From: Fenghua Yu <fenghua...@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...@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
--
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