From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967713AbeBPMwT (ORCPT ); Fri, 16 Feb 2018 07:52:19 -0500 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:39082 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S967661AbeBPMwS (ORCPT ); Fri, 16 Feb 2018 07:52:18 -0500 Date: Fri, 16 Feb 2018 06:52:17 -0600 From: Josh Poimboeuf To: Ingo Molnar Cc: Tejun Heo , x86@kernel.org, linux-kernel@vger.kernel.org, Steven Rostedt , Thomas Gleixner , Linus Torvalds , Peter Zijlstra , Jason Baron , Borislav Petkov Subject: Re: [PATCH 3/3] percpu: Remove inert tracepoint in __init code Message-ID: <20180216125217.zhhn3j2ar55wchh2@treble> References: <42d6bf23a6d151b5d13778be969c7a063d60665a.1518626149.git.jpoimboe@redhat.com> <20180215152246.GT695913@devbig577.frc2.facebook.com> <20180215153341.5zlc2opvx2vteoqe@treble> <20180216090233.lpuqu4z4co6zy5rb@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20180216090233.lpuqu4z4co6zy5rb@gmail.com> User-Agent: Mutt/1.6.0.1 (2016-04-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 16, 2018 at 10:02:33AM +0100, Ingo Molnar wrote: > > * Josh Poimboeuf wrote: > > > On Thu, Feb 15, 2018 at 07:22:46AM -0800, Tejun Heo wrote: > > > On Wed, Feb 14, 2018 at 10:40:43AM -0600, Josh Poimboeuf wrote: > > > > The jump_label code doesn't patch init code, so this tracepoint can > > > > never be enabled. Remove it. > > > > > > > > Cc: Tejun Heo > > > > Signed-off-by: Josh Poimboeuf > > > > > > Applied to percpu/for-4.17. > > > > Actually, I think this patch should be dropped. As Jason pointed out, > > tracepoints *can* be enabled at boot time for __init code, so it's > > possible for this tracepoint to be used. > > Would it still be useful to have the warning for failed patching? Yes, I'm working on a v2. -- Josh