Re: [PATCH v5 09/24] perf: arm_pmuv3: Keep out of guest counter partition

Colton Lewis
2025-12-12T20:30:01Z

kernel test robot <lkp@intel.com> writes:

> Hi Colton,

> kernel test robot noticed the following build warnings:

> [auto build test WARNING on ac3fd01e4c1efce8f2c054cdeb2ddd2fc0fb150d]

> url:
> https://github.com/intel-lab-lkp/linux/commits/Colton-Lewis/arm64-cpufeature-Add-cpucap-for-HPMN0/20251210-055309
> base: ac3fd01e4c1efce8f2c054cdeb2ddd2fc0fb150d
> patch link:
> https://lore.kernel.org/r/20251209205121.1871534-10-coltonlewis%40google.com
> patch subject: [PATCH v5 09/24] perf: arm_pmuv3: Keep out of guest
> counter partition
> config: arm64-defconfig
> (https://download.01.org/0day-ci/archive/20251211/202512110439.UXwb1Qh4-lkp@intel.com/config)
> compiler: aarch64-linux-gcc (GCC) 15.1.0
> reproduce (this is a W=1 build):
> (https://download.01.org/0day-ci/archive/20251211/202512110439.UXwb1Qh4-lkp@intel.com/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@intel.com>
> | Closes:
> https://lore.kernel.org/oe-kbuild-all/202512110439.UXwb1Qh4-lkp@intel.com/

> All warnings (new ones prefixed by >>):

>>> Warning: arch/arm64/kvm/pmu-direct.c:75 function parameter 'pmu' not
>>> described in 'kvm_pmu_guest_counter_mask'

Just a missing argument description in the comment. Fixed

> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki