* [android-common:android16-6.12-lts 1/1] arch/arm64/kvm/hyp/nvhe/pkvm.c:1785:40: sparse: sparse: cast to restricted __le32
@ 2026-09-15 22:45 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-09-15 22:45 UTC (permalink / raw)
To: cros-kernel-buildreports; +Cc: oe-kbuild-all
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 <lkp@intel.com>
| 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
^ permalink raw reply [flat|nested] 2+ messages in thread
* [android-common:android16-6.12-lts 1/1] arch/arm64/kvm/hyp/nvhe/pkvm.c:1785:40: sparse: sparse: cast to restricted __le32
@ 2026-09-19 1:10 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-09-19 1:10 UTC (permalink / raw)
To: cros-kernel-buildreports; +Cc: oe-kbuild-all
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/20260919/202609190936.j7CUdpGH-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/20260919/202609190936.j7CUdpGH-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609190936.j7CUdpGH-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
^ permalink raw reply [flat|nested] 2+ messages in thread
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