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CONFIG_X86_CPUID: /dev/cpu/*/cpuid - CPU information support
General informations
The Linux kernel configuration item CONFIG_X86_CPUID has multiple definitions:
/dev/cpu/*/cpuid - CPU information support found in arch/i386/Kconfig
The configuration item CONFIG_X86_CPUID:
- prompt: /dev/cpu/*/cpuid - CPU information support
- type: tristate
- depends on:
(none) - defined in arch/i386/Kconfig
- found in Linux kernels: 2.6.0–2.6.23
- modules built:
cpuid,cpuid,cpuid
Help text
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.
/dev/cpu/*/cpuid - CPU information support found in arch/x86/Kconfig
The configuration item CONFIG_X86_CPUID:
- prompt: /dev/cpu/*/cpuid - CPU information support
- type: tristate
- depends on:
(none) - defined in arch/x86/Kconfig
- found in Linux kernels: 2.6.24–2.6.39, 3.0–3.9, 3.10-rc+HEAD
- modules built:
cpuid,cpuid,cpuid
Help text
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.
/dev/cpu/*/cpuid - CPU information support found in arch/x86_64/Kconfig
The configuration item CONFIG_X86_CPUID:
- prompt: /dev/cpu/*/cpuid - CPU information support
- type: tristate
- depends on:
(none) - defined in arch/x86_64/Kconfig
- found in Linux kernels: 2.6.0–2.6.23
- modules built:
cpuid,cpuid,cpuid
Help text
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.
Hardware
LKDDb
Raw data from LKDDb:
lkddb module cpuid CONFIG_X86_CPUID : arch/i386/Kconfig : "/dev/cpu/*/cpuid - CPU information support"lkddb module cpuid CONFIG_X86_CPUID : arch/x86/Kconfig : "/dev/cpu/*/cpuid - CPU information support"lkddb module cpuid CONFIG_X86_CPUID : arch/x86_64/Kconfig : "/dev/cpu/*/cpuid - CPU information support"
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