Re: [PATCH v3 2/8] KVM: add PCI MSI hypercall for VFIO passthrough

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

Hi Jose,

kernel test robot noticed the following build errors:

[auto build test ERROR on pci/next]
[also build test ERROR on pci/for-linus linus/master next-20261030]
[cannot apply to kvm/queue kvm/next ath/ath-next kvm/linux-next v7.3]
[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/Jose-Ignacio-Tornos-Martinez/vfio-add-helper-to-find-PCI-device-by-vendor-device-ID/20261029-173706
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link:    https://lore.kernel.org/r/20261029163713.1366077-3-jtornosm%40redhat.com
patch subject: [PATCH v3 2/8] KVM: add PCI MSI hypercall for VFIO passthrough
config: x86_64-randconfig-1011-20261031 (https://download.01.org/0day-ci/archive/20261031/202610311919.NWIUCtPb-lkp@intel.com/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261031/202610311919.NWIUCtPb-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/202610311919.NWIUCtPb-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: vfio_file_find_pci_device
   >>> referenced by vfio.c:405 (arch/x86/kvm/../../../virt/kvm/vfio.c:405)
   >>>               vmlinux.o:(kvm_vfio_pci_msi_alloc)

--
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