Thanks for catching this build warning kernel-test-robot. I will spin-off a v3 fixing this. kernel test robot <lkp@xxxxxxxxx> 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@xxxxxxxxx/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@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/202501171030.3x0gqW8G-lkp@xxxxxxxxx/ > > 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
