From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 717B1366 for ; Tue, 22 Feb 2022 02:36:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1645497411; x=1677033411; h=date:from:to:cc:subject:message-id:mime-version; bh=wt9g+xbv4kUGyhlw3xF9+hVAg2BHrkbKccwzplPszNY=; b=FUPtGi+1IB/Y60p4w3syBGyFprWiLHG0lDKKAQ9ZAmKPdE34hrCsxaVI fr7egrBpuBHtx8VOQyU3w41xuj2AUpT0iB+OC7Ov936NVKU+MDXiaLnli urNPfe/BbjGh1PZkQht5TMAsY3/oshFa5lJJlPXA3Ig2aiPR9LDQz1U1h mwid9dQiHDfu3VQKQ/7wWzioqiNertN3u1FlMVaA1u0+aQrXggKrQ6vrV ZihrIvKuraS+x9Uu17jT1K/sLdzV9cC0bhCxKwk2fA9hFKJyRufHLo+6f xKy7LG96uTcjF1S63zVODbuSvRM5KuZVnBoQcgRVFg2cbel81Grzmr18B Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10265"; a="251549606" X-IronPort-AV: E=Sophos;i="5.88,387,1635231600"; d="scan'208";a="251549606" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Feb 2022 18:36:50 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,387,1635231600"; d="scan'208";a="636840772" Received: from lkp-server01.sh.intel.com (HELO da3212ac2f54) ([10.239.97.150]) by fmsmga002.fm.intel.com with ESMTP; 21 Feb 2022 18:36:49 -0800 Received: from kbuild by da3212ac2f54 with local (Exim 4.92) (envelope-from ) id 1nML2m-0002Eo-Et; Tue, 22 Feb 2022 02:36:48 +0000 Date: Tue, 22 Feb 2022 10:35:45 +0800 From: kernel test robot To: Ard Biesheuvel Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [ardb:arm64-ro-page-tables-pkvm-v5.17 15/28] arch/x86/include/asm/pgtable.h:928:41: error: implicit declaration of function 'p4d_index' Message-ID: <202202221016.jWajJfJO-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) tree: git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git arm64-ro-page-tables-pkvm-v5.17 head: 5ca7e5f74d85e6d2ddeabaa1b85b64ae50864676 commit: 1f20265f4c3946344b0e7c88cc5ecd758726c752 [15/28] mm: make x86's definition of p4d_index() the default config: x86_64-randconfig-a011-20220221 (https://download.01.org/0day-ci/archive/20220222/202202221016.jWajJfJO-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/commit/?id=1f20265f4c3946344b0e7c88cc5ecd758726c752 git remote add ardb git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git git fetch --no-tags ardb arm64-ro-page-tables-pkvm-v5.17 git checkout 1f20265f4c3946344b0e7c88cc5ecd758726c752 # 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=x86_64 prepare If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from arch/x86/kernel/asm-offsets.c:9: In file included from include/linux/crypto.h:20: In file included from include/linux/slab.h:136: In file included from include/linux/kasan.h:30: In file included from include/linux/pgtable.h:6: >> arch/x86/include/asm/pgtable.h:928:41: error: implicit declaration of function 'p4d_index' [-Werror,-Wimplicit-function-declaration] return (p4d_t *)pgd_page_vaddr(*pgd) + p4d_index(address); ^ In file included from arch/x86/kernel/asm-offsets.c:9: In file included from include/linux/crypto.h:20: In file included from include/linux/slab.h:136: In file included from include/linux/kasan.h:30: >> include/linux/pgtable.h:84:29: error: static declaration of 'p4d_index' follows non-static declaration static inline unsigned long p4d_index(unsigned long address) ^ arch/x86/include/asm/pgtable.h:928:41: note: previous implicit declaration is here return (p4d_t *)pgd_page_vaddr(*pgd) + p4d_index(address); ^ 2 errors generated. make[2]: *** [scripts/Makefile.build:121: arch/x86/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1191: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:219: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +/p4d_index +928 arch/x86/include/asm/pgtable.h 7cfb81024bc1db Jeremy Fitzhardinge 2009-02-05 922 7cfb81024bc1db Jeremy Fitzhardinge 2009-02-05 923 /* to find an entry in a page-table-directory. */ b8c1e4293a5d1d Kirill A. Shutemov 2018-06-26 924 static inline p4d_t *p4d_offset(pgd_t *pgd, unsigned long address) 3d081b1812bd4d Jeremy Fitzhardinge 2009-02-05 925 { ed7588d5dc6f5e Kirill A. Shutemov 2018-05-18 926 if (!pgtable_l5_enabled()) 98219dda2ab56c Kirill A. Shutemov 2018-02-14 927 return (p4d_t *)pgd; f2a6a7050109e0 Kirill A. Shutemov 2017-03-17 @928 return (p4d_t *)pgd_page_vaddr(*pgd) + p4d_index(address); 3d081b1812bd4d Jeremy Fitzhardinge 2009-02-05 929 } 30f103167fcf2b Jeremy Fitzhardinge 2009-02-05 930 :::::: The code at line 928 was first introduced by commit :::::: f2a6a7050109e0a5c7a84c70aa6010f682b2f1ee x86: Convert the rest of the code to support p4d_t :::::: TO: Kirill A. Shutemov :::::: CC: Ingo Molnar --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org