Hi Konrad, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on joro-iommu/next] [also build test WARNING on v5.18 next-20220527] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Konrad-Dybcio/iommu-qcom-Use-the-asid-read-from-device-tree-if-specified/20220528-062952 base: https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220528/202205280904.vsNCfpph-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 11.3.0 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/intel-lab-lkp/linux/commit/0744f7d6ebfff8d6854a24d0f95f8e58885b5212 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Konrad-Dybcio/iommu-qcom-Use-the-asid-read-from-device-tree-if-specified/20220528-062952 git checkout 0744f7d6ebfff8d6854a24d0f95f8e58885b5212 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash drivers/iommu/arm/arm-smmu/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/iommu/arm/arm-smmu/qcom_iommu.c: In function 'qcom_iommu_tlb_inv_range_nosync': >> drivers/iommu/arm/arm-smmu/qcom_iommu.c:174:58: warning: left shift count >= width of type [-Wshift-count-overflow] 174 | iova |= (unsigned long)ctx->asid << 48; | ^~ vim +174 drivers/iommu/arm/arm-smmu/qcom_iommu.c 157 158 static void qcom_iommu_tlb_inv_range_nosync(unsigned long iova, size_t size, 159 size_t granule, bool leaf, void *cookie) 160 { 161 struct qcom_iommu_domain *qcom_domain = cookie; 162 struct iommu_fwspec *fwspec = qcom_domain->fwspec; 163 unsigned i, reg; 164 165 reg = leaf ? ARM_SMMU_CB_S1_TLBIVAL : ARM_SMMU_CB_S1_TLBIVA; 166 167 for (i = 0; i < fwspec->num_ids; i++) { 168 struct qcom_iommu_dev *qcom_iommu = qcom_domain->iommu; 169 struct qcom_iommu_ctx *ctx = to_ctx(qcom_domain, fwspec->ids[i]); 170 size_t s = size; 171 172 if (qcom_iommu->use_aarch64_pt) { 173 iova >>= 12; > 174 iova |= (unsigned long)ctx->asid << 48; 175 } else { 176 iova &= (1UL << 12) - 1UL; 177 iova |= ctx->asid; 178 } 179 do { 180 iommu_writel(ctx, reg, iova); 181 iova += granule; 182 } while (s -= granule); 183 } 184 } 185 -- 0-DAY CI Kernel Test Service https://01.org/lkp
