From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f195.google.com ([209.85.192.195]:36260 "EHLO mail-pf0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751964AbeDTKlP (ORCPT ); Fri, 20 Apr 2018 06:41:15 -0400 Date: Fri, 20 Apr 2018 20:41:04 +1000 From: Nicholas Piggin Subject: Re: [PATCH 4/4] powerpc: Allow LD_DEAD_CODE_DATA_ELIMINATION to be selected Message-ID: <20180420204104.6e22b136@roar.ozlabs.ibm.com> In-Reply-To: References: <20180420073414.23169-1-npiggin@gmail.com> <20180420073414.23169-5-npiggin@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kbuild-owner@vger.kernel.org List-ID: To: Mathieu Malaterre Cc: linuxppc-dev , linux-arch@vger.kernel.org, Nicolas Pitre , linux-kbuild@vger.kernel.org On Fri, 20 Apr 2018 12:00:49 +0200 Mathieu Malaterre wrote: > On Fri, Apr 20, 2018 at 9:34 AM, Nicholas Piggin wrote: > > This requires further changes to linker script to KEEP some tables > > and wildcard compiler generated sections into the right place. This > > includes pp32 modifications from Christophe Leroy. > > > > When compiling powernv_defconfig with this option: > > > > text data bss dec filename > > 11827621 4810490 1341080 17979191 vmlinux > > 11752437 4598858 1338776 17690071 vmlinux.dcde > > > > Resulting kernel is almost 400kB smaller (and still boots). > > > > [ppc32 numbers here] > > ^^^ > > Do you want somebody else to provide those numbers ? If you have a booting kernel, yes some more numbers would be good. Thanks, Nick From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicholas Piggin Subject: Re: [PATCH 4/4] powerpc: Allow LD_DEAD_CODE_DATA_ELIMINATION to be selected Date: Fri, 20 Apr 2018 20:41:04 +1000 Message-ID: <20180420204104.6e22b136@roar.ozlabs.ibm.com> References: <20180420073414.23169-1-npiggin@gmail.com> <20180420073414.23169-5-npiggin@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org Sender: "Linuxppc-dev" To: Mathieu Malaterre Cc: linux-arch@vger.kernel.org, linux-kbuild@vger.kernel.org, linuxppc-dev , Nicolas Pitre List-Id: linux-arch.vger.kernel.org On Fri, 20 Apr 2018 12:00:49 +0200 Mathieu Malaterre wrote: > On Fri, Apr 20, 2018 at 9:34 AM, Nicholas Piggin wrote: > > This requires further changes to linker script to KEEP some tables > > and wildcard compiler generated sections into the right place. This > > includes pp32 modifications from Christophe Leroy. > > > > When compiling powernv_defconfig with this option: > > > > text data bss dec filename > > 11827621 4810490 1341080 17979191 vmlinux > > 11752437 4598858 1338776 17690071 vmlinux.dcde > > > > Resulting kernel is almost 400kB smaller (and still boots). > > > > [ppc32 numbers here] > > ^^^ > > Do you want somebody else to provide those numbers ? If you have a booting kernel, yes some more numbers would be good. Thanks, Nick