Re: [PATCH v2 4/6] kvm powerpc/book3s-apiv2: Introduce kvm-hv specific PMU

[kernel test robot <lkp@intel.com>]

Hi Vaibhav,

kernel test robot noticed the following build warnings:

[auto build test WARNING on powerpc/topic/ppc-kvm]
[also build test WARNING on powerpc/next powerpc/fixes kvm/queue kvm/next mst-vhost/linux-next linus/master v6.13-rc7 next-20250116]
[cannot apply to kvm/linux-next]
[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/Vaibhav-Jain/powerpc-Document-APIv2-KVM-hcall-spec-for-Hostwide-counters/20250116-024240
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git topic/ppc-kvm
patch link:    https://lore.kernel.org/r/20250115143948.369379-5-vaibhav%40linux.ibm.com
patch subject: [PATCH v2 4/6] kvm powerpc/book3s-apiv2: Introduce kvm-hv specific PMU
config: powerpc-allnoconfig (https://download.01.org/0day-ci/archive/20250117/202501171030.3x0gqW8G-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250117/202501171030.3x0gqW8G-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/202501171030.3x0gqW8G-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from arch/powerpc/include/asm/kvm_ppc.h:22,
                    from arch/powerpc/include/asm/dbell.h:17,
                    from arch/powerpc/kernel/asm-offsets.c:36:
>> arch/powerpc/include/asm/kvm_book3s.h:357:13: warning: 'kvmppc_unregister_pmu' defined but not used [-Wunused-function]
     357 | static void kvmppc_unregister_pmu(void)
         |             ^~~~~~~~~~~~~~~~~~~~~
>> arch/powerpc/include/asm/kvm_book3s.h:352:12: warning: 'kvmppc_register_pmu' defined but not used [-Wunused-function]
     352 | static int kvmppc_register_pmu(void)
         |            ^~~~~~~~~~~~~~~~~~~
--
   In file included from arch/powerpc/include/asm/kvm_ppc.h:22,
                    from arch/powerpc/include/asm/dbell.h:17,
                    from arch/powerpc/kernel/asm-offsets.c:36:
>> arch/powerpc/include/asm/kvm_book3s.h:357:13: warning: 'kvmppc_unregister_pmu' defined but not used [-Wunused-function]
     357 | static void kvmppc_unregister_pmu(void)
         |             ^~~~~~~~~~~~~~~~~~~~~
>> arch/powerpc/include/asm/kvm_book3s.h:352:12: warning: 'kvmppc_register_pmu' defined but not used [-Wunused-function]
     352 | static int kvmppc_register_pmu(void)
         |            ^~~~~~~~~~~~~~~~~~~


vim +/kvmppc_unregister_pmu +357 arch/powerpc/include/asm/kvm_book3s.h

   351	
 > 352	static int kvmppc_register_pmu(void)
   353	{
   354		return 0;
   355	}
   356	
 > 357	static void kvmppc_unregister_pmu(void)
   358	{
   359	}
   360	

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