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 X-Spam-Level: X-Spam-Status: No, score=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4A9A1C18E5C for ; Tue, 10 Mar 2020 08:37:29 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 00C152253D for ; Tue, 10 Mar 2020 08:37:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 00C152253D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org 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X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Mar 2020 01:37:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,535,1574150400"; d="gz'50?scan'50,208,50";a="242250006" Received: from lkp-server01.sh.intel.com (HELO lkp-server01) ([10.239.97.150]) by orsmga003.jf.intel.com with ESMTP; 10 Mar 2020 01:37:23 -0700 Received: from kbuild by lkp-server01 with local (Exim 4.89) (envelope-from ) id 1jBaOB-000Dxd-0i; Tue, 10 Mar 2020 16:37:23 +0800 Date: Tue, 10 Mar 2020 16:37:16 +0800 From: kbuild test robot To: Andrew Morton Cc: kbuild-all@lists.01.org, Linux Memory Management List Subject: [linux-next:master 5770/7050] arch/riscv/kernel/stacktrace.c:78:8: error: 'sp_in_global' undeclared Message-ID: <202003101611.yqgScCuh%lkp@intel.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="0OAP2g/MAC+5xKAE" Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: --0OAP2g/MAC+5xKAE Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: b86a6a241b7c60ca7a6ca4fb3c0d2aedbbf2c1b6 commit: 52e7c52d2ded5908e6a4f8a7248e5fa6e0d6809a [5770/7050] RISC-V: Stop relying on GCC's register allocator's hueristics config: riscv-allnoconfig (attached as .config) compiler: riscv64-linux-gcc (GCC) 9.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 52e7c52d2ded5908e6a4f8a7248e5fa6e0d6809a # save the attached .config to linux build tree GCC_VERSION=9.2.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): arch/riscv/kernel/stacktrace.c: In function 'walk_stackframe': >> arch/riscv/kernel/stacktrace.c:78:8: error: 'sp_in_global' undeclared (first use in this function) 78 | sp = sp_in_global; | ^~~~~~~~~~~~ arch/riscv/kernel/stacktrace.c:78:8: note: each undeclared identifier is reported only once for each function it appears in vim +/sp_in_global +78 arch/riscv/kernel/stacktrace.c 67 68 static void notrace walk_stackframe(struct task_struct *task, 69 struct pt_regs *regs, bool (*fn)(unsigned long, void *), void *arg) 70 { 71 unsigned long sp, pc; 72 unsigned long *ksp; 73 74 if (regs) { 75 sp = user_stack_pointer(regs); 76 pc = instruction_pointer(regs); 77 } else if (task == NULL || task == current) { > 78 sp = sp_in_global; 79 pc = (unsigned long)walk_stackframe; 80 } else { 81 /* task blocked in __switch_to */ 82 sp = task->thread.sp; 83 pc = task->thread.ra; 84 } 85 86 if (unlikely(sp & 0x7)) 87 return; 88 89 ksp = (unsigned long *)sp; 90 while (!kstack_end(ksp)) { 91 if (__kernel_text_address(pc) && unlikely(fn(pc, arg))) 92 break; 93 pc = (*ksp++) - 0x4; 94 } 95 } 96 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org --0OAP2g/MAC+5xKAE Content-Type: application/gzip Content-Disposition: attachment; filename=".config.gz" Content-Transfer-Encoding: base64 H4sICMZPZ14AAy5jb25maWcAnVxvc9s4j3+/n0LTnbnpztN20yTt095NXtASZXMtiaoo2Unf aFxbST1N7Jz/7Lb36Q8gJYuSQLd3O7vdlAApEgSBH0Awv//2u8eOh+3T4rBeLh4ff3gP1aba LQ7VyrtfP1b/5QXSS2Tu8UDkb4A5Wm+O3//crffLv713b96/uXi9W15702q3qR49f7u5Xz8c oft6u/nt99/g39+h8ekZRtr9p6d7vb9+/YhjvH5YLr2XY9//w/v45vLNBfD6MgnFuPT9UqgS KDc/mib4SznjmRIyufl4cXlxceKNWDI+kS6sISZMlUzF5Vjmsh3IIogkEgkfkOYsS8qY3Y14 WSQiEblgkfjMg5Yxn2ScBdA/lPBHmTM1BaJe61gL79HbV4fjc7uiUSanPCllUqo4bQfC0Uue zEqWjctIxCK/ubpEidUTknEqIl7mXOXeeu9ttgccuOkdSZ9FzcpfvGj72YSSFbkkOo8KEQWl YlGOXevGgIesiPJyIlWesJjfvHi52W6qP6yx1Z2aidS3RzzRCsUjMSI+NmEzDmv0JzAbUCMY 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