Re: [PATCH v2] iommu/amd: Add support to indicate whether DMA remap support is enabled

From: kernel test robot
Date: Sun Mar 20 2022 - 22:54:04 EST


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