From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.93]) (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 7D12B3CCE7; Wed, 20 Sep 2023 19:40:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1695238811; x=1726774811; h=date:from:to:cc:subject:message-id:mime-version; bh=CGrbJVE947kLcNQvJHXv006YPxanfka9C/SJUX7Mv1E=; b=ep1Jidtd9rDzRkEHf+MLpKJW0hnrWG6HIXATKFN0KUjd2ByEKNJE3t1P 0eSYL7L2Ys1DKsPTJSkIU5+kLvkiCvthEIv9yvQQaLto6u/p/IkR32fUT b7vp1mxsS0D4AFeQshTeMMtIDecsAS/bB7QpGXhXHgIpVyuLwNz0JxMvF PmIZWL4imrctvv0F7xeAO0KC1Y8eJ3VFfN0Wy8Py3pY5WTjFfONJqFnkQ nnuoXh8wUudCi+uNrhUo+LcXNcdEMfKTKWzdAHAnvoce3TmI6QBugxrIy 8O7LHbVR7+wHs4BdFqoWho5WDUBJ+jjxkmYbkx5JafBl/ef5QyjlJtfLA Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10839"; a="377621381" X-IronPort-AV: E=Sophos;i="6.03,162,1694761200"; d="scan'208";a="377621381" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Sep 2023 12:40:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10839"; a="812291475" X-IronPort-AV: E=Sophos;i="6.03,162,1694761200"; d="scan'208";a="812291475" Received: from lkp-server02.sh.intel.com (HELO 9ef86b2655e5) ([10.239.97.151]) by fmsmga008.fm.intel.com with ESMTP; 20 Sep 2023 12:40:06 -0700 Received: from kbuild by 9ef86b2655e5 with local (Exim 4.96) (envelope-from ) id 1qj33M-00094S-0w; Wed, 20 Sep 2023 19:40:04 +0000 Date: Thu, 21 Sep 2023 03:39:54 +0800 From: kernel test robot To: Christophe Leroy Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Michael Ellerman , Arnd Bergmann Subject: arch/powerpc/kernel/traps.c:1167:19: error: unused function '__parse_fpscr' Message-ID: <202309210327.WkqSd5Bq-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 tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: a229cf67ab851a6e92395f37ed141d065176575a commit: ca13c130a43fe3ab625d22ada0a61e5c0b612229 powerpc/4xx: Remove WatchdogHandler() to fix no previous prototype error date: 5 weeks ago config: powerpc-kilauea_defconfig (https://download.01.org/0day-ci/archive/20230921/202309210327.WkqSd5Bq-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230921/202309210327.WkqSd5Bq-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202309210327.WkqSd5Bq-lkp@intel.com/ All errors (new ones prefixed by >>): >> arch/powerpc/kernel/traps.c:1167:19: error: unused function '__parse_fpscr' [-Werror,-Wunused-function] 1167 | static inline int __parse_fpscr(unsigned long fpscr) | ^ 1 error generated. vim +/__parse_fpscr +1167 arch/powerpc/kernel/traps.c 14cf11af6cf608 Paul Mackerras 2005-09-26 1166 5fad293bcbd48d Kumar Gala 2007-02-07 @1167 static inline int __parse_fpscr(unsigned long fpscr) dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1168 { aeb1c0f6ff18f5 Eric W. Biederman 2018-04-17 1169 int ret = FPE_FLTUNK; dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1170 dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1171 /* Invalid operation */ dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1172 if ((fpscr & FPSCR_VE) && (fpscr & FPSCR_VX)) 5fad293bcbd48d Kumar Gala 2007-02-07 1173 ret = FPE_FLTINV; dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1174 dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1175 /* Overflow */ dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1176 else if ((fpscr & FPSCR_OE) && (fpscr & FPSCR_OX)) 5fad293bcbd48d Kumar Gala 2007-02-07 1177 ret = FPE_FLTOVF; dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1178 dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1179 /* Underflow */ dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1180 else if ((fpscr & FPSCR_UE) && (fpscr & FPSCR_UX)) 5fad293bcbd48d Kumar Gala 2007-02-07 1181 ret = FPE_FLTUND; dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1182 dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1183 /* Divide by zero */ dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1184 else if ((fpscr & FPSCR_ZE) && (fpscr & FPSCR_ZX)) 5fad293bcbd48d Kumar Gala 2007-02-07 1185 ret = FPE_FLTDIV; dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1186 dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1187 /* Inexact result */ dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1188 else if ((fpscr & FPSCR_XE) && (fpscr & FPSCR_XX)) 5fad293bcbd48d Kumar Gala 2007-02-07 1189 ret = FPE_FLTRES; 5fad293bcbd48d Kumar Gala 2007-02-07 1190 5fad293bcbd48d Kumar Gala 2007-02-07 1191 return ret; 5fad293bcbd48d Kumar Gala 2007-02-07 1192 } 5fad293bcbd48d Kumar Gala 2007-02-07 1193 :::::: The code at line 1167 was first introduced by commit :::::: 5fad293bcbd48d9a2370020cf60e4b4a42559b12 [POWERPC] Fixup error handling when emulating a floating point instruction :::::: TO: Kumar Gala :::::: CC: Kumar Gala -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki