Hi Sourabh, kernel test robot noticed the following build warnings:
[auto build test WARNING on powerpc/next] [also build test WARNING on powerpc/fixes linus/master v6.18-rc2 next-20251022] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Sourabh-Jain/powerpc-kdump-Add-support-for-crashkernel-CMA-reservation/20251022-182711 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next patch link: https://lore.kernel.org/r/20251022102531.657147-1-sourabhjain%40linux.ibm.com patch subject: [PATCH] powerpc/kdump: Add support for crashkernel CMA reservation config: powerpc-randconfig-002-20251023 (https://download.01.org/0day-ci/archive/20251023/[email protected]/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 754ebc6ebb9fb9fbee7aef33478c74ea74949853) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251023/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): >> arch/powerpc/kexec/core.c:37:27: warning: unused variable 'cma_size' >> [-Wunused-variable] 37 | static unsigned long long cma_size; | ^~~~~~~~ 1 warning generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for HOTPLUG_CPU Depends on [n]: SMP [=y] && (PPC_PSERIES [=n] || PPC_PMAC [=n] || PPC_POWERNV [=n] || FSL_SOC_BOOKE [=n]) Selected by [y]: - PM_SLEEP_SMP [=y] && SMP [=y] && (ARCH_SUSPEND_POSSIBLE [=y] || ARCH_HIBERNATION_POSSIBLE [=y]) && PM_SLEEP [=y] vim +/cma_size +37 arch/powerpc/kexec/core.c 35 36 > 37 static unsigned long long cma_size; 38 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
