[net-next:master 1065/1071] sockmap.c:undefined reference to `strp_done'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head:   cf9d01405925e3f8144c99d7bf7b184449794066
commit: 174a79ff9515f400b9a6115643dafd62a635b7e6 [1065/1071] bpf: sockmap with sk redirect support
config: i386-randconfig-n0-201733 (attached as .config)
compiler: gcc-4.8 (Debian 4.8.4-1) 4.8.4
reproduce:
        git checkout 174a79ff9515f400b9a6115643dafd62a635b7e6
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   kernel/bpf/sockmap.o: In function `smap_gc_work':

quoted

sockmap.c:(.text+0x28f): undefined reference to `strp_done'

   kernel/bpf/sockmap.o: In function `smap_data_ready':

quoted

sockmap.c:(.text+0x4cc): undefined reference to `strp_data_ready'

   kernel/bpf/sockmap.o: In function `smap_release_sock':

quoted

sockmap.c:(.text+0x54c): undefined reference to `strp_stop'

   kernel/bpf/sockmap.o: In function `sock_map_ctx_update_elem.isra.6':
   sockmap.c:(.text+0x9f1): undefined reference to `strp_stop'

quoted

sockmap.c:(.text+0xa58): undefined reference to `strp_init'

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