[tip:x86/microcode] x86/Kconfig: Configurations to enable/disable the feature

[tip-bot for Fenghua Yu]

Commit-ID:  16544f8d32aca4ec97b22db880f879ee164c3658
Gitweb:     http://git.kernel.org/tip/16544f8d32aca4ec97b22db880f879ee164c3658
Author:     Fenghua Yu <fenghua.yu@xxxxxxxxx>
AuthorDate: Thu, 29 Nov 2012 17:47:48 -0800
Committer:  H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
CommitDate: Fri, 30 Nov 2012 15:18:17 -0800

x86/Kconfig: Configurations to enable/disable the 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@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1354240068-9821-11-git-send-email-fenghua.yu@xxxxxxxxx
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
---
 arch/x86/Kconfig | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 46c3bff..abb1153 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1031,6 +1031,24 @@ 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---
--
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