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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8BF1C433EF for ; Tue, 25 Jan 2022 21:30:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233145AbiAYVa2 (ORCPT ); Tue, 25 Jan 2022 16:30:28 -0500 Received: from mga18.intel.com ([134.134.136.126]:37737 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233099AbiAYVa1 (ORCPT ); Tue, 25 Jan 2022 16:30:27 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643146227; x=1674682227; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=XowxNXgoa7qTiYGMsiGyGW3OfOAW78GHgwKP30yaINQ=; b=KqaHwA1wRe/jZEePdWYbQBzM0U4pW7/HUR/U1M+ThcBF/hXc/vggiY3F gIbsHPfPRFcTSnA5nER/5VBCGurNycPgeu+uTZvXel/+sI9YwYhczsDPW X3FtcpSH95nZNOL4Kp8wyf5DvtRCAb3ta5d1h6J7qo5Gjkz6nCe3QQmNx 3UIWRr1xWxzmE6jDgU98GevYIgTJWygOWmGdzg8q1ltbfjXN1Hg4+wmN0 DxvkV79fIzSW0362kOWYjpkjGkt5MtrdDsRxLhrvM0KxO7XLX7g+bz7VB 3WqGURCPsNP0JrQ1PS+rZD2ovGVJlrK8U0s963HW/LsqQ1kOjpy4aC1Kw g==; X-IronPort-AV: E=McAfee;i="6200,9189,10238"; a="229995213" X-IronPort-AV: E=Sophos;i="5.88,315,1635231600"; d="scan'208";a="229995213" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2022 13:30:26 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,315,1635231600"; d="scan'208";a="617760902" Received: from lkp-server01.sh.intel.com (HELO 276f1b88eecb) ([10.239.97.150]) by FMSMGA003.fm.intel.com with ESMTP; 25 Jan 2022 13:30:22 -0800 Received: from kbuild by 276f1b88eecb with local (Exim 4.92) (envelope-from ) id 1nCTOP-000KS4-P7; Tue, 25 Jan 2022 21:30:21 +0000 Date: Wed, 26 Jan 2022 05:30:17 +0800 From: kernel test robot To: Jisheng Zhang , Paul Walmsley , Palmer Dabbelt , Albert Ou , Andrey Ryabinin , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Alexandre Ghiti Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/3] riscv: convert pgtable_l4_enabled to static key Message-ID: <202201260555.SwYGWcoq-lkp@intel.com> References: <20220125165036.987-4-jszhang@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220125165036.987-4-jszhang@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Jisheng, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.17-rc1 next-20220125] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Jisheng-Zhang/unified-way-to-use-static-key-and-optimize-pgtable_l4_enabled/20220126-010230 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git a08b41ab9e2e468647f78eb17c28e29b93006394 config: riscv-randconfig-r012-20220124 (https://download.01.org/0day-ci/archive/20220126/202201260555.SwYGWcoq-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 997e128e2a78f5a5434fc75997441ae1ee76f8a4) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/0day-ci/linux/commit/6822380e5bcac6d3edfa5d0723d829db8ec28405 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jisheng-Zhang/unified-way-to-use-static-key-and-optimize-pgtable_l4_enabled/20220126-010230 git checkout 6822380e5bcac6d3edfa5d0723d829db8ec28405 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/mm/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> arch/riscv/mm/init.c:691:6: error: implicit declaration of function 'system_supports_sv48' [-Werror,-Wimplicit-function-declaration] if (system_supports_sv48()) { ^ arch/riscv/mm/init.c:721:13: warning: no previous prototype for function 'pt_ops_set_early' [-Wmissing-prototypes] void __init pt_ops_set_early(void) ^ arch/riscv/mm/init.c:721:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __init pt_ops_set_early(void) ^ static arch/riscv/mm/init.c:741:13: warning: no previous prototype for function 'pt_ops_set_fixmap' [-Wmissing-prototypes] void __init pt_ops_set_fixmap(void) ^ arch/riscv/mm/init.c:741:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __init pt_ops_set_fixmap(void) ^ static arch/riscv/mm/init.c:757:13: warning: no previous prototype for function 'pt_ops_set_late' [-Wmissing-prototypes] void __init pt_ops_set_late(void) ^ arch/riscv/mm/init.c:757:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __init pt_ops_set_late(void) ^ static 3 warnings and 1 error generated. vim +/system_supports_sv48 +691 arch/riscv/mm/init.c 675 676 /* 677 * Setup a 4MB mapping that encompasses the device tree: for 64-bit kernel, 678 * this means 2 PMD entries whereas for 32-bit kernel, this is only 1 PGDIR 679 * entry. 680 */ 681 static void __init create_fdt_early_page_table(pgd_t *pgdir, uintptr_t dtb_pa) 682 { 683 #ifndef CONFIG_BUILTIN_DTB 684 uintptr_t pa = dtb_pa & ~(PMD_SIZE - 1); 685 686 create_pgd_mapping(early_pg_dir, DTB_EARLY_BASE_VA, 687 IS_ENABLED(CONFIG_64BIT) ? early_dtb_pgd_next : pa, 688 PGDIR_SIZE, 689 IS_ENABLED(CONFIG_64BIT) ? PAGE_TABLE : PAGE_KERNEL); 690 > 691 if (system_supports_sv48()) { 692 create_pud_mapping(early_dtb_pud, DTB_EARLY_BASE_VA, 693 (uintptr_t)early_dtb_pmd, PUD_SIZE, PAGE_TABLE); 694 } 695 696 if (IS_ENABLED(CONFIG_64BIT)) { 697 create_pmd_mapping(early_dtb_pmd, DTB_EARLY_BASE_VA, 698 pa, PMD_SIZE, PAGE_KERNEL); 699 create_pmd_mapping(early_dtb_pmd, DTB_EARLY_BASE_VA + PMD_SIZE, 700 pa + PMD_SIZE, PMD_SIZE, PAGE_KERNEL); 701 } 702 703 dtb_early_va = (void *)DTB_EARLY_BASE_VA + (dtb_pa & (PMD_SIZE - 1)); 704 #else 705 /* 706 * For 64-bit kernel, __va can't be used since it would return a linear 707 * mapping address whereas dtb_early_va will be used before 708 * setup_vm_final installs the linear mapping. For 32-bit kernel, as the 709 * kernel is mapped in the linear mapping, that makes no difference. 710 */ 711 dtb_early_va = kernel_mapping_pa_to_va(XIP_FIXUP(dtb_pa)); 712 #endif 713 714 dtb_early_pa = dtb_pa; 715 } 716 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org