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Message-ID: <962a182f514e96ce258e7173608c282a6183775a.camel@gmail.com>
Subject: Re: [PATCH RFC bpf-next v3 09/16] HID: bpf/dispatch: regroup kfuncs
 definitions
From: Eduard Zingerman <eddyz87@gmail.com>
To: Benjamin Tissoires <bentiss@kernel.org>, Alexei Starovoitov
 <ast@kernel.org>,  Daniel Borkmann <daniel@iogearbox.net>, John Fastabend
 <john.fastabend@gmail.com>, Andrii Nakryiko <andrii@kernel.org>, Martin
 KaFai Lau <martin.lau@linux.dev>, Song Liu <song@kernel.org>, Yonghong Song
 <yonghong.song@linux.dev>, KP Singh <kpsingh@kernel.org>, Stanislav
 Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>, Jiri Olsa
 <jolsa@kernel.org>, Jiri Kosina <jikos@kernel.org>,  Benjamin Tissoires
 <benjamin.tissoires@redhat.com>, Jonathan Corbet <corbet@lwn.net>, Shuah
 Khan <shuah@kernel.org>
Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org, 
	linux-input@vger.kernel.org, linux-doc@vger.kernel.org, 
	linux-kselftest@vger.kernel.org
Date: Thu, 22 Feb 2024 22:17:31 +0200
In-Reply-To: <20240221-hid-bpf-sleepable-v3-9-1fb378ca6301@kernel.org>
References: <20240221-hid-bpf-sleepable-v3-0-1fb378ca6301@kernel.org>
	 <20240221-hid-bpf-sleepable-v3-9-1fb378ca6301@kernel.org>
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On Wed, 2024-02-21 at 17:25 +0100, Benjamin Tissoires wrote:

[...]

> diff --git a/drivers/hid/bpf/hid_bpf_dispatch.c b/drivers/hid/bpf/hid_bpf=
_dispatch.c
> index e630caf644e8..52abb27426f4 100644
> --- a/drivers/hid/bpf/hid_bpf_dispatch.c
> +++ b/drivers/hid/bpf/hid_bpf_dispatch.c
> @@ -143,48 +143,6 @@ u8 *call_hid_bpf_rdesc_fixup(struct hid_device *hdev=
, u8 *rdesc, unsigned int *s
>  }
>  EXPORT_SYMBOL_GPL(call_hid_bpf_rdesc_fixup);
> =20
> -/* Disables missing prototype warnings */
> -__bpf_kfunc_start_defs();

Note:
this patch does not apply on top of current bpf-next [0] because
__bpf_kfunc_start_defs and __bpf_kfunc are not present in [0].

[0] commit 58fd62e0aa50 ("bpf: Clarify batch lookup/lookup_and_delete seman=
tics")

> -
> -/**
> - * hid_bpf_get_data - Get the kernel memory pointer associated with the =
context @ctx
> - *
> - * @ctx: The HID-BPF context
> - * @offset: The offset within the memory
> - * @rdwr_buf_size: the const size of the buffer
> - *
> - * @returns %NULL on error, an %__u8 memory pointer on success
> - */
> -__bpf_kfunc __u8 *
> -hid_bpf_get_data(struct hid_bpf_ctx *ctx, unsigned int offset, const siz=
e_t rdwr_buf_size)
> -{
> -	struct hid_bpf_ctx_kern *ctx_kern;
> -
> -	if (!ctx)
> -		return NULL;

[...]