Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp6028177ybi; Wed, 31 Jul 2019 07:13:18 -0700 (PDT) X-Google-Smtp-Source: APXvYqx7F9SnkhK+RHyh7URnnIr+hSENpfVebCAWG0GC2TeE/+uGLB05pNE+ooN0sipxa1nd+y9k X-Received: by 2002:a65:4c4d:: with SMTP id l13mr72514407pgr.156.1564582398345; Wed, 31 Jul 2019 07:13:18 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1564582398; cv=none; d=google.com; s=arc-20160816; b=PeRvIWgoJpm/cTM/H/q3ihqQlgxwMrc6w1+yH0YGn9PKsOk4vClhFPlcPvSAbMNEFm 9gp7JlnOQoxOrJOJznlIaSaVIyMiSLCUN5zJyVc8NcJiLJzXhoexrrvgTiCN5es/2cyx oLMAI/DS5MrdDO9Mp0TtOL1PyWuGc1mhwy9O1w6nrDHIFb+/i+1M/0bMlj6s8wESF76T M5MZHDGg3yJJfigS4pUxNiLHhgVxe24w7JvZWyA6Bk8tAa4icVc8XKyNlESTtZBQ7Nzo cfuHVnqUG94x4xWPRZ4bPecBxL3MckPwhuXu6fDRVL4qbOIXPXeq1GJyzoyZ4k7AyQxD 06Xw== 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=doFiuC03hIlU+9PjgD4ocxzFjps/QP6IkaluILI3N90=; b=dXebAMFSMc8Tv+bEsSp0F31B60ssiV+/yIltF9WaFaIoL9D7zB4qgAb7bxyZoYfyZN jsQ7kL5bYM4DLi6efcs09URIyhkqKyvK9pIqe14PxWOETuyozIgVoRGn+gVAvqAp/aZN nu5Cf6pHmF9cA310+7bdhJyFh6ve7q9IcBGslhsT0M3/O3Ysu/fHbqsf5EhPJpqd6kLu xkBdsiQ+mNxChPCNOlwXsc7Vvz3nEHgZI74kGvQHr3M+CUznv8NrZwDGgHAhFXx7aTLW M4+hr5Zivwp4GK3TTcwaQFgutZIHMPrOBkU7NRqooW1LsmkDGavHlxMJ3v9HbtAMA/R2 nD0Q== 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 c10si32744427pgw.174.2019.07.31.07.12.56; Wed, 31 Jul 2019 07:13:18 -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 S1728305AbfGaL6k (ORCPT + 99 others); Wed, 31 Jul 2019 07:58:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:48836 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726980AbfGaL6k (ORCPT ); Wed, 31 Jul 2019 07:58:40 -0400 Received: from gandalf.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 03129206A3; Wed, 31 Jul 2019 11:58:38 +0000 (UTC) Date: Wed, 31 Jul 2019 07:58:37 -0400 From: Steven Rostedt To: Changbin Du Cc: Ingo Molnar , linux-kernel@vger.kernel.org Subject: Re: [PATCH] fgraph: Remove redundant ftrace_graph_notrace_addr() test Message-ID: <20190731075837.6d2a3995@gandalf.local.home> In-Reply-To: <20190731103143.ear4erai6yvt4ct6@mail.google.com> References: <20190730140850.7927-1-changbin.du@gmail.com> <20190730121527.13f600f5@gandalf.local.home> <20190731103143.ear4erai6yvt4ct6@mail.google.com> 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 Wed, 31 Jul 2019 18:31:45 +0800 Changbin Du wrote: > On Tue, Jul 30, 2019 at 12:15:27PM -0400, Steven Rostedt wrote: > > On Tue, 30 Jul 2019 22:08:50 +0800 > > Changbin Du wrote: > > > > > We already have tested it before. The second one should be removed. > > > With this change, the performance should have little improvement. > > > > > > Fixes: 9cd2992f2d6c ("fgraph: Have set_graph_notrace only affect function_graph tracer") > > > > Thanks! I think this should even be marked for stable. Not really a bad > > bug, but a bug none the less. > > > Steven, need I resend this patch and cc stable mailist? > No. I actually already pulled it in and ran it through my tests. I'm waiting on some more tests before pushing it off to Linus. -- Steve