Messages in this thread | | | Date | Fri, 18 Mar 2022 23:54:10 +0800 | From | kernel test robot <> | Subject | [ammarfaizi2-block:google/android/kernel/common/android12-5.10-2022-03 233/9999] arch/arm64/kvm/perf.c:58:43: error: implicit declaration of function 'perf_num_counters'; did you mean 'dec_mm_counter'? |
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tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android12-5.10-2022-03 head: 306d827cfbb9633f5be11438b2fc8922bf4d2b3c commit: 13dbdc0759fd4b89417f64d399ffa6a86fdc7caf [233/9999] FROMGIT: KVM: arm64: Turn kvm_arm_support_pmu_v3() into a static key config: arm64-randconfig-c004-20220318 (https://download.01.org/0day-ci/archive/20220318/202203182338.1SRPwggO-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/ammarfaizi2/linux-block/commit/13dbdc0759fd4b89417f64d399ffa6a86fdc7caf git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android12-5.10-2022-03 git checkout 13dbdc0759fd4b89417f64d399ffa6a86fdc7caf # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kvm/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
arch/arm64/kvm/perf.c: In function 'kvm_perf_init': >> arch/arm64/kvm/perf.c:58:43: error: implicit declaration of function 'perf_num_counters'; did you mean 'dec_mm_counter'? [-Werror=implicit-function-declaration] 58 | if (IS_ENABLED(CONFIG_ARM_PMU) && perf_num_counters() > 0) | ^~~~~~~~~~~~~~~~~ | dec_mm_counter cc1: some warnings being treated as errors
vim +58 arch/arm64/kvm/perf.c
50 51 int kvm_perf_init(void) 52 { 53 /* 54 * Check if HW_PERF_EVENTS are supported by checking the number of 55 * hardware performance counters. This could ensure the presence of 56 * a physical PMU and CONFIG_PERF_EVENT is selected. 57 */ > 58 if (IS_ENABLED(CONFIG_ARM_PMU) && perf_num_counters() > 0) 59 static_branch_enable(&kvm_arm_pmu_available); 60 61 return perf_register_guest_info_callbacks(&kvm_guest_cbs); 62 } 63
--- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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