2:39 p.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/batch
head: 5f1f613266bf58f8424a93e1f8b99c4ac8fa6c2b
commit: 12ea728e52b0432131a800281f2015a7358b3d81 [17/29] bpf: Resolve id in
bpf_tramp_id_single
config: i386-randconfig-c023-20211118 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
#
https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id...
git remote add jolsa-perf
https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
git fetch --no-tags jolsa-perf bpf/batch
git checkout 12ea728e52b0432131a800281f2015a7358b3d81
# save the attached .config to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
ld: kernel/bpf/trampoline.o: in function `bpf_tramp_id_single':
> kernel/bpf/trampoline.c:118: undefined reference to
`bpf_check_attach_target'
> ld: kernel/bpf/trampoline.c:129: undefined reference to `btf_obj_id'
ld:
kernel/bpf/trampoline.o: in function `bpf_tramp_attach':
kernel/bpf/trampoline.c:644: undefined reference to `bpf_check_attach_model'
vim +118 kernel/bpf/trampoline.c
106
107 struct bpf_tramp_id *bpf_tramp_id_single(const struct bpf_prog *tgt_prog,
108 struct bpf_prog *prog, u32 btf_id,
109 struct bpf_attach_target_info *tgt_info)
110 {
111 struct bpf_tramp_id *id;
112
113 if (!tgt_info) {
114 struct bpf_attach_target_info __tgt_info = {};
115 int err;
116
117 tgt_info = &__tgt_info;
118 err = bpf_check_attach_target(NULL, prog, tgt_prog, btf_id,
119 tgt_info);
120 if (err)
121 return ERR_PTR(err);
122 }
123 id = bpf_tramp_id_alloc(1);
124 if (!id)
125 return ERR_PTR(-ENOMEM);
126 if (tgt_prog)
127 id->obj_id = tgt_prog->aux->id;
128 else
129 id->obj_id = btf_obj_id(prog->aux->attach_btf);
130 id->id[0] = btf_id;
131 id->addr[0] = (void *) tgt_info->tgt_addr;
132 id->cnt = 1;
133 return id;
134 }
135
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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org