[RFC 05/16] kgr: update Kconfig documentation

[Jiri Slaby]

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

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

diff --git a/kernel/Kconfig.kgr b/kernel/Kconfig.kgr
index af9125f27b6d..f66fa2c20656 100644
--- a/kernel/Kconfig.kgr
+++ b/kernel/Kconfig.kgr
@@ -5,3 +5,6 @@ config KGR
 	tristate "Kgr infrastructure"
 	depends on DYNAMIC_FTRACE_WITH_REGS
 	depends on HAVE_KGR
+	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 a923510443de..29eba4b77812 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -58,6 +58,10 @@ config SAMPLE_KDB
 config SAMPLE_KGR_PATCHER
 	tristate "Build kgr patcher example -- loadable modules only"
 	depends on KGR && 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"
-- 
1.9.2

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