Hi Daniel, I love your patch! Yet something to improve: [auto build test ERROR on bpf-next/master] [cannot apply to v5.4-rc8 next-20191122] [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/Daniel-Borkmann/bpf-add-bpf_jit_blinding_enabled-for-CONFIG_BPF_JIT/20191125-042008 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: i386-tinyconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-14) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): In file included from include/net/sock.h:59:0, from include/linux/tcp.h:19, from include/linux/ipv6.h:87, from include/net/ipv6.h:12, from include/linux/sunrpc/clnt.h:28, from include/linux/nfs_fs.h:32, from init/do_mounts.c:23: >> include/linux/filter.h:1061:20: error: redefinition of 'bpf_jit_blinding_enabled' static inline bool bpf_jit_blinding_enabled(struct bpf_prog *prog) ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/filter.h:1056:20: note: previous definition of 'bpf_jit_blinding_enabled' was here static inline bool bpf_jit_blinding_enabled(struct bpf_prog *prog) ^~~~~~~~~~~~~~~~~~~~~~~~ vim +/bpf_jit_blinding_enabled +1061 include/linux/filter.h 1060 > 1061 static inline bool bpf_jit_blinding_enabled(struct bpf_prog *prog) 1062 { 1063 return false; 1064 } 1065 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation