From: Leon Hwang <leon.hwang@linux.dev>
To: Yonghong Song <yonghong.song@linux.dev>, bpf@vger.kernel.org
Cc: Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Eduard Zingerman <eddyz87@gmail.com>,
kernel-team@fb.com
Subject: Re: [PATCH bpf-next] bpf: Remove unused BTF_FMODEL_STRUCT_ARG
Date: Mon, 3 Aug 2026 13:37:30 +0800 [thread overview]
Message-ID: <deb23c06-79e9-4c70-859d-14aaad4f0837@linux.dev> (raw)
In-Reply-To: <20260803052726.2821447-1-yonghong.song@linux.dev>
On 3/8/26 13:27, Yonghong Song wrote:
> 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>
Acked-by: Leon Hwang <leon.hwang@linux.dev>
> [...]
next prev parent reply other threads:[~2026-08-03 5:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-03 5:27 [PATCH bpf-next] bpf: Remove unused BTF_FMODEL_STRUCT_ARG Yonghong Song
2026-08-03 5:37 ` Leon Hwang [this message]
2026-08-03 11:32 ` Jiri Olsa
2026-08-03 13:00 ` patchwork-bot+netdevbpf
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