From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757067Ab3H3ReV (ORCPT ); Fri, 30 Aug 2013 13:34:21 -0400 Received: from david.siemens.de ([192.35.17.14]:27527 "EHLO david.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756532Ab3H3ReU (ORCPT ); Fri, 30 Aug 2013 13:34:20 -0400 Message-ID: <5220D787.1060304@siemens.com> Date: Fri, 30 Aug 2013 19:33:59 +0200 From: Jan Kiszka User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 MIME-Version: 1.0 To: Steven Rostedt CC: "H. Peter Anvin" , Fenghua Yu , Linux Kernel Mailing List , x86 , Ingo Molnar , Thomas Gleixner Subject: Re: x86-32: Early microcode loading stumbles over disabled DYNAMIC_FTRACE References: <5217908E.2040702@siemens.com> <5220BC1A.3030108@zytor.com> <20130830115142.1ee4c825@gandalf.local.home> <5220C9C6.5020808@zytor.com> <20130830130331.1e260e85@gandalf.local.home> <5220D350.7030008@zytor.com> <20130830132525.06a944e8@gandalf.local.home> In-Reply-To: <20130830132525.06a944e8@gandalf.local.home> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2013-08-30 19:25, Steven Rostedt wrote: > On Fri, 30 Aug 2013 10:16:00 -0700 > "H. Peter Anvin" wrote: > >>> Who uses static tracing? I only use it to test that it still works ;-) >> >> Can we get rid of it? >> > > I've though about it. But as some archs only have static tracing > available (I need to revisit to make sure that's still the case), I > kept it because I only test static tracing on x86. > > I'm not sure if people still use it for x86 or not. > > Jan, you use static tracing on x86? Yes, due to out-of-tree code that is not compatible with dynamic tracing. It might be feasible to change this, I didn't try again recently. If static tracing goes away upstream, I'll have to sooner or later. Jan -- Siemens AG, Corporate Technology, CT RTC ITP SES-DE Corporate Competence Center Embedded Linux