linux-kernel - Re: [PATCH v13 3/3] iommu/vt-d: improve ITE fault handling if target device isn't valid

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Message-ID: <202402261910.IZ3PGmH3-lkp@intel.com>
Date: Mon, 26 Feb 2024 19:48:08 +0800
From: kernel test robot <lkp@...el.com>
To: Ethan Zhao <haifeng.zhao@...ux.intel.com>, baolu.lu@...ux.intel.com,
	bhelgaas@...gle.com, robin.murphy@....com, jgg@...pe.ca
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	kevin.tian@...el.com, dwmw2@...radead.org, will@...nel.org,
	lukas@...ner.de, yi.l.liu@...el.com, dan.carpenter@...aro.org,
	iommu@...ts.linux.dev, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org,
	Ethan Zhao <haifeng.zhao@...ux.intel.com>
Subject: Re: [PATCH v13 3/3] iommu/vt-d: improve ITE fault handling if target
 device isn't valid

Hi Ethan,

kernel test robot noticed the following build errors:

[auto build test ERROR on e60bf5aa1a74c0652cd12d0cdc02f5c2b5fe5c74]

url:    https://github.com/intel-lab-lkp/linux/commits/Ethan-Zhao/PCI-make-pci_dev_is_disconnected-helper-public-for-other-drivers/20240222-170625
base:   e60bf5aa1a74c0652cd12d0cdc02f5c2b5fe5c74
patch link:    https://lore.kernel.org/r/20240222090251.2849702-4-haifeng.zhao%40linux.intel.com
patch subject: [PATCH v13 3/3] iommu/vt-d: improve ITE fault handling if target device isn't valid
config: x86_64-randconfig-074-20240226 (https://download.01.org/0day-ci/archive/20240226/202402261910.IZ3PGmH3-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240226/202402261910.IZ3PGmH3-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/202402261910.IZ3PGmH3-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: device_rbtree_find
   >>> referenced by dmar.c:1346 (drivers/iommu/intel/dmar.c:1346)
   >>>               drivers/iommu/intel/dmar.o:(qi_submit_sync) in archive vmlinux.a

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