Re: [PATCH v2 19/31] iommu/vt-d: Reserve the MSB domain ID bit for the TDX module
From: kernel test robot
Date: Sat Mar 28 2026 - 12:58:08 EST
Hi Xu,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 11439c4635edd669ae435eec308f4ab8a0804808]
url: https://github.com/intel-lab-lkp/linux/commits/Xu-Yilun/x86-tdx-Move-all-TDX-error-defines-into-asm-shared-tdx_errno-h/20260328-151524
base: 11439c4635edd669ae435eec308f4ab8a0804808
patch link: https://lore.kernel.org/r/20260327160132.2946114-20-yilun.xu%40linux.intel.com
patch subject: [PATCH v2 19/31] iommu/vt-d: Reserve the MSB domain ID bit for the TDX module
config: i386-randconfig-141-20260328 (https://download.01.org/0day-ci/archive/20260329/202603290006.za7iiDgF-lkp@xxxxxxxxx/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
smatch: v0.5.0-9004-gb810ac53
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260329/202603290006.za7iiDgF-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/202603290006.za7iiDgF-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>, old ones prefixed by <<):
>> WARNING: modpost: vmlinux: section mismatch in reference: iommu_max_domain_id+0x55 (section: .text.iommu_max_domain_id) -> acpi_table_parse_keyp (section: .init.text)
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki