CONFIG_EFI_BOOTLOADER_CONTROL: EFI Bootloader Control

General informations

The Linux kernel configuration item CONFIG_EFI_BOOTLOADER_CONTROL:

• prompt: EFI Bootloader Control
• type: tristate
• depends on: (none)
• defined in drivers/firmware/efi/Kconfig
• found in Linux kernels: 4.7–4.20, 5.0–5.19, 6.0–6.12
• modules built: efibc

Help text

This module installs a reboot hook, such that if reboot() is invoked with a string argument NNN, "NNN" is copied to the "LoaderEntryOneShot" EFI variable, to be read by the bootloader. If the string matches one of the boot labels defined in its configuration, the bootloader will boot once to that label. The "LoaderEntryRebootReason" EFI variable is set with the reboot reason: "reboot" or "shutdown". The bootloader reads this reboot reason and takes particular action according to its policy.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module efibc CONFIG_EFI_BOOTLOADER_CONTROL : drivers/firmware/efi/Kconfig : "EFI Bootloader Control" # in 4.7–4.20, 5.0–5.19, 6.0–6.12

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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