Re: [PATCH] KVM: Move VM's worker kthreads back to the original cgroups before exiting.

From: kernel test robot
Date: Tue Dec 14 2021 - 12:45:21 EST


Hi Vipin,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on d8f6ef45a623d650f9b97e11553adb4978f6aa70]

url: https://github.com/0day-ci/linux/commits/Vipin-Sharma/KVM-Move-VM-s-worker-kthreads-back-to-the-original-cgroups-before-exiting/20211214-130827
base: d8f6ef45a623d650f9b97e11553adb4978f6aa70
config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20211215/202112150131.MaZ9xOJx-lkp@xxxxxxxxx/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/fd29d23507ef3f06b61d9de1b7ecd1a0d70136f3
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Vipin-Sharma/KVM-Move-VM-s-worker-kthreads-back-to-the-original-cgroups-before-exiting/20211214-130827
git checkout fd29d23507ef3f06b61d9de1b7ecd1a0d70136f3
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "kthreadd_task" [arch/x86/kvm/kvm.ko] undefined!

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx