On 8/16/17 1:34 PM, John Fastabend wrote: >> I also have a build error. >> >> $ git grep -n __sock_map_lookup_elem >> include/linux/bpf.h:316:struct sock *__sock_map_lookup_elem(struct bpf_map >> *map, u32 key); >> kernel/bpf/sockmap.c:558:struct sock *__sock_map_lookup_elem(struct bpf_map >> *map, u32 key) >> net/core/filter.c:1881: sk = __sock_map_lookup_elem(ri->map, >> ri->ifindex); >> >> >> >> $ make ... >> ... >> net/core/filter.c: In function ‘do_sk_redirect_map’: >> net/core/filter.c:1881:3: error: implicit declaration of function >> ‘__sock_map_lookup_elem’ [-Werror=implicit-function-declaration] >> sk = __sock_map_lookup_elem(ri->map, ri->ifindex); >> ^ >> net/core/filter.c:1881:6: warning: assignment makes pointer from integer >> without a cast [enabled by default] >> sk = __sock_map_lookup_elem(ri->map, ri->ifindex); >> ^ >> cc1: some warnings being treated as errors >> make[2]: *** [net/core/filter.o] Error 1 >> make[2]: *** Waiting for unfinished jobs.... >> >> > > Thanks Eric, I'll have a fix shortly. >
And I have a different build error: $ make O=kbuild/rcu-lock-debug/ -j24 -s scripts/Makefile.kasan:25: CONFIG_KASAN: compiler does not support all options. Trying minimal configuration scripts/Makefile.kasan:25: CONFIG_KASAN: compiler does not support all options. Trying minimal configuration kernel/bpf/sockmap.o: In function `smap_stop_sock': /home/dsa/kernel-2.git/kernel/bpf/sockmap.c:297: undefined reference to `strp_stop' kernel/bpf/sockmap.o: In function `smap_gc_work': /home/dsa/kernel-2.git/kernel/bpf/sockmap.c:419: undefined reference to `strp_done' kernel/bpf/sockmap.o: In function `smap_data_ready': /home/dsa/kernel-2.git/kernel/bpf/sockmap.c:216: undefined reference to `strp_data_ready' kernel/bpf/sockmap.o: In function `smap_init_sock': /home/dsa/kernel-2.git/kernel/bpf/sockmap.c:373: undefined reference to `strp_init' /home/dsa/kernel-2.git/Makefile:1000: recipe for target 'vmlinux' failed make[1]: *** [vmlinux] Error 1 Makefile:145: recipe for target 'sub-make' failed make: *** [sub-make] Error 2 I'm guessing a missing CONFIG tie in.
