[android-common:android15-6.6-desktop 2/2] arch/x86/include/asm/pkvm.h:151:39: warning: declaration of 'struct tdx_module_output' will not be visible outside of this function

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

tree:   https://android.googlesource.com/kernel/common android15-6.6-desktop
head:   1340b52753f1557497f8d399a5e8ec6bf6a76002
commit: 1cd69cd68d8470b2504c03c331dca866646cacff [2/2] Merge branch 'android15-6.6-2aa57daa75e0' into android15-6.6-desktop
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20250226/202502261003.oSgTw6h8-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250226/202502261003.oSgTw6h8-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/202502261003.oSgTw6h8-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from arch/x86/coco/pkvm/pkvm.c:10:
>> arch/x86/include/asm/pkvm.h:151:39: warning: declaration of 'struct tdx_module_output' will not be visible outside of this function [-Wvisibility]
     151 | u64 __pkvm_module_call(u64 fn, struct tdx_module_output *out);
         |                                       ^
   arch/x86/coco/pkvm/pkvm.c:53:27: error: variable has incomplete type 'struct tdx_module_output'
      53 |         struct tdx_module_output out;
         |                                  ^
   arch/x86/coco/pkvm/pkvm.c:53:9: note: forward declaration of 'struct tdx_module_output'
      53 |         struct tdx_module_output out;
         |                ^
   1 warning and 1 error generated.
--
   In file included from arch/x86/kernel/cpu/pkvm.c:7:
>> arch/x86/include/asm/pkvm.h:151:39: warning: declaration of 'struct tdx_module_output' will not be visible outside of this function [-Wvisibility]
     151 | u64 __pkvm_module_call(u64 fn, struct tdx_module_output *out);
         |                                       ^
   1 warning generated.


vim +151 arch/x86/include/asm/pkvm.h

317d3034702744 Shaoqin Huang 2022-12-06  150  
0b97a4c41ed1bc Shaoqin Huang 2022-12-07 @151  u64 __pkvm_module_call(u64 fn, struct tdx_module_output *out);
0b97a4c41ed1bc Shaoqin Huang 2022-12-07  152  

:::::: The code at line 151 was first introduced by commit
:::::: 0b97a4c41ed1bcb8f14bd5c08e1714877bb0c2a8 ANDROID: pkvm: x86: Add pkvm guest virtualization exception (#VE)

:::::: TO: Shaoqin Huang <shaoqin.huang@intel.com>
:::::: CC: Tomasz Nowicki <tnowicki@google.com>

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