Files
linux-stable-mirror/include/linux
Yonghong Song 457d4ecb47 bpf: Remove unused BTF_FMODEL_STRUCT_ARG
Commit 814cba835e ("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
2026-08-03 14:55:22 +02:00
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