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SubjectRe: [PATCH 2/2] powerpc/mobility: disabling hard lockup watchdog during LPM
Hi Laurent,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on v5.18 next-20220603]
[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]

url: https://github.com/intel-lab-lkp/linux/commits/Laurent-Dufour/Disabling-NMI-watchdog-during-LPM-s-memory-transfer/20220601-235741
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc64-randconfig-r002-20220605 (https://download.01.org/0day-ci/archive/20220606/202206060910.rYNTFqdI-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/d409d8549db37257e33691523100679a23cfd887
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Laurent-Dufour/Disabling-NMI-watchdog-during-LPM-s-memory-transfer/20220601-235741
git checkout d409d8549db37257e33691523100679a23cfd887
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

powerpc64-linux-ld: warning: discarding dynamic section .glink
powerpc64-linux-ld: warning: discarding dynamic section .plt
powerpc64-linux-ld: linkage table error against `watchdog_nmi_stop'
powerpc64-linux-ld: stubs don't match calculated size
powerpc64-linux-ld: can not build stubs: bad value
powerpc64-linux-ld: arch/powerpc/platforms/pseries/mobility.o: in function `.pseries_migrate_partition':
>> arch/powerpc/platforms/pseries/mobility.c:705: undefined reference to `.watchdog_nmi_stop'
>> powerpc64-linux-ld: arch/powerpc/platforms/pseries/mobility.c:715: undefined reference to `.watchdog_nmi_start'


vim +705 arch/powerpc/platforms/pseries/mobility.c

693
694 static int pseries_migrate_partition(u64 handle)
695 {
696 int ret;
697
698 ret = wait_for_vasi_session_suspending(handle);
699 if (ret)
700 return ret;
701
702 vas_migration_handler(VAS_SUSPEND);
703
704 pr_debug("Disabling the NMI watchdog\n");
> 705 watchdog_nmi_stop();
706
707 ret = pseries_suspend(handle);
708 if (ret == 0) {
709 post_mobility_fixup();
710 wait_for_vasi_session_completed(handle);
711 } else
712 pseries_cancel_migration(handle, ret);
713
714 pr_debug("Enabling the NMI watchdog again\n");
> 715 watchdog_nmi_start();
716
717 vas_migration_handler(VAS_RESUME);
718
719 return ret;
720 }
721

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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