CONFIG_KEXEC_FILE: Enable kexec file based system call

General informations

The Linux kernel configuration item CONFIG_KEXEC_FILE has multiple definitions:

Enable kexec file based system call found in kernel/Kconfig.kexec

The configuration item CONFIG_KEXEC_FILE:

• prompt: Enable kexec file based system call
• type: bool
• depends on: CONFIG_ARCH_SUPPORTS_KEXEC_FILE
• defined in kernel/Kconfig.kexec
• found in Linux kernels: 6.6–6.12, 6.13-rc+HEAD

Help text

This is new version of kexec system call. This system call is file based and takes file descriptors as system call argument for kernel and initramfs as opposed to list of segments as accepted by kexec system call.

kexec file based systmem call found in arch/riscv/Kconfig

The configuration item CONFIG_KEXEC_FILE:

• prompt: kexec file based systmem call
• type: bool
• depends on: CONFIG_64BIT && CONFIG_MMU
• defined in arch/riscv/Kconfig
• found in Linux kernels: 5.19, 6.0–6.5

Help text

This is new version of kexec system call. This system call is file based and takes file descriptors as system call argument for kernel and initramfs as opposed to list of segments as accepted by previous system call.

If you don't know what to do here, say Y.

kexec file based system call found in arch/x86/Kconfig

The configuration item CONFIG_KEXEC_FILE:

• prompt: kexec file based system call
• type: bool
• depends on: ( CONFIG_X86_64 ) && ( CONFIG_CRYPTO = CONFIG_y ) && ( CONFIG_CRYPTO_SHA256 = CONFIG_y )
• defined in arch/x86/Kconfig
• found in Linux kernels: 3.17–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.5

Help text

This is new version of kexec system call. This system call is file based and takes file descriptors as system call argument for kernel and initramfs as opposed to list of segments as accepted by previous system call.

kexec file based system call found in arch/s390/Kconfig

The configuration item CONFIG_KEXEC_FILE:

• prompt: kexec file based system call
• type: bool
• depends on: ( CONFIG_CRYPTO ) && ( CONFIG_CRYPTO_SHA256 ) && ( CONFIG_CRYPTO_SHA256_S390 )
• defined in arch/s390/Kconfig
• found in Linux kernels: 4.17–4.20, 5.0–5.19, 6.0–6.5

Help text

Enable the kexec file based system call. In contrast to the normal kexec system call this system call takes file descriptors for the kernel and initramfs as arguments.

kexec file based system call found in arch/powerpc/Kconfig

The configuration item CONFIG_KEXEC_FILE:

• prompt: kexec file based system call
• type: bool
• depends on: ( CONFIG_PPC64 ) && ( CONFIG_CRYPTO = CONFIG_y ) && ( CONFIG_CRYPTO_SHA256 = CONFIG_y )
• defined in arch/powerpc/Kconfig
• found in Linux kernels: 4.10–4.20, 5.0–5.19, 6.0–6.5

Help text

This is a new version of the kexec system call. This call is file based and takes in file descriptors as system call arguments for kernel and initramfs as opposed to a list of segments as is the case for the older kexec call.

kexec file based system call found in arch/parisc/Kconfig

The configuration item CONFIG_KEXEC_FILE:

• prompt: kexec file based system call
• type: bool
• depends on: (none)
• defined in arch/parisc/Kconfig
• found in Linux kernels: 5.4–5.19, 6.0–6.5

Help text

This enables the kexec_file_load() System call. This is file based and takes file descriptors as system call argument for kernel and initramfs as opposed to list of segments as accepted by previous system call.

kexec file based system call found in arch/arm64/Kconfig

The configuration item CONFIG_KEXEC_FILE:

• prompt: kexec file based system call
• type: bool
• depends on: (none)
• defined in arch/arm64/Kconfig
• found in Linux kernels: 5.0–5.19, 6.0–6.5

Help text

This is new version of kexec system call. This system call is file based and takes file descriptors as system call argument for kernel and initramfs as opposed to list of segments as accepted by previous system call.

Hardware

LKDDb

Raw data from LKDDb:

• (none)

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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