Hi Wanpeng, I love your patch! Perhaps something to improve: [auto build test WARNING on kvm/linux-next] [also build test WARNING on v5.4-rc6 next-20191108] [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/Wanpeng-Li/KVM-X86-Single-target-IPI-fastpath/20191110-081303 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> coccinelle warnings: (new ones prefixed by >>) >> arch/x86/kvm/vmx/vmx.c:6509:3-4: Unneeded semicolon arch/x86/kvm/vmx/vmx.c:6510:2-3: Unneeded semicolon Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation