linux-kernel - Re: [PATCH bpf-next v6 12/23] HID: initial BPF implementation

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Date:   Fri, 15 Jul 2022 07:02:44 +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>,
        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 v6 12/23] HID: initial BPF implementation

On Tue, Jul 12, 2022 at 04:58:39PM +0200, Benjamin Tissoires wrote:
> --- /dev/null
> +++ b/drivers/hid/bpf/Kconfig
> @@ -0,0 +1,19 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +menu "HID-BPF support"
> +	#depends on x86_64
> +
> +config HID_BPF
> +	bool "HID-BPF support"
> +	default y

Things are only default y if you can't boot your machine without it.
Perhaps just mirror what HID is to start with and do not select HID?

> +	depends on BPF && BPF_SYSCALL
> +	select HID

select is rough, why not depend?


thanks,

greg k-