From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753654Ab3F0OQR (ORCPT ); Thu, 27 Jun 2013 10:16:17 -0400 Received: from usmamail.tilera.com ([12.216.194.151]:13224 "EHLO USMAMAIL.TILERA.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752680Ab3F0OQQ (ORCPT ); Thu, 27 Jun 2013 10:16:16 -0400 Message-ID: <51CC492C.1040105@tilera.com> Date: Thu, 27 Jun 2013 10:16:12 -0400 From: Chris Metcalf User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130509 Thunderbird/17.0.6 MIME-Version: 1.0 To: Chen Gang CC: "linux-kernel@vger.kernel.org" Subject: Re: [Suggestion] tile: include: asm: missing "feedback.h" file. References: <51CA6D21.3090901@asianux.com> In-Reply-To: <51CA6D21.3090901@asianux.com> X-Enigmail-Version: 1.5.1 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/26/2013 12:25 AM, Chen Gang wrote: > Hello Maintainers: > > The compilation failed by "make ARCH=tile tilegx_defconfig", and "make > ARCH=tile CROSS_COMPILE=tile-linux-gnu-" for upstream next-20130625. > > The related error: > > CC kernel/bounds.s > In file included from include/linux/linkage.h:7:0, > from include/linux/kernel.h:6, > from include/asm-generic/bug.h:13, > from arch/tile/include/generated/asm/bug.h:1, > from include/linux/bug.h:4, > from include/linux/page-flags.h:9, > from kernel/bounds.c:9: > /root/linux-next/arch/tile/include/asm/linkage.h:18:22: fatal error: feedback.h: No such file or directory > > We really need "feedback.h" > > arch/tile/kernel/entry.S: Assembler messages: > arch/tile/kernel/entry.S:26: Error: Unknown opcode `feedback_enter(current_text_addr)'. > arch/tile/kernel/entry.S:46: Error: Unknown opcode `feedback_enter(dump_stack)'. > arch/tile/kernel/entry.S:53: Error: Unknown opcode `feedback_enter(KBacktraceIterator_init_current)'. > arch/tile/kernel/entry.S:61: Error: Unknown opcode `feedback_enter(smp_nap)'. > arch/tile/kernel/entry.S:76: Error: Unknown opcode `feedback_enter(_cpu_idle)'. > > Welcome any suggestions and completions. This is fixed in gcc 4.7.2 or later. For the workaround, see: http://www.tilera.com/scm/source.html#feedback_h Essentially, you just have to create a dummy header, e.g. for 4.7.1: cat > $install/lib/gcc/tilegx-unknown-linux-gnu/4.7.1/include/feedback.h #define FEEDBACK_ENTER_EXPLICIT(FUNCNAME, SECNAME, SIZE) #define FEEDBACK_ENTER(FUNCNAME) #define FEEDBACK_REENTER(FUNCNAME) #define FEEDBACK_ENTRY(FUNCNAME, SECNAME, SIZE) ^D -- Chris Metcalf, Tilera Corp. http://www.tilera.com