Hi Oza, kernel test robot noticed the following build warnings: [auto build test WARNING on soc/for-next] [also build test WARNING on v6.5] [cannot apply to rafael-pm/linux-next arm64/for-next/core linus/master next-20230829] [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/Oza-Pawandeep/cpuidle-ACPI-Evaluate-LPI-arch_flags-for-broadcast-timer/20230830-041258 base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next patch link: https://lore.kernel.org/r/20230829201101.3330337-1-quic_poza%40quicinc.com patch subject: [PATCH v3] cpuidle, ACPI: Evaluate LPI arch_flags for broadcast timer config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20230830/202308300720.JEfxnfQ5-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230830/202308300720.JEfxnfQ5-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/202308300720.JEfxnfQ5-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/acpi/processor_idle.c: In function 'acpi_processor_setup_lpi_states': >> drivers/acpi/processor_idle.c:1220:61: warning: left-hand operand of comma expression has no effect [-Wunused-value] 1220 | arch_update_idle_state_flags(lpi->arch_flags, &state->flags); | ^ >> drivers/acpi/processor_idle.c:1220:61: warning: statement with no effect [-Wunused-value] 1220 | arch_update_idle_state_flags(lpi->arch_flags, &state->flags); | ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~ vim +1220 drivers/acpi/processor_idle.c 1201 1202 static int acpi_processor_setup_lpi_states(struct acpi_processor *pr) 1203 { 1204 int i; 1205 struct acpi_lpi_state *lpi; 1206 struct cpuidle_state *state; 1207 struct cpuidle_driver *drv = &acpi_idle_driver; 1208 1209 if (!pr->flags.has_lpi) 1210 return -EOPNOTSUPP; 1211 1212 for (i = 0; i < pr->power.count && i < CPUIDLE_STATE_MAX; i++) { 1213 lpi = &pr->power.lpi_states[i]; 1214 1215 state = &drv->states[i]; 1216 snprintf(state->name, CPUIDLE_NAME_LEN, "LPI-%d", i); 1217 strscpy(state->desc, lpi->desc, CPUIDLE_DESC_LEN); 1218 state->exit_latency = lpi->wake_latency; 1219 state->target_residency = lpi->min_residency; > 1220 arch_update_idle_state_flags(lpi->arch_flags, &state->flags); 1221 if (i != 0 && lpi->entry_method == ACPI_CSTATE_FFH) 1222 state->flags |= CPUIDLE_FLAG_RCU_IDLE; 1223 state->enter = acpi_idle_lpi_enter; 1224 drv->safe_state_index = i; 1225 } 1226 1227 drv->state_count = i; 1228 1229 return 0; 1230 } 1231 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
