Hi Yang, Thank you for the patch! Yet something to improve: [auto build test ERROR on kvm/linux-next] [also build test ERROR on next-20200331] [cannot apply to vhost/linux-next tip/auto-latest linus/master linux/master v5.6] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Yang-Weijiang/Introduce-support-... base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next config: i386-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-6) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): #include <asm/cet.h> ^~~~~~~~~~~ compilation terminated. vim +47 arch/x86/kvm/vmx/vmx.c 30 31 #include <asm/apic.h> 32 #include <asm/asm.h> 33 #include <asm/cpu.h> 34 #include <asm/debugreg.h> 35 #include <asm/desc.h> 36 #include <asm/fpu/internal.h> 37 #include <asm/io.h> 38 #include <asm/irq_remapping.h> 39 #include <asm/kexec.h> 40 #include <asm/perf_event.h> 41 #include <asm/mce.h> 42 #include <asm/mmu_context.h> 43 #include <asm/mshyperv.h> 44 #include <asm/spec-ctrl.h> 45 #include <asm/virtext.h> 46 #include <asm/vmx.h> 48 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org