From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757384AbXEIRWT (ORCPT ); Wed, 9 May 2007 13:22:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755507AbXEIRWK (ORCPT ); Wed, 9 May 2007 13:22:10 -0400 Received: from gra-lx1.iram.es ([150.214.224.41]:38530 "EHLO gra-lx1.iram.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755362AbXEIRWJ (ORCPT ); Wed, 9 May 2007 13:22:09 -0400 X-Greylist: delayed 1842 seconds by postgrey-1.27 at vger.kernel.org; Wed, 09 May 2007 13:22:09 EDT From: Gabriel Paubert Date: Wed, 9 May 2007 18:51:15 +0200 To: Stephen Rothwell Cc: LKML , ppc-dev , Andrew Morton , paulus@samba.org Subject: Section mismatch warnings (was Re: [PATCH] early_pfn_to_nid needs to be __meminit) Message-ID: <20070509165115.GA23576@iram.es> References: <20070510022552.4bb1a407.sfr@canb.auug.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070510022552.4bb1a407.sfr@canb.auug.org.au> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 10, 2007 at 02:25:52AM +1000, Stephen Rothwell wrote: > since it is referenced by memmap_init_zone (which is __meminit) via the > early_pfn_in_nid macro when CONFIG_NODES_SPAN_OTHER_NODES is set (which > basically means PowerPC 64). > > This removes a section mismatch warning in those circumstances. Speaking of this, I just tried to compile an official (Linus' git tree) kernel for my old PMac G4 and I get a lot of section mismatch warnings at the end of the compilation: LD vmlinux SYSMAP System.map SYSMAP .tmp_System.map MODPOST vmlinux WARNING: "fee_restarts" [arch/powerpc/kernel/built-in] is COMMON symbol WARNING: "ee_restarts" [arch/powerpc/kernel/built-in] is COMMON symbol WARNING: arch/powerpc/kernel/built-in.o - Section mismatch: reference to .init.data:.got2 from dt_string_start (offset 0x8) WARNING: arch/powerpc/kernel/built-in.o - Section mismatch: reference to .init.data:.got2 from dt_string_end (offset 0xc) ... WARNING: arch/powerpc/kernel/built-in.o - Section mismatch: reference to .init.data:.got2 from dt_struct_end (offset 0x20c) WARNING: arch/powerpc/kernel/built-in.o - Section mismatch: reference to .init.data:.got2 from disp_BAT (offset 0x234) WARNING: "primary_pteg_full" [arch/powerpc/mm/built-in] is COMMON symbol WARNING: "next_slot" [arch/powerpc/mm/built-in] is COMMON symbol WARNING: "htab_hash_searches" [arch/powerpc/mm/built-in] is COMMON symbol WARNING: arch/powerpc/mm/built-in.o - Section mismatch: reference to .init.text:early_get_page from .text between 'pte_alloc_one_kernel' (at offset 0xf50) and 'v_mapped_by_bats' WARNING: arch/powerpc/platforms/built-in.o - Section mismatch: reference to .init.data:.got2 from (offset 0x0) ... WARNING: arch/powerpc/platforms/built-in.o - Section mismatch: reference to .init.text:pmac_pcibios_after_init from .machine.desc after 'mach_powermac' (at offset 0xc4) WARNING: mm/built-in.o - Section mismatch: reference to .init.text:set_up_list3s from .text between 'kmem_cache_create' (at offset 0x1de88) and 'kmem_cache_shrink' WARNING: mm/built-in.o - Section mismatch: reference to .init.text:set_up_list3s from .text between 'kmem_cache_create' (at offset 0x1dec0) and 'kmem_cache_shrink' I find these 50 or so warnings so scary that I've not yet tried to boot the kernel. Note that this is a non-modular kernel. Gabriel