tree 0fc782abaf28472410258213e47cc1ee0a4195fc
parent 7d824ef66d51fe919a9cb6c7e7dd30d8379f8162
author Alexei Starovoitov <ast@plumgrid.com> 1408563873 -0700
committer Alexei Starovoitov <ast@plumgrid.com> 1422415986 -0800

tracing: allow eBPF programs to call bpf_printk()

Debugging of eBPF programs needs some form of printk from the program,
so let programs call limited trace_printk() with %d %u %x %p modifiers only.

Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>