[android-common:android17-6.18 1/1] arch/arm64/kvm/pkvm.c:70:3: warning: unused variable 'host_s2_mode'

[android-common:android17-6.18 1/1] arch/arm64/kvm/pkvm.c:70:3: warning: unused variable 'host_s2_mode'

[kernel test robot]

Hi Vincent,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android17-6.18
head:   42ab2c618ff1c956ec994d575536c84aa9ceb1b3
commit: a834e9b6ddb8d401b3ded1fb0bf4906024f99228 [1/1] ANDROID: KVM: arm64: Add kvm-arm.host_s2 cmdline knob
config: arm64-randconfig-001-20260805 (https://download.01.org/0day-ci/archive/20260805/202608050625.Bgaq4oxM-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project bacfe2950f8218268fcc0a8765644ea0c15f0360)
rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260805/202608050625.Bgaq4oxM-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/202608050625.Bgaq4oxM-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:1807:9: warning: variable 'size' set but not used [-Wunused-but-set-variable]
    1807 |         size_t size;
         |                ^
>> arch/arm64/kvm/pkvm.c:70:3: warning: unused variable 'host_s2_mode' [-Wunused-variable]
      70 | } host_s2_mode;
         |   ^~~~~~~~~~~~
   3 warnings generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for SND_COMPRESS_ACCEL
   Depends on [n]: SOUND [=n] && SND [=n]
   Selected by [y]:
   - GKI_HIDDEN_SND_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for SND_JACK
   Depends on [n]: SOUND [=n] && SND [=n]
   Selected by [y]:
   - GKI_HIDDEN_SND_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for SND_VMASTER
   Depends on [n]: SOUND [=n] && SND [=n]
   Selected by [y]:
   - GKI_HIDDEN_SND_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for SND_JACK_INPUT_DEV
   Depends on [n]: SOUND [=n] && SND [=n] && SND_JACK [=y]
   Selected by [y]:
   - GKI_HIDDEN_SND_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for DIMLIB
   Depends on [n]: NET [=n]
   Selected by [y]:
   - GKI_HIDDEN_VIRTUAL_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for SND_PCM_ELD
   Depends on [n]: SOUND [=n] && SND [=n]
   Selected by [y]:
   - GKI_HIDDEN_SND_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for PHY_PACKAGE
   Depends on [n]: NETDEVICES [=n] && PHYLIB [=n]
   Selected by [y]:
   - GKI_HIDDEN_PHY_CONFIGS [=y]


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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