linux-kernel - [PATCH -repost 05/21] kgr: update Kconfig documentation

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Message-Id: <1403694435-3180-5-git-send-email-jslaby@suse.cz>
Date:	Wed, 25 Jun 2014 13:06:59 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	linux-kernel@...r.kernel.org
Cc:	tj@...nel.org, rostedt@...dmis.org, mingo@...hat.com,
	akpm@...ux-foundation.org, andi@...stfloor.org,
	paulmck@...ux.vnet.ibm.com, pavel@....cz, jirislaby@...il.com,
	Vojtech Pavlik <vojtech@...e.cz>, Michael Matz <matz@...e.de>,
	Jiri Kosina <jkosina@...e.cz>, Jiri Slaby <jslaby@...e.cz>,
	Udo Seidel <udoseidel@....de>
Subject: [PATCH -repost 05/21] kgr: update Kconfig documentation

This is based on Udo's text which was augmented in this patch.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
Cc: Udo Seidel <udoseidel@....de>
Cc: Vojtech Pavlik <vojtech@...e.cz>
---
 kernel/Kconfig.kgraft | 3 +++
 samples/Kconfig       | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/kernel/Kconfig.kgraft b/kernel/Kconfig.kgraft
index f38d82c06580..bead93646071 100644
--- a/kernel/Kconfig.kgraft
+++ b/kernel/Kconfig.kgraft
@@ -5,3 +5,6 @@ config KGRAFT
 	bool "kGraft infrastructure"
 	depends on DYNAMIC_FTRACE_WITH_REGS
 	depends on HAVE_KGRAFT
+	help
+	  Select this to enable kGraft online kernel patching. The
+	  runtime price is zero, so it is safe to say Y here.
diff --git a/samples/Kconfig b/samples/Kconfig
index b33a397dfc58..12848d1bd8c5 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -58,6 +58,10 @@ config SAMPLE_KDB
 config SAMPLE_KGRAFT_PATCHER
 	tristate "Build kGraft patcher example -- loadable modules only"
 	depends on KGRAFT && m
+	help
+	  Sample code to replace sys_iopl() and sys_capable() via
+	  kGraft. This is only for presentation purposes. It is safe to
+	  say Y here.
 
 config SAMPLE_RPMSG_CLIENT
 	tristate "Build rpmsg client sample -- loadable modules only"
-- 
2.0.0

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