From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751291AbeEBUqH (ORCPT ); Wed, 2 May 2018 16:46:07 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:43146 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751261AbeEBUqA (ORCPT ); Wed, 2 May 2018 16:46:00 -0400 Date: Wed, 2 May 2018 13:45:58 -0700 From: Andrew Morton To: Steven Rostedt Cc: changbin.du@intel.com, yamada.masahiro@socionext.com, michal.lkml@markovi.net, tglx@linutronix.de, mingo@redhat.com, rdunlap@infradead.org, x86@kernel.org, lgirdwood@gmail.com, broonie@kernel.org, arnd@arndb.de, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Subject: Re: [PATCH v2 4/5] kernel hacking: new config DEBUG_EXPERIENCE to apply GCC -Og optimization Message-Id: <20180502134558.1f388e097dcde6f589635404@linux-foundation.org> In-Reply-To: <20180502101707.206984e9@gandalf.local.home> References: <1525268700-10631-1-git-send-email-changbin.du@intel.com> <1525268700-10631-5-git-send-email-changbin.du@intel.com> <20180502101707.206984e9@gandalf.local.home> X-Mailer: Sylpheed 3.6.0 (GTK+ 2.24.31; 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 List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2 May 2018 10:17:07 -0400 Steven Rostedt wrote: > > Comparison of vmlinux size: a bit smaller. > > > > w/o CONFIG_DEBUG_EXPERIENCE > > I hate the config name. > > I probably can't come up with better ones but let's try: > > CONFIG_DEBUG_OPTIMIZE ? > CONFIG_OPTIMIZE_DEBUG ? > > But "EXPERIENCE" sounds like I'm on some DEBUG LSD. Metoo, but the gcc people decided on "-Og: Optimize debugging experience ..." and I think there are benefits if the kernel is to align the naming with that.