linux-kernel - Re: [PATCH] cfg80211: stop demanding lots of new stuff

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Date:   Sat, 3 Feb 2018 11:28:50 -0500
From:   Kevin Groeneveld <kgroeneveld@...il.com>
To:     Johannes Berg <johannes@...solutions.net>
Cc:     Hugh Dickins <hughd@...gle.com>, linux-wireless@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cfg80211: stop demanding lots of new stuff

On Thu, Jan 18, 2018 at 1:47 AM, Johannes Berg
<johannes@...solutions.net> wrote:
> On Wed, 2018-01-17 at 14:55 -0800, Hugh Dickins wrote:
>> "make oldconfig" from 4.14 (when CONFIG_CFG80211_CERTIFICATION_ONUS
>> is not set) to 4.15-rc, gets into asking lots of new questions, and
>> configuring in unwanted stuff: I'm unsure of my Kconfig skills, but
>> it looks like CFG80211_REQUIRE_SIGNED_REGDB's "default y" needs to
>> be toned down when we don't even have CFG80211_CERTIFICATION_ONUS.
>
> No, this is wrong - we want default configurations to be able to load a
> signed regulatory database and validate the signature.

I had a similar reaction as Hugh when I recently updated a kernel
config from 4.14 to 4.15.  I barely understand the kernel config
options in question so I don't really know what is right or wrong.
But it seems strange to me that when you turn off
CFG80211_CERTIFICATION_ONUS in menuconfig that the options which get
hidden are forced on.  When options are hidden like this I assume
(maybe incorrectly) that they are dependent on the option I just
turned off and that the now hidden options will also be off.

Kevin