From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C352ACCA47B for ; Fri, 8 Jul 2022 15:43:34 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Lfcxx164Fz3cd4 for ; Sat, 9 Jul 2022 01:43:33 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=csgroup.eu (client-ip=93.17.235.10; helo=pegase2.c-s.fr; envelope-from=christophe.leroy@csgroup.eu; receiver=) Received: from pegase2.c-s.fr (pegase2.c-s.fr [93.17.235.10]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4LfcxQ1KPjz306r for ; Sat, 9 Jul 2022 01:43:03 +1000 (AEST) Received: from localhost (mailhub3.si.c-s.fr [172.26.127.67]) by localhost (Postfix) with ESMTP id 4LfcxF5Z83z9tLy; Fri, 8 Jul 2022 17:42:57 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from pegase2.c-s.fr ([172.26.127.65]) by localhost (pegase2.c-s.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id MrLG8Zz7NbHn; Fri, 8 Jul 2022 17:42:57 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase2.c-s.fr (Postfix) with ESMTP id 4LfcxF4gdYz9tLp; Fri, 8 Jul 2022 17:42:57 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 8E83F8B76E; Fri, 8 Jul 2022 17:42:57 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id GlkeXLTRQmNg; Fri, 8 Jul 2022 17:42:57 +0200 (CEST) Received: from [192.168.233.202] (unknown [192.168.233.202]) by messagerie.si.c-s.fr (Postfix) with ESMTP id DD89C8B763; Fri, 8 Jul 2022 17:42:56 +0200 (CEST) Message-ID: Date: Fri, 8 Jul 2022 17:42:56 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [RFC PATCH v3 00/12] objtool: Enable and implement --mcount option on powerpc Content-Language: fr-FR From: Christophe Leroy To: Sathvika Vasireddy , linuxppc-dev@lists.ozlabs.org References: <20220624183238.388144-1-sv@linux.ibm.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peterz@infradead.org, linux-kernel@vger.kernel.org, rostedt@goodmis.org, aik@ozlabs.ru, mingo@redhat.com, paulus@samba.org, jpoimboe@redhat.com, naveen.n.rao@linux.vnet.ibm.com, mbenes@suse.cz Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Le 08/07/2022 à 17:06, Christophe Leroy a écrit : > > > Le 24/06/2022 à 20:32, Sathvika Vasireddy a écrit : >> These patches are rebased on top of objtool/core >> branch of the tip tree, and are tested on >> ppc64le with ppc64le_defconfig. > > Seems like objtool/core has been merged in 5.19. I was able to apply > your series on top of powerpc/merge branch. Only a small conflict with > patch "objtool: Add --mnop as an option to --mcount" because of commit > b42d23065024 ("kbuild: factor out the common objtool arguments") In order to build, you will also need the following new file: diff --git a/arch/powerpc/include/asm/asm.h b/arch/powerpc/include/asm/asm.h new file mode 100644 index 000000000000..86f46b604e9a --- /dev/null +++ b/arch/powerpc/include/asm/asm.h @@ -0,0 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_POWERPC_ASM_H +#define _ASM_POWERPC_ASM_H + +#define _ASM_PTR " .long " + +#endif /* _ASM_POWERPC_ASM_H */ > >> >> Christophe Leroy (3): >> objtool: Fix SEGFAULT >> objtool: Use target file endianness instead of a compiled constant >> objtool: Use target file class size instead of a compiled constant >> >> Sathvika Vasireddy(9): >> objtool: Add --mnop as an option to --mcount >> powerpc: Skip objtool from running on VDSO files >> objtool: Read special sections with alts only when specific options >> are selected >> objtool: Use macros to define arch specific reloc types >> objtool: Add arch specific function arch_ftrace_match() >> objtool/powerpc: Enable objtool to be built on ppc >> objtool/powerpc: Add --mcount specific implementation >> powerpc: Remove unreachable() from WARN_ON() >> objtool/powerpc: Fix unannotated intra-function call warnings >> >> Makefile | 4 +- >> arch/powerpc/Kconfig | 2 + >> arch/powerpc/include/asm/bug.h | 1 - >> arch/powerpc/kernel/entry_64.S | 2 + >> arch/powerpc/kernel/exceptions-64s.S | 7 +- >> arch/powerpc/kernel/head_64.S | 7 +- >> arch/powerpc/kernel/misc_64.S | 4 +- >> arch/powerpc/kernel/vdso/Makefile | 2 + >> arch/powerpc/kernel/vector.S | 4 +- >> arch/powerpc/kvm/book3s_hv_interrupts.S | 4 +- >> arch/powerpc/kvm/book3s_hv_rmhandlers.S | 25 +++-- >> arch/x86/Kconfig | 1 + >> scripts/Makefile.build | 1 + >> tools/objtool/arch/powerpc/Build | 2 + >> tools/objtool/arch/powerpc/decode.c | 96 +++++++++++++++++++ >> .../arch/powerpc/include/arch/cfi_regs.h | 11 +++ >> tools/objtool/arch/powerpc/include/arch/elf.h | 10 ++ >> .../arch/powerpc/include/arch/special.h | 21 ++++ >> tools/objtool/arch/powerpc/special.c | 19 ++++ >> tools/objtool/arch/x86/decode.c | 8 ++ >> tools/objtool/arch/x86/include/arch/elf.h | 2 + >> .../arch/x86/include/arch/endianness.h | 9 -- >> tools/objtool/builtin-check.c | 14 +++ >> tools/objtool/check.c | 51 +++++----- >> tools/objtool/elf.c | 8 +- >> tools/objtool/include/objtool/arch.h | 2 + >> tools/objtool/include/objtool/builtin.h | 1 + >> tools/objtool/include/objtool/elf.h | 8 ++ >> tools/objtool/include/objtool/endianness.h | 32 +++---- >> tools/objtool/orc_dump.c | 11 ++- >> tools/objtool/orc_gen.c | 4 +- >> tools/objtool/special.c | 3 +- >> 32 files changed, 305 insertions(+), 71 deletions(-) >> create mode 100644 tools/objtool/arch/powerpc/Build >> create mode 100644 tools/objtool/arch/powerpc/decode.c >> create mode 100644 tools/objtool/arch/powerpc/include/arch/cfi_regs.h >> create mode 100644 tools/objtool/arch/powerpc/include/arch/elf.h >> create mode 100644 tools/objtool/arch/powerpc/include/arch/special.h >> create mode 100644 tools/objtool/arch/powerpc/special.c >> delete mode 100644 tools/objtool/arch/x86/include/arch/endianness.h >>