tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android13-5.15 head: d52e3e4473075ddf199c9ae763e747302d729468 commit: 4a75e1b060286edbc814df36ab6b314826d2dc5e [2562/2575] ANDROID: KVM: arm64: Implement IRQ handler for S2MPU faults config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220111/202201110931.duyXOD4g-lk...) 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/4a75e1b060286edbc814df3... 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 4a75e1b060286edbc814df36ab6b314826d2dc5e # 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 arch/arm64/kvm/iommu/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): * Parse interrupt information from DT and if found, register IRQ handler. vim +129 arch/arm64/kvm/iommu/s2mpu.c 127 128 /** 130 * This is considered optional and will not fail even if the initialization is 131 * unsuccessful. In that case the IRQ will remain masked. 132 */ 133 static void s2mpu_probe_irq(struct platform_device *pdev, void __iomem *kaddr) 134 { 135 struct s2mpu_irq_info *irq_info; 136 int ret, irq; 137 138 irq = platform_get_irq_optional(pdev, 0); 139 140 if (irq == -ENXIO) 141 return; /* No IRQ specified. */ 142 143 if (irq < 0) { 144 /* IRQ specified but failed to parse. */ 145 dev_err(&pdev->dev, "failed to parse IRQ, IRQ not enabled"); 146 return; 147 } 148 149 irq_info = devm_kmalloc(&pdev->dev, sizeof(*irq_info), GFP_KERNEL); 150 if (!irq_info) 151 return; 152 153 *irq_info = (struct s2mpu_irq_info){ 154 .dev = &pdev->dev, 155 .va = kaddr, 156 }; 157 158 ret = devm_request_irq(&pdev->dev, irq, s2mpu_irq_handler, 0, 159 dev_name(&pdev->dev), irq_info); 160 if (ret) { 161 dev_err(&pdev->dev, "failed to register IRQ, IRQ not enabled"); 162 return; 163 } 164 } 165 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org