Hi Gautam, kernel test robot noticed the following build errors: [auto build test ERROR on powerpc/topic/ppc-kvm] [also build test ERROR on powerpc/next powerpc/fixes kvm/queue mst-vhost/linux-next linus/master v6.9 next-20240516] [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/Gautam-Menghani/arch-powerpc-kvm-Add-support-for-reading-VPA-counters-for-pseries-guests/20240510-185213 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git topic/ppc-kvm patch link: https://lore.kernel.org/r/20240510104941.78410-1-gautam%40linux.ibm.com patch subject: [PATCH v8] arch/powerpc/kvm: Add support for reading VPA counters for pseries guests config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20240517/202405170932.TL7G99IJ-lkp@xxxxxxxxx/config) compiler: powerpc64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240517/202405170932.TL7G99IJ-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/202405170932.TL7G99IJ-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): powerpc64-linux-ld: warning: discarding dynamic section .glink powerpc64-linux-ld: warning: discarding dynamic section .plt powerpc64-linux-ld: linkage table error against `__traceiter_kvmppc_vcpu_stats' powerpc64-linux-ld: stubs don't match calculated size powerpc64-linux-ld: can not build stubs: bad value powerpc64-linux-ld: arch/powerpc/kvm/book3s_hv_nestedv2.o: in function `do_trace_nested_cs_time': >> book3s_hv_nestedv2.c:(.text.do_trace_nested_cs_time+0x264): undefined reference to `__traceiter_kvmppc_vcpu_stats' >> powerpc64-linux-ld: arch/powerpc/kvm/book3s_hv_nestedv2.o:(__jump_table+0x8): undefined reference to `__tracepoint_kvmppc_vcpu_stats' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki