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

[Vaibhav Jain <vaibhav@linux.ibm.com>]

Thanks for catching this build warning kernel-test-robot. I will
spin-off a v3 fixing this.

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

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

-- 
Cheers
~ Vaibhav