tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a069154a5b505dae14e18b3d12771757eef2e07f commit: a26ee3d2d87a76c319663c2c3f05f02cbd06738b [2947/2947] arm64/mpam: Update MB hardlimit and priority default value forcely config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20250927/202509270718.sknQhwd3-lkp@i...) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250927/202509270718.sknQhwd3-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/202509270718.sknQhwd3-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

drivers/platform/mpam/mpam_devices.c:1276:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] 1276 | default: | ^ drivers/platform/mpam/mpam_devices.c:1276:2: note: insert 'break;' to avoid fall-through 1276 | default: | ^ | break; 1 warning generated.

vim +1276 drivers/platform/mpam/mpam_devices.c 1260 1261 static u16 mpam_intpri_default_val(struct mpam_msc_ris *ris) 1262 { 1263 struct mpam_class *class = ris->comp->class; 1264 1265 switch (class->type) { 1266 case MPAM_CLASS_MEMORY: 1267 return resctrl_arch_get_resource(RDT_RESOURCE_MB_PRI)->default_ctrl; 1268 1269 case MPAM_CLASS_CACHE: 1270 if (class->level == 3) 1271 return resctrl_arch_get_resource(RDT_RESOURCE_L3_PRI)->default_ctrl; 1272 1273 if (class->level == 2) 1274 return resctrl_arch_get_resource(RDT_RESOURCE_L2_PRI)->default_ctrl; 1275

1276 default: 1277 break; 1278 } 1279 1280 if (mpam_has_feature(mpam_feat_intpri_part_0_low, &ris->props)) 1281 return GENMASK(ris->props.intpri_wd - 1, 0); 1282 1283 return 0; 1284 } 1285

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