linux-kernel - Re: [PATCH bpf-next v2] bpf: use kfunc hooks instead of program types

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Message-ID: <CAADnVQLdcJMddFAxVRRaySeD06eGkU+rt0x8LkSqRak0fHqNEw@mail.gmail.com>
Date: Tue, 29 Oct 2024 08:15:12 -0700
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: Matteo Croce <technoboy85@...il.com>
Cc: bpf <bpf@...r.kernel.org>, Alexei Starovoitov <ast@...nel.org>, 
	Andrii Nakryiko <andrii@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, 
	John Fastabend <john.fastabend@...il.com>, Martin KaFai Lau <martin.lau@...ux.dev>, 
	Network Development <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, 
	linux-trace-kernel <linux-trace-kernel@...r.kernel.org>, Matteo Croce <teknoraver@...a.com>
Subject: Re: [PATCH bpf-next v2] bpf: use kfunc hooks instead of program types

On Tue, Oct 29, 2024 at 7:34 AM Matteo Croce <technoboy85@...il.com> wrote:
>
> From: Matteo Croce <teknoraver@...a.com>
>
> Pass to register_btf_kfunc_id_set() a btf_kfunc_hook directly, instead
> of a bpf_prog_type.
> Many program types share the same kfunc hook, so some calls to
> register_btf_kfunc_id_set() can be removed.

Still nack for the same reason: let's avoid churn
when kfunc registration needs a redesign.

pw-bot: cr