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CONFIG_COMPAT: Kernel support for 31 bit emulation
General informations
The Linux kernel configuration item CONFIG_COMPAT has multiple definitions:
arch/ia64/Kconfig
The configuration item CONFIG_COMPAT:
- prompt:
- type: bool
- depends on:
CONFIG_IA32_SUPPORT - defined in arch/ia64/Kconfig
- found in Linux kernels: 2.6.0–2.6.33
Help text
(none)
arch/mips/Kconfig
The configuration item CONFIG_COMPAT:
- prompt:
- type: bool
- depends on:
CONFIG_MIPS32_COMPAT - defined in arch/mips/Kconfig
- found in Linux kernels: 2.6.0–2.6.39, 3.0–3.9, 3.10-rc+HEAD
Help text
(none)
arch/parisc/Kconfig
The configuration item CONFIG_COMPAT:
- prompt:
- type: bool
- depends on:
CONFIG_64BIT - defined in arch/parisc/Kconfig
- found in Linux kernels: 2.6.0–2.6.39, 3.0–3.9, 3.10-rc+HEAD
Help text
(none)
arch/powerpc/Kconfig
The configuration item CONFIG_COMPAT:
- prompt:
- type: bool
- depends on:
CONFIG_PPC64 - defined in arch/powerpc/Kconfig
- found in Linux kernels: 2.6.15–2.6.39, 3.0–3.9, 3.10-rc+HEAD
Help text
(none)
arch/ppc64/Kconfig
The configuration item CONFIG_COMPAT:
- prompt:
- type: bool
- depends on:
(none) - defined in arch/ppc64/Kconfig
- found in Linux kernels: 2.6.0–2.6.14
Help text
(none)
arch/s390/Kconfig
The configuration item CONFIG_COMPAT:
- prompt:
- type: bool
- depends on:
CONFIG_S390_SUPPORT - defined in arch/s390/Kconfig
- found in Linux kernels: 2.6.0–2.6.15
Help text
(none)
arch/sparc/Kconfig
The configuration item CONFIG_COMPAT:
- prompt:
- type: bool
- depends on:
CONFIG_SPARC64 - defined in arch/sparc/Kconfig
- found in Linux kernels: 2.6.29–2.6.39, 3.0–3.9, 3.10-rc+HEAD
Help text
(none)
arch/sparc64/Kconfig
The configuration item CONFIG_COMPAT:
- prompt:
- type: bool
- depends on:
CONFIG_SPARC32_COMPAT - defined in arch/sparc64/Kconfig
- found in Linux kernels: 2.6.0–2.6.28
Help text
(none)
arch/x86/Kconfig
The configuration item CONFIG_COMPAT:
- prompt:
- type: bool
- depends on:
CONFIG_IA32_EMULATION || CONFIG_X86_X32 - defined in arch/x86/Kconfig
- found in Linux kernels: 2.6.24–2.6.39, 3.0–3.9, 3.10-rc+HEAD
Help text
(none)
arch/x86_64/Kconfig
The configuration item CONFIG_COMPAT:
- prompt:
- type: bool
- depends on:
CONFIG_IA32_EMULATION - defined in arch/x86_64/Kconfig
- found in Linux kernels: 2.6.0–2.6.23
Help text
(none)
Kernel support for 31 bit emulation found in arch/s390/Kconfig
The configuration item CONFIG_COMPAT:
- prompt: Kernel support for 31 bit emulation
- type: bool
- depends on:
CONFIG_64BIT - defined in arch/s390/Kconfig
- found in Linux kernels: 2.6.16–2.6.39, 3.0–3.9, 3.10-rc+HEAD
Help text
Select this option if you want to enable your system kernel to handle system-calls from ELF binaries for 31 bit ESA. This option (and some other stuff like libraries and such) is needed for executing 31 bit applications. It is safe to say "Y".
Kernel support for 32-bit EL0 found in arch/arm64/Kconfig
The configuration item CONFIG_COMPAT:
- prompt: Kernel support for 32-bit EL0
- type: bool
- depends on:
! CONFIG_ARM64_64K_PAGES - defined in arch/arm64/Kconfig
- found in Linux kernels: 3.7–3.9, 3.10-rc+HEAD
Help text
This option enables support for a 32-bit EL0 running under a 64-bit kernel at EL1. AArch32-specific components such as system calls, the user helper functions, VFP support and the ptrace interface are handled appropriately by the kernel.
If you want to execute 32-bit userspace applications, say Y.
Support 32-bit TILE-Gx binaries in addition to 64-bit found in arch/tile/Kconfig
The configuration item CONFIG_COMPAT:
- prompt: Support 32-bit TILE-Gx binaries in addition to 64-bit
- type: bool
- depends on:
CONFIG_TILEGX - defined in arch/tile/Kconfig
- found in Linux kernels: 2.6.36–2.6.39, 3.0–3.9, 3.10-rc+HEAD
Help text
If enabled, the kernel will support running TILE-Gx binaries that were built with the -m32 option.
Hardware
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