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authorFenghua Yu <fenghua.yu@intel.com>2012-12-20 23:44:32 -0800
committerH. Peter Anvin <hpa@linux.intel.com>2013-01-31 13:20:42 -0800
commitda76f64e7eb28b718501d15c1b79af560b7ca4ea (patch)
tree2b0b36c7dda21352e1926ec0c9721bb20453c3c2 /arch/x86/Kconfig
parentcd745be89e1580e8a1b47454a39f97f9c5c4b1e0 (diff)
x86/Kconfig: Make early microcode loading a configuration feature
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> Link: http://lkml.kernel.org/r/1356075872-3054-13-git-send-email-fenghua.yu@intel.com Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 79795af59810..e243da7a2f96 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1029,6 +1029,24 @@ config MICROCODE_OLD_INTERFACE
def_bool y
depends on MICROCODE
+config MICROCODE_INTEL_LIB
+ def_bool y
+ depends on MICROCODE_INTEL
+
+config MICROCODE_INTEL_EARLY
+ bool "Early load microcode"
+ depends on MICROCODE_INTEL && BLK_DEV_INITRD
+ default y
+ 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 MICROCODE_EARLY
+ def_bool y
+ depends on MICROCODE_INTEL_EARLY
+
config X86_MSR
tristate "/dev/cpu/*/msr - Model-specific register support"
---help---