Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753534AbcD0UEr (ORCPT ); Wed, 27 Apr 2016 16:04:47 -0400 Received: from pandora.arm.linux.org.uk ([78.32.30.218]:54468 "EHLO pandora.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752750AbcD0UEp (ORCPT ); Wed, 27 Apr 2016 16:04:45 -0400 Date: Wed, 27 Apr 2016 21:04:35 +0100 From: Russell King - ARM Linux To: Geert Uytterhoeven Cc: "linux-kernel@vger.kernel.org" , the arch/x86 maintainers , "linux-arm-kernel@lists.infradead.org" Subject: Re: Build regressions/improvements in v4.6-rc5 Message-ID: <20160427200435.GS19428@n2100.arm.linux.org.uk> References: <1461572127-14630-1-git-send-email-geert@linux-m68k.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2664 Lines: 53 On Mon, Apr 25, 2016 at 10:18:39AM +0200, Geert Uytterhoeven wrote: > On Mon, Apr 25, 2016 at 10:15 AM, Geert Uytterhoeven > wrote: > > JFYI, when comparing v4.6-rc5[1] to v4.6-rc4[3], the summaries are: > > - build errors: +15/-5 > > + /home/kisskb/slave/src/arch/arm/mach-sa1100/assabet.c: error: > 'PMD_MASK' undeclared (first use in this function): => 496:38 > + /home/kisskb/slave/src/arch/arm/mach-sa1100/assabet.c: error: > 'pmdval_t' undeclared (first use in this function): => 498:13 > + /home/kisskb/slave/src/arch/arm/mach-sa1100/assabet.c: error: > implicit declaration of function 'flush_pmd_entry' > [-Werror=implicit-function-declaration]: => 503:2 Looks like nommu stuff, as I know assabet builds with my mmu-full configuration. > + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error: > 'COPYPAGE_MINICACHE' undeclared (first use in this function): => > 77:14 > + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error: > 'L_PTE_MT_MINICACHE' undeclared (first use in this function): => > 77:47 > + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error: > 'L_PTE_PRESENT' undeclared (first use in this function): => 77:47 > + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error: > 'L_PTE_YOUNG' undeclared (first use in this function): => 77:47 > + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error: > implicit declaration of function '__flush_dcache_page' > [-Werror=implicit-function-declaration]: => 73:3 > + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error: > implicit declaration of function 'mk_pte' > [-Werror=implicit-function-declaration]: => 77:2 > + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error: > implicit declaration of function 'set_top_pte' > [-Werror=implicit-function-declaration]: => 77:2 > + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error: unknown > field 'cpu_clear_user_highpage' specified in initializer: => 113:2 > + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error: unknown > field 'cpu_copy_user_highpage' specified in initializer: => 114:2 > + /home/kisskb/slave/src/arch/arm/mm/copypage-v4mc.c: error: > variable 'v4_mc_user_fns' has initializer but incomplete type: => > 112:8 My guess is that it (and other copypage-* headers) need to include asm/page.h, but maybe this is another nommu problem, I don't know. I don't have time to analyse these as I'm still catching up with email, and will be for a while yet. -- RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.