linux-kernel - Re: [PATCH bpf-next v7 13/24] HID: initial BPF implementation

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Message-ID: <YuKaG18WXkkQlu8e@kroah.com>
Date:   Thu, 28 Jul 2022 16:15:55 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:     Jiri Kosina <jikos@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        Kumar Kartikeya Dwivedi <memxor@...il.com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>, Shuah Khan <shuah@...nel.org>,
        Dave Marchevsky <davemarchevsky@...com>,
        Joe Stringer <joe@...ium.io>, Jonathan Corbet <corbet@....net>,
        Tero Kristo <tero.kristo@...ux.intel.com>,
        linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH bpf-next v7 13/24] HID: initial BPF implementation

On Thu, Jul 21, 2022 at 05:36:14PM +0200, Benjamin Tissoires wrote:
> diff --git a/drivers/hid/bpf/Kconfig b/drivers/hid/bpf/Kconfig
> new file mode 100644
> index 000000000000..423c02e4c5db
> --- /dev/null
> +++ b/drivers/hid/bpf/Kconfig
> @@ -0,0 +1,18 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +menu "HID-BPF support"
> +	#depends on x86_64

Is this comment still needed?

> +
> +config HID_BPF
> +	bool "HID-BPF support"
> +	default HID_SUPPORT
> +	depends on BPF && BPF_SYSCALL
> +	help
> +	This option allows to support eBPF programs on the HID subsystem.
> +	eBPF programs can fix HID devices in a lighter way than a full
> +	kernel patch and allow a lot more flexibility.
> +
> +	For documentation, see Documentation/hid/hid-bpf.rst
> +
> +	If unsure, say Y.
> +
> +endmenu