From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D773BC4727D for ; Mon, 5 Oct 2020 07:10:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 900832080A for ; Mon, 5 Oct 2020 07:10:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725881AbgJEHKK (ORCPT ); Mon, 5 Oct 2020 03:10:10 -0400 Received: from mx2.suse.de ([195.135.220.15]:48016 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725870AbgJEHKJ (ORCPT ); Mon, 5 Oct 2020 03:10:09 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 600D5AA55; Mon, 5 Oct 2020 07:10:08 +0000 (UTC) Date: Mon, 5 Oct 2020 09:10:07 +0200 (CEST) From: Miroslav Benes To: Josh Poimboeuf cc: Peter Zijlstra , Sami Tolvanen , Masahiro Yamada , Will Deacon , Steven Rostedt , Greg Kroah-Hartman , "Paul E. McKenney" , Kees Cook , Nick Desaulniers , clang-built-linux@googlegroups.com, kernel-hardening@lists.openwall.com, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, x86@kernel.org, jthierry@redhat.com Subject: Re: [PATCH v4 04/29] objtool: Add a pass for generating __mcount_loc In-Reply-To: <20201002141303.hyl72to37wudoi66@treble> Message-ID: References: <20200929214631.3516445-1-samitolvanen@google.com> <20200929214631.3516445-5-samitolvanen@google.com> <20201001133612.GQ2628@hirez.programming.kicks-ass.net> <20201002141303.hyl72to37wudoi66@treble> User-Agent: Alpine 2.21 (LSU 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org On Fri, 2 Oct 2020, Josh Poimboeuf wrote: > On Thu, Oct 01, 2020 at 03:36:12PM +0200, Peter Zijlstra wrote: > > On Thu, Oct 01, 2020 at 03:17:07PM +0200, Miroslav Benes wrote: > > > > > I also wonder about making 'mcount' command separate from 'check'. Similar > > > to what is 'orc' now. But that could be done later. > > > > I'm not convinced more commands make sense. That only begets us the > > problem of having to run multiple commands. > > Agreed, it gets hairy when we need to combine things. I think "orc" as > a separate subcommand was a mistake. > > We should change to something like > > objtool run [--check] [--orc] [--mcount] > objtool dump [--orc] [--mcount] Yes, that makes sense. Miroslav