bpf: allow networking programs to use bpf_trace_printk() for debugging

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bpf_trace_printk() is a helper function used to debug eBPF programs.
Let socket and TC programs use it as well.
Note, it's DEBUG ONLY helper. If it's used in the program,
the kernel will print warning banner to make sure users don't use
it in production.

Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Alexei Starovoitov 2015-06-12 19:39:13 -07:00 • committed by David S. Miller

parent ffeedafbf0

commit 0756ea3e85

4 changed files with 19 additions and 8 deletions

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include/linux/bpf.h

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