Hi Mario, Thank you for the patch! Yet something to improve: [auto build test ERROR on joro-iommu/next] [also build test ERROR on v5.17 next-20220318] [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/0day-ci/linux/commits/Mario-Limonciello/iommu-amd-Add-support-to-indicate-whether-DMA-remap-support-is-enabled/20220319-063131 base: https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next config: x86_64-buildonly-randconfig-r004-20220321 (https://download.01.org/0day-ci/archive/20220321/202203211052.WEPydSQ9-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 85e9b2687a13d1908aa86d1b89c5ce398a06cd39) 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/0day-ci/linux/commit/105690537e561d997e376617aa6a7d6d7b74a6a6 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Mario-Limonciello/iommu-amd-Add-support-to-indicate-whether-DMA-remap-support-is-enabled/20220319-063131 git checkout 105690537e561d997e376617aa6a7d6d7b74a6a6 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/iommu/amd/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/iommu/amd/iommu.c:2165:7: error: use of undeclared identifier 'IOMMU_CAP_PRE_BOOT_PROTECTION' case IOMMU_CAP_PRE_BOOT_PROTECTION: ^ 1 error generated. vim +/IOMMU_CAP_PRE_BOOT_PROTECTION +2165 drivers/iommu/amd/iommu.c 2155 2156 static bool amd_iommu_capable(enum iommu_cap cap) 2157 { 2158 switch (cap) { 2159 case IOMMU_CAP_CACHE_COHERENCY: 2160 return true; 2161 case IOMMU_CAP_INTR_REMAP: 2162 return (irq_remapping_enabled == 1); 2163 case IOMMU_CAP_NOEXEC: 2164 return false; > 2165 case IOMMU_CAP_PRE_BOOT_PROTECTION: 2166 return amdr_ivrs_remap_support; 2167 default: 2168 break; 2169 } 2170 2171 return false; 2172 } 2173 -- 0-DAY CI Kernel Test Service https://01.org/lkp
