Hi Roman, kernel test robot noticed the following build warnings: [auto build test WARNING on 3a7f7785eae7cf012af128ca9e383c91e4955354] url: https://github.com/intel-lab-lkp/linux/commits/Roman-Kisel/arm64-kvm-smccc-Introduce-and-use-API-for-detectting-hypervisor-presence/20250308-060639 base: 3a7f7785eae7cf012af128ca9e383c91e4955354 patch link: https://lore.kernel.org/r/20250307220304.247725-2-romank%40linux.microsoft.com patch subject: [PATCH hyperv-next v5 01/11] arm64: kvm, smccc: Introduce and use API for detectting hypervisor presence config: arm64-randconfig-r131-20250312 (https://download.01.org/0day-ci/archive/20250312/202503122113.trcjnau3-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce: (https://download.01.org/0day-ci/archive/20250312/202503122113.trcjnau3-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/202503122113.trcjnau3-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) drivers/firmware/smccc/smccc.c:19:21: sparse: sparse: symbol 'smccc_soc_id_version' was not declared. Should it be static? drivers/firmware/smccc/smccc.c:20:21: sparse: sparse: symbol 'smccc_soc_id_revision' was not declared. Should it be static? >> drivers/firmware/smccc/smccc.c:81:37: sparse: sparse: restricted __le32 degrades to integer >> drivers/firmware/smccc/smccc.c:81:37: sparse: sparse: restricted __le32 degrades to integer >> drivers/firmware/smccc/smccc.c:81:37: sparse: sparse: restricted __le32 degrades to integer >> drivers/firmware/smccc/smccc.c:81:37: sparse: sparse: restricted __le32 degrades to integer >> drivers/firmware/smccc/smccc.c:81:37: sparse: sparse: restricted __le32 degrades to integer >> drivers/firmware/smccc/smccc.c:81:37: sparse: sparse: restricted __le32 degrades to integer >> drivers/firmware/smccc/smccc.c:81:37: sparse: sparse: restricted __le32 degrades to integer >> drivers/firmware/smccc/smccc.c:81:37: sparse: sparse: restricted __le32 degrades to integer >> drivers/firmware/smccc/smccc.c:81:37: sparse: sparse: restricted __le32 degrades to integer >> drivers/firmware/smccc/smccc.c:81:37: sparse: sparse: restricted __le32 degrades to integer >> drivers/firmware/smccc/smccc.c:81:37: sparse: sparse: restricted __le32 degrades to integer >> drivers/firmware/smccc/smccc.c:81:37: sparse: sparse: restricted __le32 degrades to integer >> drivers/firmware/smccc/smccc.c:81:37: sparse: sparse: restricted __le32 degrades to integer >> drivers/firmware/smccc/smccc.c:81:37: sparse: sparse: restricted __le32 degrades to integer >> drivers/firmware/smccc/smccc.c:81:37: sparse: sparse: restricted __le32 degrades to integer >> drivers/firmware/smccc/smccc.c:81:37: sparse: sparse: restricted __le32 degrades to integer vim +81 drivers/firmware/smccc/smccc.c 69 70 bool arm_smccc_hyp_present(const uuid_t *hyp_uuid) 71 { 72 struct arm_smccc_res res = {}; 73 74 if (arm_smccc_1_1_get_conduit() != SMCCC_CONDUIT_HVC) 75 return false; 76 arm_smccc_1_1_hvc(ARM_SMCCC_VENDOR_HYP_CALL_UID_FUNC_ID, &res); 77 if (res.a0 == SMCCC_RET_NOT_SUPPORTED) 78 return false; 79 80 return ({ > 81 const uuid_t uuid = SMCCC_RES_TO_UUID(res.a0, res.a1, res.a2, res.a3); 82 const bool present = uuid_equal(&uuid, hyp_uuid); 83 84 present; 85 }); 86 } 87 EXPORT_SYMBOL_GPL(arm_smccc_hyp_present); 88 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
