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From: Martin KaFai Lau <martin.lau@linux.dev>
To: Ming Lei <ming.lei@redhat.com>
Cc: bpf@vger.kernel.org, ast@kernel.org, song@kernel.org,
	andrii@kernel.org, drosen@google.com, kuifeng@meta.com,
	sinquersw@gmail.com, thinker.li@gmail.com,
	Yonghong Song <yonghong.song@linux.dev>,
	Benjamin Tissoires <bentiss@kernel.org>,
	Jiri Kosina <jikos@kernel.org>
Subject: Re: [PATCH V2 bpf-next] bpf: export btf_find_by_name_kind and bpf_base_func_proto
Date: Mon, 29 Jul 2024 14:07:04 -0700	[thread overview]
Message-ID: <d08f9080-3818-4869-8b5f-9292d772963f@linux.dev> (raw)
In-Reply-To: <20240726125958.2853508-1-ming.lei@redhat.com>

On 7/26/24 5:59 AM, Ming Lei wrote:
> Almost all existed struct_ops users(hid, sched_ext, ...) need the two APIs.
> 
> In-tree hid-bpf code(drivers/hid/bpf/hid_bpf_struct_ops.c) can't be built
> as module because the two APIs aren't exported.

The patch looks fine. I don't see "config HID_BPF" can be built as a module now 
though that could expose this issue. Did I miss something?

> 
> Export btf_find_by_name_kind and bpf_base_func_proto, so that any kernel
> module can use them given bpf community is supporting to register
> struct_ops in module, see the patchset "Registrating struct_ops types from
> modules"[1], which is merged to v6.9.


  parent reply	other threads:[~2024-07-29 21:07 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-26 12:59 [PATCH V2 bpf-next] bpf: export btf_find_by_name_kind and bpf_base_func_proto Ming Lei
2024-07-26 14:26 ` Yonghong Song
2024-07-26 16:06 ` Kui-Feng Lee
2024-07-29 21:07 ` Martin KaFai Lau [this message]
2024-07-31  8:18   ` Ming Lei
2024-08-01  0:34     ` Martin KaFai Lau

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