[PATCH 11/11] x86/Kconfig: Configurations to enable/disable the feature

["Fenghua Yu" <fenghua.yu@intel.com>]

From: Fenghua Yu <fenghua.yu@intel.com>

MICROCODE_INTEL_LIB, MICROCODE_INTEL_EARLY, and MICROCODE_EARLY are three new
configurations to enable or disable the feature.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
---
 arch/x86/Kconfig |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 50c660d..32caa77 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1035,6 +1035,7 @@ config MICROCODE_INTEL
 	depends on MICROCODE
 	default MICROCODE
 	select FW_LOADER
+	select MICROCODE_INTEL_LIB
 	---help---
 	  This options enables microcode patch loading support for Intel
 	  processors.
@@ -1055,6 +1056,27 @@ config MICROCODE_OLD_INTERFACE
 	def_bool y
 	depends on MICROCODE
 
+config MICROCODE_EARLY
+	def_bool y
+	depends on MICROCODE_INTEL_EARLY
+
+config MICROCODE_INTEL_LIB
+	def_bool y
+	depends on MICROCODE_INTEL_EARLY
+
+config MICROCODE_INTEL_EARLY
+	bool "Early load microcode"
+	depends on MICROCODE_INTEL && BLK_DEV_INITRD
+	default y
+	select FW_LOADER
+	select MICROCODE_EARLY
+	select MICROCODE_INTEL_LIB
+	help
+	  This option provides functionality to read additional microcode data
+	  at the beginning of initrd image. The data tells kernel to load
+	  microcode to CPU's as early as possible. No functional change if no
+	  microcode data is glued to the initrd, therefore it's safe to say Y.
+
 config X86_MSR
 	tristate "/dev/cpu/*/msr - Model-specific register support"
 	---help---
-- 
1.7.2