tree: https://git.kernel.org/pub/scm/linux/kernel/git/dborkman/bpf.git pr/bpf-tstamp head: f7d619a946e981177777983af26e9e31163ffb38 commit: f7d619a946e981177777983af26e9e31163ffb38 [3/3] net: skb clock bases config: hexagon-randconfig-r045-20210928 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project dc6e8dfdfe7efecfda318d43a06fae18b40eb498) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/dborkman/bpf.git/commit/?id=f7d619a946e981177777983af26e9e31163ffb38 git remote add dborkman-bpf https://git.kernel.org/pub/scm/linux/kernel/git/dborkman/bpf.git git fetch --no-tags dborkman-bpf pr/bpf-tstamp git checkout f7d619a946e981177777983af26e9e31163ffb38 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash kernel/bpf/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from kernel/bpf/btf.c:22: In file included from include/linux/skmsg.h:13: >> include/net/tcp.h:812:27: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' return tcp_ns_to_ts(skb->skb_mstamp_ns); ~~~ ^ include/net/tcp.h:818:22: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' return div_u64(skb->skb_mstamp_ns, NSEC_PER_USEC); ~~~ ^ include/net/tcp.h:2367:8: error: no member named 'skb_mstamp_ns' in 'struct sk_buff' skb->skb_mstamp_ns += (u64)tp->tcp_tx_delay * NSEC_PER_USEC; ~~~ ^ 3 errors generated. vim +812 include/net/tcp.h ^1da177e4c3f41 Linus Torvalds 2005-04-16 809 7faee5c0d51416 Eric Dumazet 2014-09-05 810 static inline u32 tcp_skb_timestamp(const struct sk_buff *skb) 7faee5c0d51416 Eric Dumazet 2014-09-05 811 { 200ecef67b8d09 Eric Dumazet 2019-11-07 @812 return tcp_ns_to_ts(skb->skb_mstamp_ns); 7faee5c0d51416 Eric Dumazet 2014-09-05 813 } 7faee5c0d51416 Eric Dumazet 2014-09-05 814 :::::: The code at line 812 was first introduced by commit :::::: 200ecef67b8d09d16ec55f91c92751dcc7a38d40 tcp: Remove one extra ktime_get_ns() from cookie_init_timestamp :::::: TO: Eric Dumazet :::::: CC: David S. Miller --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org