[jgunthorpe:iommu_pt_riscv 6/7] drivers/iommu/riscv/iommu.c:1468:1: sparse: sparse: bad integer constant expression

[kernel test robot <lkp@intel.com>]

:::::: 
:::::: Manual check reason: "low confidence static check warning: drivers/iommu/riscv/iommu.c:1468:1: sparse: sparse: bad integer constant expression"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: Jason Gunthorpe <jgg@nvidia.com>

tree:   https://github.com/jgunthorpe/linux iommu_pt_riscv
head:   cde8a040db2d66ed49a2e93a0bbbbbf1cb83d7a7
commit: 937e886354f0940f3d8506553007cea935b81646 [6/7] iommu/riscv: Allow RISC_VIOMMU to COMPILE_TEST
:::::: branch date: 5 days ago
:::::: commit date: 5 days ago
config: loongarch-randconfig-r121-20251224 (https://download.01.org/0day-ci/archive/20251224/202512241220.omy7JfKd-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251224/202512241220.omy7JfKd-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/r/202512241220.omy7JfKd-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   drivers/iommu/riscv/iommu.c:1380:13: sparse: sparse: too long token expansion
   drivers/iommu/riscv/iommu.c:1380:13: sparse: sparse: too long token expansion
   drivers/iommu/riscv/iommu.c:1380:13: sparse: sparse: too long token expansion
   drivers/iommu/riscv/iommu.c:1380:13: sparse: sparse: too long token expansion
   drivers/iommu/riscv/iommu.c:1380:13: sparse: sparse: too long token expansion
   drivers/iommu/riscv/iommu.c:1380:13: sparse: sparse: too long token expansion
>> drivers/iommu/riscv/iommu.c:1468:1: sparse: sparse: bad integer constant expression
   drivers/iommu/riscv/iommu.c:1468:1: sparse: sparse: static assertion failed: "MODULE_INFO(import_ns, ...) contains embedded NUL byte"

vim +1468 drivers/iommu/riscv/iommu.c

e89e825351115d Jason Gunthorpe 2025-05-07  1467  
e89e825351115d Jason Gunthorpe 2025-05-07 @1468  MODULE_IMPORT_NS("GENERIC_PT_IOMMU");

:::::: The code at line 1468 was first introduced by commit
:::::: e89e825351115d0aaec359d3651f28c4913a476f iommu/riscv: Use the generic iommu page table

:::::: TO: Jason Gunthorpe <jgg@nvidia.com>
:::::: CC: Jason Gunthorpe <jgg@nvidia.com>

-- 
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https://github.com/intel/lkp-tests/wiki