linux-kernel - [PATCH] Make IKCONFIG an embedded option, enabled by default

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Date:	Wed, 25 Jul 2012 05:53:36 +0200
From:	Alexander Holler <holler@...oftware.de>
To:	linux-kernel@...r.kernel.org
Cc:	Alexander Holler <holler@...oftware.de>
Subject: [PATCH] Make IKCONFIG an embedded option, enabled by default

Knowing (being sure) which configuration was used to build a (maybe running)
kernel is important for many scenarios.

It's usually much more important than saving a few kb in the size of
the kernel. Therefor turn on CONFIG_IKCONFIG and CONFIG_IKCONFIG_PROC
by default and make them visible only when CONFIG_EMBEDDED is enabled,
preventing premature optimization.

Signed-off-by: Alexander Holler <holler@...oftware.de>
---
 init/Kconfig |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/init/Kconfig b/init/Kconfig
index d07dcf9..f468b03 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -583,7 +583,8 @@ config RCU_BOOST_DELAY
 endmenu # "RCU Subsystem"
 
 config IKCONFIG
-	tristate "Kernel .config support"
+	tristate "Kernel .config support" if EMBEDDED
+	default y
 	---help---
 	  This option enables the complete Linux kernel ".config" file
 	  contents to be saved in the kernel. It provides documentation
@@ -595,8 +596,9 @@ config IKCONFIG
 	  /proc/config.gz if enabled (below).
 
 config IKCONFIG_PROC
-	bool "Enable access to .config through /proc/config.gz"
+	bool "Enable access to .config through /proc/config.gz" if EMBEDDED
 	depends on IKCONFIG && PROC_FS
+	default y
 	---help---
 	  This option enables access to the kernel configuration file
 	  through /proc/config.gz.
-- 
1.7.6.5

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