linux-kernel - Re: [PATCH 2/2] vfio/cdx: update driver to build without CONFIG_GENERIC_MSI

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Message-ID: <202508191254.kSWLsaT3-lkp@intel.com>
Date: Tue, 19 Aug 2025 13:47:26 +0800
From: kernel test robot <lkp@...el.com>
To: Nipun Gupta <nipun.gupta@....com>, arnd@...db.de,
	gregkh@...uxfoundation.org, nikhil.agarwal@....com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org, robin.murphy@....com, krzk@...nel.org,
	tglx@...utronix.de, maz@...nel.org, linux@...ssschuh.net,
	chenqiuji666@...il.com, peterz@...radead.org, robh@...nel.org,
	abhijit.gangurde@....com, nathan@...nel.org,
	Nipun Gupta <nipun.gupta@....com>,
	kernel test robot <lkp@...el.com>
Subject: Re: [PATCH 2/2] vfio/cdx: update driver to build without
 CONFIG_GENERIC_MSI_IRQ

Hi Nipun,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.17-rc2 next-20250818]
[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/Nipun-Gupta/vfio-cdx-update-driver-to-build-without-CONFIG_GENERIC_MSI_IRQ/20250818-143703
base:   linus/master
patch link:    https://lore.kernel.org/r/20250818063244.1242634-2-nipun.gupta%40amd.com
patch subject: [PATCH 2/2] vfio/cdx: update driver to build without CONFIG_GENERIC_MSI_IRQ
config: powerpc-randconfig-003-20250819 (https://download.01.org/0day-ci/archive/20250819/202508191254.kSWLsaT3-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 93d24b6b7b148c47a2fa228a4ef31524fa1d9f3f)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250819/202508191254.kSWLsaT3-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202508191254.kSWLsaT3-lkp@intel.com/

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

ERROR: modpost: missing MODULE_LICENSE() in drivers/vfio/cdx/intr.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/vfio/cdx/intr.o
>> ERROR: modpost: "vfio_cdx_irqs_cleanup" [drivers/vfio/cdx/vfio-cdx.ko] undefined!
>> ERROR: modpost: "vfio_cdx_set_irqs_ioctl" [drivers/vfio/cdx/vfio-cdx.ko] undefined!
>> WARNING: modpost: module intr uses symbol cdx_enable_msi from namespace CDX_BUS, but does not import it.
>> WARNING: modpost: module intr uses symbol cdx_disable_msi from namespace CDX_BUS, but does not import it.

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki