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samples, bpf: Move read_trace_pipe to trace_helpers

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To reduce the reliance of trace samples (trace*_user) on bpf_load,
move read_trace_pipe to trace_helpers. By moving this bpf_loader helper
elsewhere, trace functions can be easily migrated to libbbpf.

Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200321100424.1593964-2-danieltimlee@gmail.com
This commit is contained in:
Daniel T. Lee
2020-03-21 19:04:23 +09:00
committed by Daniel Borkmann
parent c9b2431204
commit 24a6034acc
7 changed files with 28 additions and 23 deletions
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samples/bpf/bpf_load.h
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@@ -53,6 +53,5 @@ extern int map_data_count;
int load_bpf_file(char *path);
int load_bpf_file_fixup_map(const char *path, fixup_map_cb fixup_map);
void read_trace_pipe(void);
int bpf_set_link_xdp_fd(int ifindex, int fd, __u32 flags);
#endif