From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758233AbaDBI3d (ORCPT ); Wed, 2 Apr 2014 04:29:33 -0400 Received: from cpsmtpb-ews06.kpnxchange.com ([213.75.39.9]:49486 "EHLO cpsmtpb-ews06.kpnxchange.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758199AbaDBI32 (ORCPT ); Wed, 2 Apr 2014 04:29:28 -0400 Message-ID: <1396427366.18431.23.camel@x220> Subject: Re: [GIT PULL] x86 LTO changes for v3.15 From: Paul Bolle To: Andi Kleen Cc: "H. Peter Anvin" , Linus Torvalds , gleb@redhat.com, hpa@zytor.com, hubicka@ucw.cz, linux-kernel@vger.kernel.org, mingo@kernel.org, pbonzini@redhat.com, perex@perex.cz, peterz@infradead.org, rostedt@goodmis.org, rusty@rustcorp.com.au, tglx@linutronix.de Date: Wed, 02 Apr 2014 10:29:26 +0200 In-Reply-To: <20140401231741.GM32556@tassilo.jf.intel.com> References: <201403312105.s2VL5AqX010173@terminus.zytor.com> <1396385391.23763.30.camel@x220> <20140401231741.GM32556@tassilo.jf.intel.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4 (3.10.4-2.fc20) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 02 Apr 2014 08:29:26.0959 (UTC) FILETIME=[A8DDCBF0:01CF4E4D] X-RcptDomain: vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2014-04-01 at 16:17 -0700, Andi Kleen wrote: > On Tue, Apr 01, 2014 at 10:49:51PM +0200, Paul Bolle wrote: > > I can't find a Kconfig symbol LTO nor a preprocessor define for > > CONFIG_LTO. (I only checked master of Linus's tree and linux-next.) > > The patch for LTO is not merged yet, this is all preparation. > > > > > Why is this check for CONFIG_LTO needed? > > The comment just below describes the problem. > > Or is your question what LTO is? Link Time Optimization I asked the wrong question, as I wanted to ask whether a Kconfig symbol LTO is perhaps pending somewhere. You basically answered that question already. Thanks, Paul Bolle