AbfJVDTH (ORCPT + 99 others); Mon, 21 Oct 2019 23:19:07 -0400 Received: from mail.kernel.org ([198.145.29.99]:55942 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730156AbfJVDTH (ORCPT ); Mon, 21 Oct 2019 23:19:07 -0400 Received: from oasis.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0529820882; Tue, 22 Oct 2019 03:19:05 +0000 (UTC) Date: Mon, 21 Oct 2019 23:19:04 -0400 From: Steven Rostedt To: Alexei Starovoitov Cc: Peter Zijlstra , Daniel Bristot de Oliveira , LKML , X86 ML , Nadav Amit , Andy Lutomirski , Dave Hansen , Song Liu , Masami Hiramatsu Subject: Re: [PATCH 3/3] x86/ftrace: Use text_poke() Message-ID: <20191021231904.4b968dc1@oasis.local.home> In-Reply-To: <20191021231630.49805757@oasis.local.home> References: <20190827180622.159326993@infradead.org> <20190827181147.166658077@infradead.org> <20191002182106.GC4643@worktop.programming.kicks-ass.net> <20191003181045.7fb1a5b3@gandalf.local.home> <20191004112237.GA19463@hirez.programming.kicks-ass.net> <20191004094228.5a5774fe@gandalf.local.home> <20191021204310.3c26f730@oasis.local.home> <20191021231630.49805757@oasis.local.home> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 21 Oct 2019 23:16:30 -0400 Steven Rostedt wrote: > > what bugs you're seeing? > > The IPI frequency that was mentioned in this thread or something else? > > I'm hacking ftrace+bpf stuff in the same spot and would like to > > base my work on the latest and greatest. I'm also going to be touching some of this code too, as I'm waiting for Peter's code to settle down. What are you touching? I'm going to be working on making the dyn_ftrace records smaller, and this is going to change the way the iterations work on modifying the code. This is what I discussed on stage at Kernel Recipes with Willy Tarreau. -- Steve