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CONFIG_MICROCODE: /dev/cpu/microcode - microcode support

General informations

The Linux kernel configuration item CONFIG_MICROCODE has multiple definitions:

/dev/cpu/microcode - Intel CPU microcode support found in arch/x86_64/Kconfig

The configuration item CONFIG_MICROCODE:

Help text

If you say Y here the 'File systems' section, you will be able to update the microcode on Intel processors. You will obviously need the actual microcode binary data itself which is not shipped with the Linux kernel.

For latest news and information on obtaining all the required ingredients for this driver, check: http://www.urbanmyth.org/microcode/.

To compile this driver as a module, choose M here: the module will be called microcode. If you use modprobe or kmod you may also want to add the line 'alias char-major-10-184 microcode' to your /etc/modules.conf file.

/dev/cpu/microcode - Intel IA32 CPU microcode support found in arch/i386/Kconfig

The configuration item CONFIG_MICROCODE:

Help text

If you say Y here, you will be able to update the microcode on Intel processors in the IA32 family, e.g. Pentium Pro, Pentium II, Pentium III, Pentium 4, Xeon etc. You will obviously need the actual microcode binary data itself which is not shipped with the Linux kernel.

For latest news and information on obtaining all the required ingredients for this driver, check: http://www.urbanmyth.org/microcode/.

To compile this driver as a module, choose M here: the module will be called microcode.

/dev/cpu/microcode - Intel IA32 CPU microcode support found in arch/x86/Kconfig

The configuration item CONFIG_MICROCODE:

Help text

If you say Y here, you will be able to update the microcode on Intel processors in the IA32 family, e.g. Pentium Pro, Pentium II, Pentium III, Pentium 4, Xeon etc. You will obviously need the actual microcode binary data itself which is not shipped with the Linux kernel.

For latest news and information on obtaining all the required ingredients for this driver, check: http://www.urbanmyth.org/microcode/.

To compile this driver as a module, choose M here: the module will be called microcode.

/dev/cpu/microcode - microcode support found in arch/x86/Kconfig

The configuration item CONFIG_MICROCODE:

Help text

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 family 0x10 and 0x11 processors, e.g. Opteron, Phenom and Turion 64 Ultra. 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.

CPU microcode loading support found in arch/x86/Kconfig

The configuration item CONFIG_MICROCODE:

Help text

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.

Hardware

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