On 04/18/2016 01:55 AM, kbuild test robot wrote:
Hi Daniel,
[auto build test ERROR on net-next/master]
url:
https://github.com/0day-ci/linux/commits/Daniel-Borkmann/bpf-trace-add-BPF_F_CURRENT_CPU-flag-for-bpf_perf_event_output/20160418-063147
config: m68k-allyesconfig (attached as .config)
reproduce:
wget
https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross
-O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=m68k
All errors (new ones prefixed by >>):
net/core/filter.c: In function 'bpf_skb_event_output':
net/core/filter.c:1599:2: error: implicit declaration of function
'perf_fetch_caller_regs' [-Werror=implicit-function-declaration]
perf_fetch_caller_regs(regs);
^
cc1: some warnings being treated as errors
vim +/perf_fetch_caller_regs +1599 net/core/filter.c
1593 static DEFINE_PER_CPU(struct pt_regs, bpf_pt_regs);
1594
1595 static u64 bpf_skb_event_output(u64 r1, u64 r2, u64 flags, u64 r4, u64
size)
1596 {
1597 struct pt_regs *regs = this_cpu_ptr(&bpf_pt_regs);
1598
1599 perf_fetch_caller_regs(regs);
1600
1601 return bpf_perf_event_output((long)regs, r2, flags, r4, size);
1602 }
Sorry about that, missed this one. Will fix it up in v2!
Thanks,
Daniel
