x86/sev_smoke_test.c:231:13: warning: 'test_sev_smoke' defined but not used

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

tree:   https://github.com/intel-lab-lkp/linux/commits/Ackerley-Tng/KVM-selftests-Initialize-guest_memfd-with-INIT_SHARED/20260512-184801
head:   bdb144cb86b6b1bf65cdbd4097bf557b940e24e4
commit: bdb144cb86b6b1bf65cdbd4097bf557b940e24e4 KVM: selftests: Test conversions for SNP
config: x86_64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260513/202605130053.LhXDf3Xj-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260513/202605130053.LhXDf3Xj-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/r/202605130053.LhXDf3Xj-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> x86/sev_smoke_test.c:231:13: warning: 'test_sev_smoke' defined but not used [-Wunused-function]
     231 | static void test_sev_smoke(void *guest, u32 type, u64 policy)
         |             ^~~~~~~~~~~~~~
>> x86/sev_smoke_test.c:73:13: warning: 'guest_sev_code' defined but not used [-Wunused-function]
      73 | static void guest_sev_code(void)
         |             ^~~~~~~~~~~~~~
>> x86/sev_smoke_test.c:43:13: warning: 'guest_snp_code' defined but not used [-Wunused-function]
      43 | static void guest_snp_code(void)
         |             ^~~~~~~~~~~~~~
   cc1: note: unrecognized command-line option '-Wno-gnu-variable-sized-type-not-at-end' may have been intended to silence earlier diagnostics

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