From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) (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 8E4DE629 for ; Sun, 17 Apr 2022 11:16:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650194209; x=1681730209; h=date:from:to:cc:subject:message-id:mime-version; bh=tbxRaF6TooTTrgnSoAXq3OhSSQCy0h1Iob2Bj/Zg5iQ=; b=NZxVoG5HjjGvZepUJBeguZWypJjMqQhJq7Mxaw3Wm9qzUBKuKYw6gi3q 5PMCgxAgBEhAxgwaj8BZO+FGf6HFtg0RVmaQnrCIrn4py1K3dkv2BqisR LDjstuVKaTZz/tt5m7dbeIz3xWqLF7uPsjCRfYy1kbKaUUrlgPNylHsOA WZcARj34E85Sr/QnKlh5d+SpJUxG3i88lTjLCsPk8EwzDFTzERGPAqIm6 ag8Db2lzxUqtmmZJVHHhnxE6O6KUBSYhFziw1ImVkYAD5Id6mTe7YF1Ox wc/Hp6H5ssdrxd7YJ0o1jxZTm60UYfqx1vKRcnYfYCnJ5ythe9C7XNJA5 w==; X-IronPort-AV: E=McAfee;i="6400,9594,10318"; a="262839923" X-IronPort-AV: E=Sophos;i="5.90,267,1643702400"; d="scan'208";a="262839923" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Apr 2022 04:16:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,267,1643702400"; d="scan'208";a="592108960" Received: from lkp-server01.sh.intel.com (HELO 3abc53900bec) ([10.239.97.150]) by orsmga001.jf.intel.com with ESMTP; 17 Apr 2022 04:16:47 -0700 Received: from kbuild by 3abc53900bec with local (Exim 4.95) (envelope-from ) id 1ng2ta-0003tv-J3; Sun, 17 Apr 2022 11:16:46 +0000 Date: Sun, 17 Apr 2022 19:16:41 +0800 From: kernel test robot To: Konstantin Komarov Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: fs/ntfs3/attrib.c:70:20: warning: unused function 'attr_must_be_resident' Message-ID: <202204171936.qeF0hGZg-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) Hi Konstantin, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: a2c29ccd9477861b16ddc02c411a6c9665250558 commit: 6e5be40d32fb1907285277c02e74493ed43d77fe fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile date: 8 months ago config: mips-randconfig-r013-20220417 (https://download.01.org/0day-ci/archive/20220417/202204171936.qeF0hGZg-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c6fdb1de47bd5f26868838c37fa9e8cc1ac484bf) 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 mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6e5be40d32fb1907285277c02e74493ed43d77fe git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 6e5be40d32fb1907285277c02e74493ed43d77fe # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash fs/ntfs3/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> fs/ntfs3/attrib.c:70:20: warning: unused function 'attr_must_be_resident' static inline bool attr_must_be_resident(struct ntfs_sb_info ^ fatal error: error in backend: Nested variants found in inline asm string: ' .set push .set mips64r2 .if ( 0x00 ) != -1)) 0x00 ) != -1)) : ($( static struct ftrace_branch_data __attribute__((__aligned__(4))) __attribute__((__section__("_ftrace_branch"))) __if_trace = $( .func = __func__, .file = "arch/mips/include/asm/bitops.h", .line = 105, $); 0x00 ) != -1)) : $))) ) && ( 0 ); .set push; .set mips64r2; .rept 1; sync 0x00; .endr; .set pop; .else; ; .endif 1: ll $0, $1 or $0, $2 sc $0, $1 beqz $0, 1b .set pop ' clang-15: error: clang frontend command failed with exit code 70 (use -v to see invocation) clang version 15.0.0 (git://gitmirror/llvm_project ef94609d6ebe981767788e6877b0b3b731d425af) Target: mips-unknown-linux Thread model: posix InstalledDir: /opt/cross/clang-ef94609d6e/bin clang-15: note: diagnostic msg: Makefile arch fs include kernel scripts source usr -- >> fs/ntfs3/bitmap.c:59:19: warning: unused function 'wnd_bits' static inline u32 wnd_bits(const struct wnd_bitmap size_t i) ^ fatal error: error in backend: Nested variants found in inline asm string: ' .set push .set mips64r2 .if ( 0x00 ) != -1)) 0x00 ) != -1)) : ($( static struct ftrace_branch_data __attribute__((__aligned__(4))) __attribute__((__section__("_ftrace_branch"))) __if_trace = $( .func = __func__, .file = "arch/mips/include/asm/atomic.h", .line = 157, $); 0x00 ) != -1)) : $))) ) && ( 0 ); .set push; .set mips64r2; .rept 1; sync 0x00; .endr; .set pop; .else; ; .endif 1: ll $0, $1 # atomic_sub subu $0, $2 sc $0, $1 beqz $0, 1b .set pop ' clang-15: error: clang frontend command failed with exit code 70 (use -v to see invocation) clang version 15.0.0 (git://gitmirror/llvm_project ef94609d6ebe981767788e6877b0b3b731d425af) Target: mips-unknown-linux Thread model: posix InstalledDir: /opt/cross/clang-ef94609d6e/bin clang-15: note: diagnostic msg: Makefile arch fs include kernel scripts source usr vim +/attr_must_be_resident +70 fs/ntfs3/attrib.c be71b5cba2e648 Konstantin Komarov 2021-08-13 64 be71b5cba2e648 Konstantin Komarov 2021-08-13 65 /* be71b5cba2e648 Konstantin Komarov 2021-08-13 66 * attr_must_be_resident be71b5cba2e648 Konstantin Komarov 2021-08-13 67 * be71b5cba2e648 Konstantin Komarov 2021-08-13 68 * returns true if attribute must be resident be71b5cba2e648 Konstantin Komarov 2021-08-13 69 */ be71b5cba2e648 Konstantin Komarov 2021-08-13 @70 static inline bool attr_must_be_resident(struct ntfs_sb_info *sbi, be71b5cba2e648 Konstantin Komarov 2021-08-13 71 enum ATTR_TYPE type) be71b5cba2e648 Konstantin Komarov 2021-08-13 72 { be71b5cba2e648 Konstantin Komarov 2021-08-13 73 const struct ATTR_DEF_ENTRY *de; be71b5cba2e648 Konstantin Komarov 2021-08-13 74 be71b5cba2e648 Konstantin Komarov 2021-08-13 75 switch (type) { be71b5cba2e648 Konstantin Komarov 2021-08-13 76 case ATTR_STD: be71b5cba2e648 Konstantin Komarov 2021-08-13 77 case ATTR_NAME: be71b5cba2e648 Konstantin Komarov 2021-08-13 78 case ATTR_ID: be71b5cba2e648 Konstantin Komarov 2021-08-13 79 case ATTR_LABEL: be71b5cba2e648 Konstantin Komarov 2021-08-13 80 case ATTR_VOL_INFO: be71b5cba2e648 Konstantin Komarov 2021-08-13 81 case ATTR_ROOT: be71b5cba2e648 Konstantin Komarov 2021-08-13 82 case ATTR_EA_INFO: be71b5cba2e648 Konstantin Komarov 2021-08-13 83 return true; be71b5cba2e648 Konstantin Komarov 2021-08-13 84 default: be71b5cba2e648 Konstantin Komarov 2021-08-13 85 de = ntfs_query_def(sbi, type); be71b5cba2e648 Konstantin Komarov 2021-08-13 86 if (de && (de->flags & NTFS_ATTR_MUST_BE_RESIDENT)) be71b5cba2e648 Konstantin Komarov 2021-08-13 87 return true; be71b5cba2e648 Konstantin Komarov 2021-08-13 88 return false; be71b5cba2e648 Konstantin Komarov 2021-08-13 89 } be71b5cba2e648 Konstantin Komarov 2021-08-13 90 } be71b5cba2e648 Konstantin Komarov 2021-08-13 91 :::::: The code at line 70 was first introduced by commit :::::: be71b5cba2e6485e8959da7a9f9a44461a1bb074 fs/ntfs3: Add attrib operations :::::: TO: Konstantin Komarov :::::: CC: Konstantin Komarov -- 0-DAY CI Kernel Test Service https://01.org/lkp