Messages in this thread | | | Date | Tue, 24 Jan 2023 20:37:14 +0800 | From | kernel test robot <> | Subject | [tip:x86/cache 9/13] arch/x86/kernel/cpu/resctrl/rdtgroup.c:1456:6: warning: variable 'h' set but not used |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/cache head: 0a363fb23ee2f7beb08437ad7db86d195878d79f commit: dc2a3e857981f859889933cf66ded117d74edff1 [9/13] x86/resctrl: Add interface to read mbm_total_bytes_config config: x86_64-randconfig-a013-20230123 (https://download.01.org/0day-ci/archive/20230124/202301242015.kbzkVteJ-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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/tip/tip.git/commit/?id=dc2a3e857981f859889933cf66ded117d74edff1 git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git git fetch --no-tags tip x86/cache git checkout dc2a3e857981f859889933cf66ded117d74edff1 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/kernel/cpu/resctrl/
If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> arch/x86/kernel/cpu/resctrl/rdtgroup.c:1456:6: warning: variable 'h' set but not used [-Wunused-but-set-variable] u32 h; ^ 1 warning generated.
vim +/h +1456 arch/x86/kernel/cpu/resctrl/rdtgroup.c
1451 1452 static void mon_event_config_read(void *info) 1453 { 1454 struct mon_config_info *mon_info = info; 1455 unsigned int index; > 1456 u32 h; 1457 1458 index = mon_event_config_index_get(mon_info->evtid); 1459 if (index == INVALID_CONFIG_INDEX) { 1460 pr_warn_once("Invalid event id %d\n", mon_info->evtid); 1461 return; 1462 } 1463 rdmsr(MSR_IA32_EVT_CFG_BASE + index, mon_info->mon_config, h); 1464 1465 /* Report only the valid event configuration bits */ 1466 mon_info->mon_config &= MAX_EVT_CONFIG_BITS; 1467 } 1468
-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
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