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X-CSE-ConnectionGUID: if477GdJTpiGbLjh6+Z4DQ== X-CSE-MsgGUID: 86kFMphKSqiPMte1473APw== X-IronPort-AV: E=McAfee;i="6800,10657,11905"; a="398766" X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="398766" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa115.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Sep 2026 15:45:15 -0700 X-CSE-ConnectionGUID: pCmozj2nT5S2a2YmdvKMZA== X-CSE-MsgGUID: ynx8rR/zRoSqwBBH223AEA== X-Ironport-Invalid-End-Of-Message: True X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="270518933" Received: from lkp-server01.sh.intel.com (HELO 462990a40a85) ([10.239.97.150]) by fmviesa008.fm.intel.com with ESMTP; 15 Sep 2026 15:45:13 -0700 Received: from kbuild by 462990a40a85 with local (Exim 4.98.2) (envelope-from ) id 1x6btn-0000000058r-0y7k; Tue, 15 Sep 2026 22:45:11 +0000 Date: Wed, 16 Sep 2026 06:45:01 +0800 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android16-6.12-lts 1/1] arch/arm64/kvm/hyp/nvhe/pkvm.c:1785:40: sparse: sparse: cast to restricted __le32 Message-ID: <202609160618.CqtNUPeO-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://android.googlesource.com/kernel/common android16-6.12-lts head: 57041e4a7e52342473871000827584f966d8cbd3 commit: c0fe83ef01767a3af8396356e2f82aaab869d2f8 [1/1] ANDROID: KVM: arm64: Add TRNG handling for protected guests config: arm64-randconfig-r123-20260910 (https://download.01.org/0day-ci/archive/20260916/202609160618.CqtNUPeO-lkp@intel.com/config) compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project d3db069999553568848400c84cbf815c03f5470f) sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260916/202609160618.CqtNUPeO-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202609160618.CqtNUPeO-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> arch/arm64/kvm/hyp/nvhe/pkvm.c:1785:40: sparse: sparse: cast to restricted __le32 arch/arm64/kvm/hyp/nvhe/pkvm.c:1786:34: sparse: sparse: cast to restricted __le32 arch/arm64/kvm/hyp/nvhe/pkvm.c:1787:34: sparse: sparse: cast to restricted __le32 arch/arm64/kvm/hyp/nvhe/pkvm.c:1788:34: sparse: sparse: cast to restricted __le32 vim +1785 arch/arm64/kvm/hyp/nvhe/pkvm.c 1758 1759 static bool module_handle_guest_trng(struct kvm_vcpu *vcpu) 1760 { 1761 u32 fn; 1762 u64 ret = SMCCC_RET_NOT_SUPPORTED; 1763 const uuid_t *uuid; 1764 1765 fn = smccc_get_function(vcpu); 1766 uuid = module_get_guest_trng_uuid(); 1767 if (!uuid) 1768 return false; 1769 1770 switch (fn) { 1771 case ARM_SMCCC_TRNG_VERSION: 1772 ret = ARM_SMCCC_TRNG_VER_1_0; 1773 break; 1774 case ARM_SMCCC_TRNG_FEATURES: 1775 switch (smccc_get_arg1(vcpu)) { 1776 case ARM_SMCCC_TRNG_VERSION: 1777 case ARM_SMCCC_TRNG_FEATURES: 1778 case ARM_SMCCC_TRNG_GET_UUID: 1779 case ARM_SMCCC_TRNG_RND64: 1780 ret = SMCCC_RET_SUCCESS; 1781 break; 1782 } 1783 break; 1784 case ARM_SMCCC_TRNG_GET_UUID: > 1785 smccc_set_retval(vcpu, le32_to_cpu(((u32 *)uuid->b)[0]), 1786 le32_to_cpu(((u32 *)uuid->b)[1]), 1787 le32_to_cpu(((u32 *)uuid->b)[2]), 1788 le32_to_cpu(((u32 *)uuid->b)[3])); 1789 return true; 1790 case ARM_SMCCC_TRNG_RND64: 1791 return module_handle_guest_trng_rng(vcpu); 1792 default: 1793 return false; 1794 } 1795 1796 smccc_set_retval(vcpu, ret, 0, 0, 0); 1797 return true; 1798 } 1799 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki