Re: [RFC] s390x/kdump: pass dm-crypt keys to kdump kernel

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

Hi Coiby,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

[auto build test ERROR on 7f98ab9da046865d57c102fd3ca9669a29845f67]

url:    https://github.com/intel-lab-lkp/linux/commits/Coiby-Xu/s390x-kdump-pass-dm-crypt-keys-to-kdump-kernel/20260116-183709
base:   7f98ab9da046865d57c102fd3ca9669a29845f67
patch link:    https://lore.kernel.org/r/20260116103347.523747-1-coxu%40redhat.com
patch subject: [RFC] s390x/kdump: pass dm-crypt keys to kdump kernel
config: s390-randconfig-002-20260118 (https://download.01.org/0day-ci/archive/20260118/202601182109.oKlosNBC-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260118/202601182109.oKlosNBC-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/202601182109.oKlosNBC-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: dm_crypt_keys_addr
   >>> referenced by crash_dump.c:0 (arch/s390/kernel/crash_dump.c:0)
   >>>               arch/s390/kernel/crash_dump.o:(dm_crypt_keys_read) in archive vmlinux.a

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