[PATCH v4 22/23] KVM: arm64: Add ioctl to partition the PMU when supported

[kernel test robot]

Hi Colton,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 79150772457f4d45e38b842d786240c36bb1f97f]

url:    https://github.com/intel-lab-lkp/linux/commits/Colton-Lewis/arm64-cpufeature-Add-cpucap-for-HPMN0/20250715-070741
base:   79150772457f4d45e38b842d786240c36bb1f97f
patch link:    https://lore.kernel.org/r/20250714225917.1396543-23-coltonlewis%40google.com
patch subject: [PATCH v4 22/23] KVM: arm64: Add ioctl to partition the PMU when supported
config: arm64-randconfig-001-20250715 (https://download.01.org/0day-ci/archive/20250716/202507160120.lx4XxDb5-lkp@intel.com/config)
compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250716/202507160120.lx4XxDb5-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507160120.lx4XxDb5-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from arch/arm64/kernel/asm-offsets.c:15:
   In file included from include/linux/kvm_host.h:45:
   In file included from arch/arm64/include/asm/kvm_host.h:31:
>> arch/arm64/include/asm/kvm_pmu.h:301:49: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
   static inline bool kvm_pmu_is_partitioned(void *)
                                                   ^
   arch/arm64/include/asm/kvm_pmu.h:306:51: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
   static inline u64 kvm_pmu_host_counter_mask(void *)
                                                     ^
   arch/arm64/include/asm/kvm_pmu.h:311:52: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
   static inline u64 kvm_pmu_guest_counter_mask(void *)
                                                      ^
   3 warnings generated.
--
   In file included from arch/arm64/kernel/asm-offsets.c:15:
   In file included from include/linux/kvm_host.h:45:
   In file included from arch/arm64/include/asm/kvm_host.h:31:
>> arch/arm64/include/asm/kvm_pmu.h:301:49: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
   static inline bool kvm_pmu_is_partitioned(void *)
                                                   ^
   arch/arm64/include/asm/kvm_pmu.h:306:51: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
   static inline u64 kvm_pmu_host_counter_mask(void *)
                                                     ^
   arch/arm64/include/asm/kvm_pmu.h:311:52: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
   static inline u64 kvm_pmu_guest_counter_mask(void *)
                                                      ^
   3 warnings generated.


vim +301 arch/arm64/include/asm/kvm_pmu.h

   300	
 > 301	static inline bool kvm_pmu_is_partitioned(void *)
   302	{
   303		return false;
   304	}
   305	

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