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(parent: 3b093ad) | patch
libbpf: Prevent loading vmlinux BTF twice
authorAndrii Nakryiko <andriin@fb.com>
Wed, 24 Jun 2020 04:38:05 +0000 (21:38 -0700)
committerDaniel Borkmann <daniel@iogearbox.net>
Wed, 24 Jun 2020 14:08:17 +0000 (16:08 +0200)
commit2c3ed100a14c2daf27b74545081e139fcc061898
treeaed8438045c9eff287d4c183bd90f0ab59a76af2tree | snapshot
parent3b093ad90e641e83da6c13a16b85eb7434a58988commit | diff
libbpf: Prevent loading vmlinux BTF twice

Prevent loading/parsing vmlinux BTF twice in some cases: for CO-RE relocations
and for BTF-aware hooks (tp_btf, fentry/fexit, etc).

Fixes: a6a9d324fe48 ("libbpf: Load btf_vmlinux only once per object.")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200624043805.1794620-1-andriin@fb.com
tools/lib/bpf/libbpf.c diff | blob | history
Linux Kernel Source Tree.