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SubjectRe: [PATCH v2] iommu/amd: Add support to indicate whether DMA remap support is enabled
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-defconfig (https://download.01.org/0day-ci/archive/20220321/202203211032.FSaAOkQt-lkp@intel.com/config)
compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04) 9.4.0
reproduce (this is a W=1 build):
# 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
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

drivers/iommu/amd/iommu.c: In function 'amd_iommu_capable':
>> drivers/iommu/amd/iommu.c:2165:7: error: 'IOMMU_CAP_PRE_BOOT_PROTECTION' undeclared (first use in this function)
2165 | case IOMMU_CAP_PRE_BOOT_PROTECTION:
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/iommu/amd/iommu.c:2165:7: note: each undeclared identifier is reported only once for each function it appears in


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

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