diff options
| author |   Martin KaFai Lau <kafai@fb.com> | 2020-01-08 16:34:59 -0800 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2020-01-09 08:46:18 -0800 |
| commit | 218b3f65f9081f5e1bffe6de5f0f4b22c935410b (patch) | |
| tree | 9d66fc821e86ac07295f33718371c80390838e46 /kernel/bpf | |
| parent | bpf: Avoid storing modifier to info->btf_id (diff) | |
| download | linux-dev-218b3f65f9081f5e1bffe6de5f0f4b22c935410b.tar.xz linux-dev-218b3f65f9081f5e1bffe6de5f0f4b22c935410b.zip | |
bpf: Add enum support to btf_ctx_access()
It allows bpf prog (e.g. tracing) to attach
to a kernel function that takes enum argument.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20200109003459.3855366-1-kafai@fb.com
Diffstat (limited to 'kernel/bpf')
| -rw-r--r-- | kernel/bpf/btf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 497ecf62d79d..6a5ccb748a72 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -3677,7 +3677,7 @@ bool btf_ctx_access(int off, int size, enum bpf_access_type type, /* skip modifiers */ while (btf_type_is_modifier(t)) t = btf_type_by_id(btf, t->type); - if (btf_type_is_int(t)) + if (btf_type_is_int(t) || btf_type_is_enum(t)) /* accessing a scalar */ return true; if (!btf_type_is_ptr(t)) { |