Hi Kommula, kernel test robot noticed the following build warnings:
[auto build test WARNING on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Kommula-Shiva-Shankar/net-implement-virtio-helper-to-handle-outer-nw-offset/20250924-042602 base: net-next/main patch link: https://lore.kernel.org/r/20250923202258.2738717-4-kshankar%40marvell.com patch subject: [PATCH v1 net-next 3/3] vhost/net: enable outer nw header offset support. config: arc-randconfig-r071-20250924 (https://download.01.org/0day-ci/archive/20250924/[email protected]/config) compiler: arc-linux-gcc (GCC) 13.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250924/[email protected]/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): In file included from include/linux/bits.h:5, from include/linux/bitops.h:6, from include/linux/log2.h:12, from include/asm-generic/div64.h:55, from ./arch/arc/include/generated/asm/div64.h:1, from include/linux/math.h:6, from include/linux/math64.h:6, from include/linux/time.h:6, from include/linux/compat.h:10, from drivers/vhost/net.c:8: >> include/vdso/bits.h:8:33: warning: excess elements in array initializer 8 | #define BIT_ULL(nr) (ULL(1) << (nr)) | ^ include/linux/virtio_features.h:10:33: note: in expansion of macro 'BIT_ULL' 10 | #define VIRTIO_BIT(b) BIT_ULL((b) & 0x3f) | ^~~~~~~ drivers/vhost/net.c:81:9: note: in expansion of macro 'VIRTIO_BIT' 81 | VIRTIO_BIT(VIRTIO_NET_F_OUT_NET_HEADER), | ^~~~~~~~~~ include/vdso/bits.h:8:33: note: (near initialization for 'vhost_net_features') 8 | #define BIT_ULL(nr) (ULL(1) << (nr)) | ^ include/linux/virtio_features.h:10:33: note: in expansion of macro 'BIT_ULL' 10 | #define VIRTIO_BIT(b) BIT_ULL((b) & 0x3f) | ^~~~~~~ drivers/vhost/net.c:81:9: note: in expansion of macro 'VIRTIO_BIT' 81 | VIRTIO_BIT(VIRTIO_NET_F_OUT_NET_HEADER), | ^~~~~~~~~~ vim +8 include/vdso/bits.h 3945ff37d2f48d Vincenzo Frascino 2020-03-20 6 3945ff37d2f48d Vincenzo Frascino 2020-03-20 7 #define BIT(nr) (UL(1) << (nr)) cbdb1f163af2bb Andy Shevchenko 2022-11-28 @8 #define BIT_ULL(nr) (ULL(1) << (nr)) 3945ff37d2f48d Vincenzo Frascino 2020-03-20 9 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
