[android-common:android13-5.15 1/1] arch/arm64/kvm/hyp/include/nvhe/mem_protect.h:57:41: error: initializer element is not constant

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

Hi Quentin,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android13-5.15
head:   48ed03a80ad49e3648c77d8c2c1ca10e706d6215
commit: f4c9f74c6bf846c2a77b25a8d93509e9ea00192a [1/1] ANDROID: BACKPORT: KVM: arm64: Zero protected guest pages on teardown
config: arm64-randconfig-001-20251224 (https://download.01.org/0day-ci/archive/20251224/202512241032.l0LWdACh-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251224/202512241032.l0LWdACh-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/202512241032.l0LWdACh-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from arch/arm64/kvm/hyp/nvhe/switch.c:29:0:
>> arch/arm64/kvm/hyp/include/nvhe/mem_protect.h:57:41: error: initializer element is not constant
    static const pkvm_id pkvm_host_poison = pkvm_hyp_id + 1;
                                            ^~~~~~~~~~~
   arch/arm64/kvm/hyp/include/nvhe/mem_protect.h:57:22: warning: 'pkvm_host_poison' defined but not used [-Wunused-const-variable=]
    static const pkvm_id pkvm_host_poison = pkvm_hyp_id + 1;
                         ^~~~~~~~~~~~~~~~
   arch/arm64/kvm/hyp/include/nvhe/mem_protect.h:55:22: warning: 'pkvm_host_id' defined but not used [-Wunused-const-variable=]
    static const pkvm_id pkvm_host_id = 0;
                         ^~~~~~~~~~~~
--
   In file included from arch/arm64/kvm/hyp/include/nvhe/iommu.h:8:0,
                    from arch/arm64/kvm/hyp/nvhe/mem_protect.c:19:
>> arch/arm64/kvm/hyp/include/nvhe/mem_protect.h:57:41: error: initializer element is not constant
    static const pkvm_id pkvm_host_poison = pkvm_hyp_id + 1;
                                            ^~~~~~~~~~~
   arch/arm64/kvm/hyp/nvhe/mem_protect.c: In function '__pkvm_host_reclaim_page':
   arch/arm64/kvm/hyp/nvhe/mem_protect.c:1804:2: error: case label does not reduce to an integer constant
     case pkvm_host_id:
     ^~~~
   arch/arm64/kvm/hyp/nvhe/mem_protect.c:1807:2: error: case label does not reduce to an integer constant
     case pkvm_host_poison:
     ^~~~


vim +57 arch/arm64/kvm/hyp/include/nvhe/mem_protect.h

    53	
    54	typedef u32 pkvm_id;
    55	static const pkvm_id pkvm_host_id	= 0;
    56	static const pkvm_id pkvm_hyp_id	= (1 << 16);
  > 57	static const pkvm_id pkvm_host_poison	= pkvm_hyp_id + 1;
    58	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki