Re: [PATCH v6 16/19] KVM: arm64: Add vCPU device attr to partition the PMU

From: kernel test robot

Date: Tue Feb 10 2026 - 00:55:57 EST


Hi Colton,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 63804fed149a6750ffd28610c5c1c98cce6bd377]

url: https://github.com/intel-lab-lkp/linux/commits/Colton-Lewis/arm64-cpufeature-Add-cpucap-for-HPMN0/20260210-064939
base: 63804fed149a6750ffd28610c5c1c98cce6bd377
patch link: https://lore.kernel.org/r/20260209221414.2169465-17-coltonlewis%40google.com
patch subject: [PATCH v6 16/19] KVM: arm64: Add vCPU device attr to partition the PMU
config: arm64-defconfig (https://download.01.org/0day-ci/archive/20260210/202602101354.lZex1CmW-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260210/202602101354.lZex1CmW-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/202602101354.lZex1CmW-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> Warning: arch/arm64/kvm/pmu-direct.c:55 function parameter 'vcpu' not described in 'kvm_vcpu_pmu_is_partitioned'
>> Warning: arch/arm64/kvm/pmu-direct.c:55 expecting prototype for kvm_pmu_is_partitioned(). Prototype was for kvm_vcpu_pmu_is_partitioned() instead

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