Hi Kuppuswamy, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on tip/x86/core] [also build test ERROR on tip/master linux/master linus/master v5.13-rc4 next-20210528] [cannot apply to luto/next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Kuppuswamy-Sathyanarayanan/x86-tdx-ioapic-Add-shared-bit-for-IOAPIC-base-address/20210601-102809 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 2c88d45edbb89029c1190bb3b136d2602f057c98 config: x86_64-randconfig-a002-20210601 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project db26cd30b6dd65e88d786e97a1e453af5cd48966) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/837965b9dfc7504b80b412e75288d2558e7c36b7 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Kuppuswamy-Sathyanarayanan/x86-tdx-ioapic-Add-shared-bit-for-IOAPIC-base-address/20210601-102809 git checkout 837965b9dfc7504b80b412e75288d2558e7c36b7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> arch/x86/kernel/apic/io_apic.c:52:10: fatal error: 'linux/protected_guest.h' file not found #include ^~~~~~~~~~~~~~~~~~~~~~~~~ 1 error generated. vim +52 arch/x86/kernel/apic/io_apic.c > 52 #include 53 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org