Hi Aaron, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on kvm/queue] [also build test WARNING on next-20220701] [cannot apply to mst-vhost/linux-next linus/master v5.19-rc4] [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/intel-lab-lkp/linux/commits/Aaron-Lewis/MSR-Filtering-updates/20220704-031727 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220704/202207040455.aag6l8Io-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/0c12a0d47fb511592df45bf2030cc200b5bab5ef git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Aaron-Lewis/MSR-Filtering-updates/20220704-031727 git checkout 0c12a0d47fb511592df45bf2030cc200b5bab5ef # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/kvm/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> arch/x86/kvm/x86.c:1715:6: warning: no previous prototype for 'kvm_msr_filtering_disallowed' [-Wmissing-prototypes] 1715 | bool kvm_msr_filtering_disallowed(u32 index) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/kvm_msr_filtering_disallowed +1715 arch/x86/kvm/x86.c 1714 > 1715 bool kvm_msr_filtering_disallowed(u32 index) 1716 { 1717 /* x2APIC MSRs do not support filtering. */ 1718 if (index >= 0x800 && index <= 0x8ff) 1719 return true; 1720 1721 return false; 1722 } 1723 -- 0-DAY CI Kernel Test Service https://01.org/lkp
