Re: [Patch v2 1/2] cgroup: SVM: Add Encryption ID controller

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

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Hi Vipin,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on cgroup/for-next]
[also build test ERROR on linus/master kvm/linux-next v5.10-rc7 next-20201208]
[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/0day-ci/linux/commits/Vipin-Sharma/cgroup-KVM-New-Encryption-IDs-cgroup-controller/20201209-054144
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-next
config: powerpc-mgcoge_defconfig (attached as .config)
compiler: powerpc-linux-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/5d4d9e81e4a44b0765f4ea7204176d6089f76be4
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Vipin-Sharma/cgroup-KVM-New-Encryption-IDs-cgroup-controller/20201209-054144
        git checkout 5d4d9e81e4a44b0765f4ea7204176d6089f76be4
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc 

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

All errors (new ones prefixed by >>):

   In file included from include/linux/kvm_host.h:30,
                    from arch/powerpc/include/asm/kvm_ppc.h:19,
                    from arch/powerpc/include/asm/dbell.h:17,
                    from arch/powerpc/kernel/asm-offsets.c:38:
>> include/linux/encryption_ids_cgroup.h:40:29: error: field 'css' has incomplete type
      40 |  struct cgroup_subsys_state css;
         |                             ^~~
--
   In file included from include/linux/kvm_host.h:30,
                    from arch/powerpc/include/asm/kvm_ppc.h:19,
                    from arch/powerpc/include/asm/dbell.h:17,
                    from arch/powerpc/kernel/asm-offsets.c:38:
>> include/linux/encryption_ids_cgroup.h:40:29: error: field 'css' has incomplete type
      40 |  struct cgroup_subsys_state css;
         |                             ^~~
   make[2]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1200: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:185: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.

vim +/css +40 include/linux/encryption_ids_cgroup.h

    33	
    34	/**
    35	 * struct encryption_id_cgroup - Encryption IDs controller's cgroup structure.
    36	 * @css: cgroup subsys state object.
    37	 * @ids: Array of encryption IDs resource usage in the cgroup.
    38	 */
    39	struct encryption_id_cgroup {
  > 40		struct cgroup_subsys_state css;
    41		struct encryption_id_res res[ENCRYPTION_ID_TYPES];
    42	};
    43	

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

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