Re: [linux-next:master 1576/1892] s390-linux-ld: kexec.c:undefined reference to `crashk_low_res'

[Baoquan He <bhe@redhat.com>]

On 01/26/24 at 07:45pm, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head:   01af33cc9894b4489fb68fa35c40e9fe85df63dc
> commit: ad82e944d12ca472df041acb4c732bd630a81b90 [1576/1892] s390, crash: wrap crash dumping code into crash related ifdefs
> config: s390-randconfig-r131-20230823 (https://download.01.org/0day-ci/archive/20240126/202401261933.gyy8YHnT-lkp@intel.com/config)
> compiler: s390-linux-gcc (GCC) 13.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240126/202401261933.gyy8YHnT-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/202401261933.gyy8YHnT-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>    s390-linux-ld: arch/s390/kernel/machine_kexec.o: in function `arch_crash_save_vmcoreinfo':
>    machine_kexec.c:(.text+0x274): undefined reference to `vmcoreinfo_append_str'
>    s390-linux-ld: machine_kexec.c:(.text+0x28c): undefined reference to `vmcoreinfo_append_str'
>    s390-linux-ld: machine_kexec.c:(.text+0x2a2): undefined reference to `vmcoreinfo_append_str'
>    s390-linux-ld: machine_kexec.c:(.text+0x2c4): undefined reference to `vmcoreinfo_append_str'
>    s390-linux-ld: machine_kexec.c:(.text+0x2e6): undefined reference to `vmcoreinfo_append_str'
>    s390-linux-ld: arch/s390/kernel/machine_kexec.o:machine_kexec.c:(.text+0x308): more undefined references to `vmcoreinfo_append_str' follow
>    s390-linux-ld: arch/s390/kernel/machine_kexec.o: in function `arch_crash_save_vmcoreinfo':
>    machine_kexec.c:(.text+0x340): undefined reference to `paddr_vmcoreinfo_note'
>    s390-linux-ld: drivers/of/kexec.o: in function `of_kexec_alloc_and_setup_fdt':
>    kexec.c:(.text+0x60c): undefined reference to `crashk_res'
> >> s390-linux-ld: kexec.c:(.text+0x660): undefined reference to `crashk_low_res'

Sorry for late response. These have been fixed in below patches.

[PATCH linux-next 3/3] arch, crash: move arch_crash_save_vmcoreinfo() out to file vmcore_info.c
https://lore.kernel.org/all/20240129135033.157195-3-bhe@redhat.com/T/#u

[PATCH linux-next 2/3] crash: fix building error in generic codes
https://lore.kernel.org/all/20240129135033.157195-2-bhe@redhat.com/T/#u