bpf: Move stack_map_get_build_id into lib

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Moving stack_map_get_build_id into lib with
declaration in linux/buildid.h header:

  int build_id_parse(struct vm_area_struct *vma, unsigned char *build_id);

This function returns build id for given struct vm_area_struct.
There is no functional change to stack_map_get_build_id function.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20210114134044.1418404-2-jolsa@kernel.org

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This commit is contained in:

Jiri Olsa 2021-01-14 14:40:42 +01:00 • committed by Alexei Starovoitov

parent 7064a7341a

commit bd7525dacd

4 changed files with 153 additions and 140 deletions

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11

include/linux/buildid.h

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143

kernel/bpf/stackmap.c

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3

lib/Makefile

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136

lib/buildid.c

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