From: Fenghua Yu Date: Fri, 21 Dec 2012 07:44:32 +0000 (-0800) Subject: x86/Kconfig: Make early microcode loading a configuration feature X-Git-Tag: v3.9-rc1~105^2 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=da76f64e7eb28b718501d15c1b79af560b7ca4ea;p=linux.git 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 Link: http://lkml.kernel.org/r/1356075872-3054-13-git-send-email-fenghua.yu@intel.com Signed-off-by: H. Peter Anvin --- 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---