bpf: Create file bpf iterator

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To produce a file bpf iterator, the fd must be
corresponding to a link_fd assocciated with a
trace/iter program. When the pinned file is
opened, a seq_file will be generated.

Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200509175906.2475893-1-yhs@fb.com

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Yonghong Song 2020-05-09 10:59:06 -07:00 • committed by Alexei Starovoitov

parent ac51d99bf8

commit 367ec3e483

3 changed files with 22 additions and 2 deletions

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2

include/linux/bpf.h

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17

kernel/bpf/bpf_iter.c

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5

kernel/bpf/inode.c

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