diff options
| author | Yonghong Song <yonghong.song@linux.dev> | 2026-08-02 22:27:26 -0700 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2026-08-03 14:55:22 +0200 |
| commit | 457d4ecb47aaf7a2cb46aaadd76e8c812e4f3c9e (patch) | |
| tree | 4606df6ca4e7422930d3eab49828f2eba5c738eb /kernel | |
| parent | 60781269e26c786de2bb93fb1e697a5c32ccee48 (diff) | |
bpf: Remove unused BTF_FMODEL_STRUCT_ARG
Commit 814cba835ef6 ("bpf, x86: Fix trampoline stack size for 128-bit
arguments") changed the x86 trampoline to compute the number of
registers from arg_size for every argument, which removed the last user
of BTF_FMODEL_STRUCT_ARG. No other architecture or verifier code looks
at the flag, so remove the macro and the code in __get_type_fmodel_flags()
which sets it.
Keep BTF_FMODEL_SIGNED_ARG at BIT(1) rather than renumbering it to
BIT(0), so BIT(0) is available for a future flag.
No functional change.
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Leon Hwang <leon.hwang@linux.dev>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20260803052726.2821447-1-yonghong.song@linux.dev
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/bpf/btf.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 5e8ac45ce56a..42414633cf26 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -7533,8 +7533,6 @@ static u8 __get_type_fmodel_flags(const struct btf_type *t) { u8 flags = 0; - if (btf_type_is_struct(t)) - flags |= BTF_FMODEL_STRUCT_ARG; if (btf_type_is_signed_int(t)) flags |= BTF_FMODEL_SIGNED_ARG; |