Hi James, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git mpam/snapshot/v6.12-rc1 head: 4d17b37b670795954fd7a70c8ec83fb705a5e2ad commit: 314b33cc62a7bde4630377feb15d2fb6cac0b4f2 [118/132] arm64: mpam: Select ARCH_HAS_CPU_RESCTRL config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20241008/202410081205.fWnQWzOX-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project fef3566a25ff0e34fb87339ba5e13eca17cec00f) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241008/202410081205.fWnQWzOX-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202410081205.fWnQWzOX-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/platform/arm64/mpam/mpam_resctrl.c:33: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * The classes we've picked to map to resctrl events. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for MODVERSIONS Depends on [n]: MODULES [=y] && !COMPILE_TEST [=y] Selected by [y]: - RANDSTRUCT_FULL [=y] && (CC_HAS_RANDSTRUCT [=y] || GCC_PLUGINS [=n]) && MODULES [=y] vim +33 drivers/platform/arm64/mpam/mpam_resctrl.c 80cb7de1ff47de James Morse 2019-06-11 31 2fbb5c77e41e1d James Morse 2024-05-16 32 /** 2fbb5c77e41e1d James Morse 2024-05-16 @33 * The classes we've picked to map to resctrl events. 2fbb5c77e41e1d James Morse 2024-05-16 34 * Resctrl believes all the worlds a Xeon, and these are all on the L3. This 2fbb5c77e41e1d James Morse 2024-05-16 35 * array lets us find the actual class backing the event counters. e.g. 2fbb5c77e41e1d James Morse 2024-05-16 36 * the only memory bandwith counters may be on the memory controller, but to 2fbb5c77e41e1d James Morse 2024-05-16 37 * make use of them, we pretend they are on L3. 2fbb5c77e41e1d James Morse 2024-05-16 38 * Class pointer may be NULL. 2fbb5c77e41e1d James Morse 2024-05-16 39 */ 2fbb5c77e41e1d James Morse 2024-05-16 40 static struct mpam_class *mpam_resctrl_counters[QOS_NUM_EVENTS]; 2fbb5c77e41e1d James Morse 2024-05-16 41 :::::: The code at line 33 was first introduced by commit :::::: 2fbb5c77e41e1d69f15a17b6a4b6ae7e5e492d4f untested: arm_mpam: resctrl: Add support for csu counters :::::: TO: James Morse <james.morse@xxxxxxx> :::::: CC: James Morse <james.morse@xxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
