linux-kernel - Re: [PATCH bpf-next v1] bpf,arena: Rename the kfunc set variable

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Date: Tue, 7 May 2024 07:36:17 -0700
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: Haiyue Wang <haiyue.wang@...el.com>
Cc: bpf <bpf@...r.kernel.org>, Alexei Starovoitov <ast@...nel.org>, 
	Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, 
	Martin KaFai Lau <martin.lau@...ux.dev>, Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>, 
	Yonghong Song <yonghong.song@...ux.dev>, John Fastabend <john.fastabend@...il.com>, 
	KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...gle.com>, Hao Luo <haoluo@...gle.com>, 
	Jiri Olsa <jolsa@...nel.org>, open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH bpf-next v1] bpf,arena: Rename the kfunc set variable

On Mon, May 6, 2024 at 7:46 PM Haiyue Wang <haiyue.wang@...el.com> wrote:
>
> Rename the kfunc set variable to specify the 'arena' function scope,
> although the 'UNSPEC' type BPF program is mapped to 'COMMON' hook.
>
> And there is 'common_kfunc_set' defined for real 'common' function in
> file 'kernel/bpf/helpers.c'.

I think common_kfunc_set is a better name to describe that these
two kfuncs are in a common category.
BPF_PROG_TYPE_UNSPEC is a lot less obvious.

There are two static common_kfunc_set in helpers.c and arena.c
and that's fine.

pw-bot: cr