[android-common:android17-6.18 2/2] arch/arm64/kvm/pkvm.c:70:3: warning: unused variable 'host_s2_mode'

[android-common:android17-6.18 2/2] arch/arm64/kvm/pkvm.c:70:3: warning: unused variable 'host_s2_mode'

[kernel test robot]

tree:   https://android.googlesource.com/kernel/common android17-6.18
head:   e11a237a359eaf99627d25e0c1f026d9a108cf96
commit: a834e9b6ddb8d401b3ded1fb0bf4906024f99228 [2/2] ANDROID: KVM: arm64: Add kvm-arm.host_s2 cmdline knob
config: arm64-randconfig-002-20260331 (https://download.01.org/0day-ci/archive/20260331/202603311525.cZcOlkBP-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260331/202603311525.cZcOlkBP-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/202603311525.cZcOlkBP-lkp@intel.com/

All warnings (new ones prefixed by >>):

   arch/arm64/kvm/pkvm.c:1063:6: warning: variable 'pages' set but not used [-Wunused-but-set-variable]
    1063 |         u64 pages, nr_busy;
         |             ^
>> arch/arm64/kvm/pkvm.c:70:3: warning: unused variable 'host_s2_mode' [-Wunused-variable]
      70 | } host_s2_mode;
         |   ^~~~~~~~~~~~
   2 warnings generated.


vim +/host_s2_mode +70 arch/arm64/kvm/pkvm.c

    66	
    67	static enum {
    68		PKVM_HOST_S2_CMA,
    69		PKVM_HOST_S2_CARVEOUT,
  > 70	} host_s2_mode;
    71	

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https://github.com/intel/lkp-tests/wiki