From: Dave Hansen <dave.han...@linux.intel.com>
These are both drivers to access very cpu and arch-specific
features. However, they are probably not very commonly changed
in the configuration. Give them their own menu.
Signed-off-by: Dave Hansen <dave.han...@linux.intel.com>
---
linux.git-davehans/arch/x86/Kconfig | 169 ++++++++++++++++++------------------
1 file changed, 86 insertions(+), 83 deletions(-)
diff -puN arch/x86/Kconfig~processor-drivers arch/x86/Kconfig
--- linux.git/arch/x86/Kconfig~processor-drivers 2014-01-13
11:11:35.346198391 -0800
+++ linux.git-davehans/arch/x86/Kconfig 2014-01-13 11:11:35.348198482 -0800
@@ -396,6 +396,92 @@ config X86_SMAP
If unsure, say Y.
+comment "Processor Feature Drivers"
+
+config MICROCODE
+ tristate "CPU microcode loading support"
+ depends on CPU_SUP_AMD || CPU_SUP_INTEL
+ select FW_LOADER
+ ---help---
+
+ If you say Y here, you will be able to update the microcode on
+ certain Intel and AMD processors. The Intel support is for the
+ IA32 family, e.g. Pentium Pro, Pentium II, Pentium III, Pentium 4,
+ Xeon etc. The AMD support is for families 0x10 and later. You will
+ obviously need the actual microcode binary data itself which is not
+ shipped with the Linux kernel.
+
+ This option selects the general module only, you need to select
+ at least one vendor specific module as well.
+
+ To compile this driver as a module, choose M here: the module
+ will be called microcode.
+
+config MICROCODE_INTEL
+ bool "Intel microcode loading support"
+ depends on MICROCODE
+ default MICROCODE
+ select FW_LOADER
+ ---help---
+ This options enables microcode patch loading support for Intel
+ processors.
+
+ For latest news and information on obtaining all the required
+ Intel ingredients for this driver, check:
+ <http://www.urbanmyth.org/microcode/>.
+
+config MICROCODE_AMD
+ bool "AMD microcode loading support"
+ depends on MICROCODE
+ select FW_LOADER
+ ---help---
+ If you select this option, microcode patch loading support for AMD
+ processors will be enabled.
+
+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
+ def_bool n
+
+config MICROCODE_AMD_EARLY
+ def_bool n
+
+config MICROCODE_EARLY
+ bool "Early load microcode"
+ depends on MICROCODE=y && BLK_DEV_INITRD
+ select MICROCODE_INTEL_EARLY if MICROCODE_INTEL
+ select MICROCODE_AMD_EARLY if MICROCODE_AMD
+ 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 X86_MSR
+ tristate "/dev/cpu/*/msr - Model-specific register support"
+ ---help---
+ This device gives privileged processes access to the x86
+ Model-Specific Registers (MSRs). It is a character device with
+ major 202 and minors 0 to 31 for /dev/cpu/0/msr to /dev/cpu/31/msr.
+ MSR accesses are directed to a specific CPU on multi-processor
+ systems.
+
+config X86_CPUID
+ tristate "/dev/cpu/*/cpuid - CPU information support"
+ ---help---
+ This device gives processes access to the x86 CPUID instruction to
+ be executed on a specific processor. It is a character device
+ with major 203 and minors 0 to 31 for /dev/cpu/0/cpuid to
+ /dev/cpu/31/cpuid.
+
+
endmenu # Processor Options
config X86_X2APIC
@@ -1293,89 +1379,6 @@ config X86_REBOOTFIXUPS
enable this option even if you don't need it.
Say N otherwise.
-config MICROCODE
- tristate "CPU microcode loading support"
- depends on CPU_SUP_AMD || CPU_SUP_INTEL
- select FW_LOADER
- ---help---
-
- If you say Y here, you will be able to update the microcode on
- certain Intel and AMD processors. The Intel support is for the
- IA32 family, e.g. Pentium Pro, Pentium II, Pentium III, Pentium 4,
- Xeon etc. The AMD support is for families 0x10 and later. You will
- obviously need the actual microcode binary data itself which is not
- shipped with the Linux kernel.
-
- This option selects the general module only, you need to select
- at least one vendor specific module as well.
-
- To compile this driver as a module, choose M here: the module
- will be called microcode.
-
-config MICROCODE_INTEL
- bool "Intel microcode loading support"
- depends on MICROCODE
- default MICROCODE
- select FW_LOADER
- ---help---
- This options enables microcode patch loading support for Intel
- processors.
-
- For latest news and information on obtaining all the required
- Intel ingredients for this driver, check:
- <http://www.urbanmyth.org/microcode/>.
-
-config MICROCODE_AMD
- bool "AMD microcode loading support"
- depends on MICROCODE
- select FW_LOADER
- ---help---
- If you select this option, microcode patch loading support for AMD
- processors will be enabled.
-
-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
- def_bool n
-
-config MICROCODE_AMD_EARLY
- def_bool n
-
-config MICROCODE_EARLY
- bool "Early load microcode"
- depends on MICROCODE=y && BLK_DEV_INITRD
- select MICROCODE_INTEL_EARLY if MICROCODE_INTEL
- select MICROCODE_AMD_EARLY if MICROCODE_AMD
- 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 X86_MSR
- tristate "/dev/cpu/*/msr - Model-specific register support"
- ---help---
- This device gives privileged processes access to the x86
- Model-Specific Registers (MSRs). It is a character device with
- major 202 and minors 0 to 31 for /dev/cpu/0/msr to /dev/cpu/31/msr.
- MSR accesses are directed to a specific CPU on multi-processor
- systems.
-
-config X86_CPUID
- tristate "/dev/cpu/*/cpuid - CPU information support"
- ---help---
- This device gives processes access to the x86 CPUID instruction to
- be executed on a specific processor. It is a character device
- with major 203 and minors 0 to 31 for /dev/cpu/0/cpuid to
- /dev/cpu/31/cpuid.
-
config MATH_EMULATION
bool
prompt "Math emulation" if X86_32
_
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