Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753435AbaDOBwh (ORCPT ); Mon, 14 Apr 2014 21:52:37 -0400 Received: from mga02.intel.com ([134.134.136.20]:41003 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751174AbaDOBwe (ORCPT ); Mon, 14 Apr 2014 21:52:34 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,861,1389772800"; d="scan'208";a="492932243" Date: Mon, 14 Apr 2014 18:52:33 -0700 From: Andi Kleen To: Josh Triplett Cc: Ingo Molnar , Markus Trippelsdorf , Linus Torvalds , Michal Marek , Linux Kbuild mailing list , Linux Kernel Mailing List , Sam Ravnborg Subject: Re: [GIT] kbuild/lto changes for 3.15-rc1 Message-ID: <20140415015233.GE32556@tassilo.jf.intel.com> References: <20140407201919.GA15838@sepie.suse.cz> <20140408204906.GA3616@cloud> <20140409013557.GA32556@tassilo.jf.intel.com> <20140409060133.GA6766@gmail.com> <20140409081709.GA283@x4> <20140414103205.GA2846@gmail.com> <20140415010003.GA2765@jtriplet-mobl1> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140415010003.GA2765@jtriplet-mobl1> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > and it slows down > > kernel development'. > > No, it doesn't slow down development builds; it makes kernel builds > slower if and only if LTO is turned on, which most kernel developers > won't need to do. On the other hand, distro and embedded kernels can do > so for final builds, and developers pushing to minimize the kernel can > turn it on for their own work as needed. Yes and the patch even takes special care that you will not enable it by mistake. -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/