Re: [PATCH v3 4/4] KVM: selftests: Add bus lock exit test

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

Hi Manali,

kernel test robot noticed the following build warnings:

[auto build test WARNING on efbc6bd090f48ccf64f7a8dd5daea775821d57ec]

url:    https://github.com/intel-lab-lkp/linux/commits/Manali-Shukla/x86-cpufeatures-Add-CPUID-feature-bit-for-the-Bus-Lock-Threshold/20241004-133639
base:   efbc6bd090f48ccf64f7a8dd5daea775821d57ec
patch link:    https://lore.kernel.org/r/20241004053341.5726-5-manali.shukla%40amd.com
patch subject: [PATCH v3 4/4] KVM: selftests: Add bus lock exit test
:::::: branch date: 2 days ago
:::::: commit date: 2 days ago
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241006/202410060638.ZXRqIbIj-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/202410060638.ZXRqIbIj-lkp@intel.com/

All warnings (new ones prefixed by >>):

   x86_64/kvm_buslock_test.c: In function 'buslock_add':
>> x86_64/kvm_buslock_test.c:36:39: warning: taking address of packed member of 'struct buslock_test' may result in an unaligned pointer value [-Waddress-of-packed-member]
      36 |                 buslock_atomic_add(2, &test.val);
         |                                       ^~~~~~~~~
   At top level:
   cc1: note: unrecognized command-line option '-Wno-gnu-variable-sized-type-not-at-end' may have been intended to silence earlier diagnostics

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