Re: [PATCH] iommu/amd: Adhere to IVINFO[VASIZE] for address limits

From: kernel test robot

Date: Sat Feb 28 2026 - 06:02:35 EST


Hi Ankit,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v7.0-rc1 next-20260227]
[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#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Ankit-Soni/iommu-amd-Adhere-to-IVINFO-VASIZE-for-address-limits/20260228-010009
base: linus/master
patch link: https://lore.kernel.org/r/cf1a1e3d96c3571ac5caa528caa84751d40be1bc.1772208939.git.Ankit.Soni%40amd.com
patch subject: [PATCH] iommu/amd: Adhere to IVINFO[VASIZE] for address limits
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260228/202602281837.QQl5six6-lkp@xxxxxxxxx/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260228/202602281837.QQl5six6-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602281837.QQl5six6-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> WARNING: modpost: vmlinux: section mismatch in reference: ivinfo_vasize_bits+0x8 (section: .text) -> amd_iommu_disabled (section: .init.data)

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