[iommu:hyper-v 4/5] drivers/iommu/hyperv/hv-iommu-guest.c:25:21: sparse: sparse: symbol 'hv_iommu_device' was not declared. Should it be static?

[iommu:hyper-v 4/5] drivers/iommu/hyperv/hv-iommu-guest.c:25:21: sparse: sparse: symbol 'hv_iommu_device' was not declared. Should it be static?

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux.git hyper-v
head:   87c5e5ae83492d951877eb5711dc03f2314d2695
commit: 2690d4156b51f7e9fe874dd480fc928594615552 [4/5] iommu/hyperv: Add para-virtualized IOMMU support for Hyper-V guest
config: x86_64-randconfig-r2301-20261009 (https://download.01.org/0day-ci/archive/20261009/202610092126.TuSXnTYR-lkp@intel.com/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261009/202610092126.TuSXnTYR-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/oe-kbuild-all/202610092126.TuSXnTYR-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/iommu/hyperv/hv-iommu-guest.c:25:21: sparse: sparse: symbol 'hv_iommu_device' was not declared. Should it be static?

vim +/hv_iommu_device +25 drivers/iommu/hyperv/hv-iommu-guest.c

    24	
  > 25	struct hv_iommu_dev *hv_iommu_device;
    26	

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