tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android13-5.15 head: d52e3e4473075ddf199c9ae763e747302d729468 commit: f6b90bb6f59d0dab524f623b255f29c149557270 [2564/2575] ANDROID: KVM: arm64: Enable S2MPUs in __pkvm_init_stage2_iommu config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220111/202201111216.YaxndGDc-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/ammarfaizi2/linux-block/commit/f6b90bb6f59d0dab524f623b255f29c149557270 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android13-5.15 git checkout f6b90bb6f59d0dab524f623b255f29c149557270 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> arch/arm64/kvm/hyp/nvhe/iommu/s2mpu.c:104: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Initialize S2MPU device and set all GB regions to 1G granularity with vim +104 arch/arm64/kvm/hyp/nvhe/iommu/s2mpu.c 102 103 /** > 104 * Initialize S2MPU device and set all GB regions to 1G granularity with 105 * given protection bits. 106 */ 107 static void initialize_with_prot(struct s2mpu *dev, enum mpt_prot prot) 108 { 109 unsigned int gb, vid; 110 111 /* Must write CONTEXT_CFG_VALID_VID before setting L1ENTRY registers. */ 112 __set_context_ids(dev); 113 114 for_each_gb_and_vid(gb, vid) 115 __set_l1entry_attr_with_prot(dev, gb, vid, prot); 116 __all_invalidation(dev); 117 118 /* Set control registers, enable the S2MPU. */ 119 __set_control_regs(dev); 120 } 121 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx