[intel-tdx:kvm-upstream-workaround 57/327] include/uapi/linux/const.h:28:33: error: left shift count >= width of type

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

tree:   https://github.com/intel/tdx.git kvm-upstream-workaround
head:   148ce77f987a3cf12193c1f81baa78f41cf13154
commit: 37b118268ccf73d8e9cc1ef8f9fb7376fb732d60 [57/327] KVM: TDX: Add C wrapper functions for SEAMCALLs to the TDX module
config: i386-defconfig (https://download.01.org/0day-ci/archive/20230529/202305292317.pb0Pz05d-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build):
        # https://github.com/intel/tdx/commit/37b118268ccf73d8e9cc1ef8f9fb7376fb732d60
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx kvm-upstream-workaround
        git checkout 37b118268ccf73d8e9cc1ef8f9fb7376fb732d60
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/i915/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305292317.pb0Pz05d-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/vdso/const.h:5,
                    from include/linux/const.h:4,
                    from include/linux/bits.h:5,
                    from include/linux/ioport.h:13,
                    from include/linux/acpi.h:12,
                    from drivers/gpu/drm/i915/i915_driver.c:30:
   arch/x86/include/asm/tdx.h: In function '__seamcall':
>> include/uapi/linux/const.h:28:33: error: left shift count >= width of type [-Werror=shift-count-overflow]
      28 | #define _BITUL(x)       (_UL(1) << (x))
         |                                 ^~
   arch/x86/include/asm/tdx.h:19:41: note: in expansion of macro '_BITUL'
      19 | #define TDX_ERROR                       _BITUL(63)
         |                                         ^~~~~~
   arch/x86/include/asm/tdx.h:20:42: note: in expansion of macro 'TDX_ERROR'
      20 | #define TDX_SW_ERROR                    (TDX_ERROR | GENMASK_ULL(47, 40))
         |                                          ^~~~~~~~~
   arch/x86/include/asm/tdx.h:24:42: note: in expansion of macro 'TDX_SW_ERROR'
      24 | #define TDX_SEAMCALL_UD                 (TDX_SW_ERROR | X86_TRAP_UD)
         |                                          ^~~~~~~~~~~~
   arch/x86/include/asm/tdx.h:114:70: note: in expansion of macro 'TDX_SEAMCALL_UD'
     114 |                              struct tdx_module_output *out) { return TDX_SEAMCALL_UD; };
         |                                                                      ^~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +28 include/uapi/linux/const.h

2dd8a62c647691 Masahiro Yamada 2018-04-10  27  
21e7bc600e3b66 Masahiro Yamada 2018-04-10 @28  #define _BITUL(x)	(_UL(1) << (x))
21e7bc600e3b66 Masahiro Yamada 2018-04-10  29  #define _BITULL(x)	(_ULL(1) << (x))
2fc016c5bd8aad H. Peter Anvin  2013-04-27  30  

:::::: The code at line 28 was first introduced by commit
:::::: 21e7bc600e3b662020c05fd0749bcf85f16336f7 linux/const.h: refactor _BITUL and _BITULL a bit

:::::: TO: Masahiro Yamada <yamada.masahiro@socionext.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

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