Hi Praveen, kernel test robot noticed the following build warnings:
[auto build test WARNING on next-20251107] [cannot apply to tip/x86/core linus/master v6.18-rc4 v6.18-rc3 v6.18-rc2 v6.18-rc4] [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/Praveen-K-Paladugu/hyperv-Add-definitions-for-MSHV-sleep-state-configuration/20251108-061825 base: next-20251107 patch link: https://lore.kernel.org/r/20251107221700.45957-4-prapal%40linux.microsoft.com patch subject: [PATCH v4 3/3] hyperv: Cleanly shutdown root partition with MSHV config: x86_64-randconfig-122-20251108 (https://download.01.org/0day-ci/archive/20251108/[email protected]/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251108/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): >> drivers/hv/mshv_common.c:227:6: warning: variable 'status' set but not used >> [-Wunused-but-set-variable] 227 | u64 status; | ^ 1 warning generated. vim +/status +227 drivers/hv/mshv_common.c 220 221 /* 222 * Power off the machine by entering S5 sleep state via Hyper-V hypercall. 223 * This call does not return if successful. 224 */ 225 void hv_machine_power_off(void) 226 { > 227 u64 status; 228 unsigned long flags; 229 struct hv_input_enter_sleep_state *in; 230 231 local_irq_save(flags); 232 in = *this_cpu_ptr(hyperv_pcpu_input_arg); 233 in->sleep_state = HV_SLEEP_STATE_S5; 234 235 status = hv_do_hypercall(HVCALL_ENTER_SLEEP_STATE, in, NULL); 236 local_irq_restore(flags); 237 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
