Hi "Björn, I love your patch! Perhaps something to improve: [auto build test WARNING on bpf-next/master] [also build test WARNING on next-20191122] [cannot apply to v5.4-rc8] [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/Bj-rn-T-pel/Introduce-xdp_call-h-and-the-BPF-dispatcher/20191120-074435 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master reproduce: # apt-get install sparse # sparse version: v0.6.1-36-g9305d48-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot sparse warnings: (new ones prefixed by >>) drivers/net/ethernet/intel/i40e/i40e_main.c:5904:32: sparse: sparse: cast from restricted __le16 drivers/net/ethernet/intel/i40e/i40e_main.c:5904:30: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] stat_counter_idx @@ got resunsigned short [usertype] stat_counter_idx @@ drivers/net/ethernet/intel/i40e/i40e_main.c:5904:30: sparse: expected unsigned short [usertype] stat_counter_idx drivers/net/ethernet/intel/i40e/i40e_main.c:5904:30: sparse: got restricted __le16 [usertype] drivers/net/ethernet/intel/i40e/i40e_main.c:7564:29: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [assigned] [usertype] ipa @@ got ed int [assigned] [usertype] ipa @@ drivers/net/ethernet/intel/i40e/i40e_main.c:7564:29: sparse: expected unsigned int [assigned] [usertype] ipa drivers/net/ethernet/intel/i40e/i40e_main.c:7564:29: sparse: got restricted __le32 [usertype] drivers/net/ethernet/intel/i40e/i40e_main.c:7564:29: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [assigned] [usertype] ipa @@ got ed int [assigned] [usertype] ipa @@ drivers/net/ethernet/intel/i40e/i40e_main.c:7564:29: sparse: expected unsigned int [assigned] [usertype] ipa drivers/net/ethernet/intel/i40e/i40e_main.c:7564:29: sparse: got restricted __le32 [usertype] >> drivers/net/ethernet/intel/i40e/i40e_main.c:12521:1: sparse: sparse: symbol '____xdp_call_i40e_xdp_call_tramp' was not declared. Should it be static? arch/x86/include/asm/bitops.h:77:37: sparse: sparse: cast truncates bits from constant value (ffffff7f becomes 7f) arch/x86/include/asm/bitops.h:77:37: sparse: sparse: cast truncates bits from constant value (ffffff7f becomes 7f) 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@lists.01.org Intel Corporation