tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 63325b01e46c2933270cf6bdc0c0e859b664d6fe commit: 540e1ae2f7aca5a427a52f12bef657b1e3e81fc1 [2999/2999] x86/resctrl: Add interface to read mbm_total_bytes_config config: x86_64-buildonly-randconfig-2003-20250702 (https://download.01.org/0day-ci/archive/20250703/202507030942.l6gjiDwl-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250703/202507030942.l6gjiDwl-lkp@i...) 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 <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202507030942.l6gjiDwl-lkp@intel.com/ All warnings (new ones prefixed by >>): arch/x86/kernel/cpu/resctrl/rdtgroup.c: In function 'rdt_last_cmd_printf': arch/x86/kernel/cpu/resctrl/rdtgroup.c:74:9: warning: function 'rdt_last_cmd_printf' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 74 | seq_buf_vprintf(&last_cmd_status, fmt, ap); | ^~~~~~~~~~~~~~~ arch/x86/kernel/cpu/resctrl/rdtgroup.c: In function 'mon_event_config_read':

...

arch/x86/kernel/cpu/resctrl/rdtgroup.c:1504:13: warning: variable 'h' set but not used [-Wunused-but-set-variable] 1504 | u32 h; | ^

vim +/h +1504 arch/x86/kernel/cpu/resctrl/rdtgroup.c 1499 1500 static void mon_event_config_read(void *info) 1501 { 1502 struct mon_config_info *mon_info = info; 1503 unsigned int index;

1504 u32 h; 1505 1506 index = mon_event_config_index_get(mon_info->evtid); 1507 if (index == INVALID_CONFIG_INDEX) { 1508 pr_warn_once("Invalid event id %d\n", mon_info->evtid); 1509 return; 1510 } 1511 rdmsr(MSR_IA32_EVT_CFG_BASE + index, mon_info->mon_config, h); 1512 1513 /* Report only the valid event configuration bits */ 1514 mon_info->mon_config &= MAX_EVT_CONFIG_BITS; 1515 } 1516

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