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libbpf: Skip bpf_object__probe_loading for light skeleton

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I'm getting the following error when running 'gen skeleton -L' as
regular user:

libbpf: Error in bpf_object__probe_loading():Operation not permitted(1).
Couldn't load trivial BPF program. Make sure your kernel supports BPF
(CONFIG_BPF_SYSCALL=y) and/or that RLIMIT_MEMLOCK is set to big enough
value.

Fixes: 67234743736a ("libbpf: Generate loader program out of BPF ELF file.")
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210521030653.2626513-1-sdf@google.com
This commit is contained in:
Stanislav Fomichev
2021-05-20 20:06:53 -07:00
committed by Andrii Nakryiko
parent 546199a723
commit b79c698300
1 changed files with 3 additions and 0 deletions
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3
src/libbpf.c
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@@ -3974,6 +3974,9 @@ bpf_object__probe_loading(struct bpf_object *obj)
}; };
int ret; int ret;
if (obj->gen_loader)
return 0;
/* make sure basic loading works */ /* make sure basic loading works */
memset(&attr, 0, sizeof(attr)); memset(&attr, 0, sizeof(attr));