Hi Like, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on kvm/linux-next] [cannot apply to v5.4-rc4 next-20191025] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Like-Xu/KVM-x86-vPMU-Efficiency-optimization-by-reusing-last-created-perf_event/20191024-164128 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next reproduce: # apt-get install sparse # sparse version: v0.6.1-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> arch/x86/kvm/vmx/pmu_intel.c:165:16: sparse: sparse: symbol 'intel_msr_idx_to_pmc' was not declared. Should it be static? -- >> arch/x86/kvm/pmu_amd.c:207:16: sparse: sparse: symbol 'amd_msr_idx_to_pmc' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
