linux-kernel - side-effect when enabling CONFIG

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Message-ID: <982a0742-4046-117a-0ed4-63774941950e@broadcom.com>
Date:	Mon, 18 Jul 2016 12:44:45 +0200
From:	Arend Van Spriel <arend.vanspriel@...adcom.com>
To:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: side-effect when enabling CONFIG_MODULES

A question for whoever can provide the answer. I have a kernel defconfig
with everything built-in. However, I want to compile a driver module
against it for testing. So I enabled CONFING_MODULES, but as a
side-effect several implicitly selected config options changed from
CONFIG_FOO=y to CONFIG_FOO=m giving me slightly different kernel at
least when looking at the vmlinux. So I just did sed -i 's/=m/=y/'
.config, but I was wondering if that step can be avoided somehow?

Regards,
Arend