From nobody Fri Dec 19 14:22:53 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BF841C83F12 for ; Tue, 29 Aug 2023 06:28:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233137AbjH2G2c (ORCPT ); Tue, 29 Aug 2023 02:28:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44038 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233128AbjH2G2M (ORCPT ); Tue, 29 Aug 2023 02:28:12 -0400 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 0732218F for ; Mon, 28 Aug 2023 23:28:08 -0700 (PDT) Received: from loongson.cn (unknown [113.200.148.30]) by gateway (Coremail) with SMTP id _____8Bxd+j3j+1kDKwcAA--.22583S3; Tue, 29 Aug 2023 14:28:07 +0800 (CST) Received: from linux.localdomain (unknown [113.200.148.30]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxPCP1j+1kCD9mAA--.32175S2; Tue, 29 Aug 2023 14:28:07 +0800 (CST) From: Tiezhu Yang To: Huacai Chen Cc: loongarch@lists.linux.dev, linux-kernel@vger.kernel.org, loongson-kernel@lists.loongnix.cn Subject: [PATCH] LoongArch: Define the symbol fault as a local label in fpu.S Date: Tue, 29 Aug 2023 14:28:05 +0800 Message-Id: <1693290485-3516-1-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 X-CM-TRANSID: AQAAf8DxPCP1j+1kCD9mAA--.32175S2 X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBj93XoW7AF1UtF1rGr48Gw13XrWDAwc_yoW8Aw17pr y7Zr4kWr4rWFnIya9xAwn5WrW5GanrGF47W3ZrA34xCrWjqF1DZa18JrykXF1jqw47JF4F qF1rXrWYq3WDA3gCm3ZEXasCq-sJn29KB7ZKAUJUUUU5529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUkYb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVWxJr0_GcWle2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa020Ex4CE44I27w Aqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jrv_JF1lYx0Ex4A2jsIE 14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCF04k20xvY0x 0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E 7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw1lIxkGc2Ij64vIr41lIxAIcV C0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIxAIcVCF 04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7 CjxVAFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7IU8zwZ7UUUUU== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The initial aim is to silence the following objtool warnings: arch/loongarch/kernel/fpu.o: warning: objtool: _save_fp_context() falls t= hrough to next function fault() arch/loongarch/kernel/fpu.o: warning: objtool: _restore_fp_context() fall= s through to next function fault() arch/loongarch/kernel/fpu.o: warning: objtool: _save_lsx_context() falls = through to next function fault() arch/loongarch/kernel/fpu.o: warning: objtool: _restore_lsx_context() fal= ls through to next function fault() arch/loongarch/kernel/fpu.o: warning: objtool: _save_lasx_context() falls= through to next function fault() arch/loongarch/kernel/fpu.o: warning: objtool: _restore_lasx_context() fa= lls through to next function fault() Obviously, the symbol fault is not a function, it is just a local label, so use SYM_CODE_START_LOCAL and SYM_CODE_END to define the symbol fault. Before: $ readelf -s arch/loongarch/kernel/fpu.o | awk -F: /fault/'{print $2}' 000000000000053c 8 FUNC GLOBAL DEFAULT 1 fault After: $ readelf -s arch/loongarch/kernel/fpu.o | awk -F: /fault/'{print $2}' 000000000000053c 8 NOTYPE LOCAL DEFAULT 1 fault Signed-off-by: Tiezhu Yang --- arch/loongarch/kernel/fpu.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/loongarch/kernel/fpu.S b/arch/loongarch/kernel/fpu.S index b4032de..7defe50 100644 --- a/arch/loongarch/kernel/fpu.S +++ b/arch/loongarch/kernel/fpu.S @@ -521,7 +521,7 @@ SYM_FUNC_START(_restore_lasx_context) jr ra SYM_FUNC_END(_restore_lasx_context) =20 -SYM_FUNC_START(fault) +SYM_CODE_START_LOCAL(fault) li.w a0, -EFAULT # failure jr ra -SYM_FUNC_END(fault) +SYM_CODE_END(fault) --=20 2.1.0