CONFIG_EFI_FAKE_MEMMAP: Enable EFI fake memory map

General informations

The Linux kernel configuration item CONFIG_EFI_FAKE_MEMMAP has multiple definitions:

Enable EFI fake memory map found in arch/x86/Kconfig

The configuration item CONFIG_EFI_FAKE_MEMMAP:

• prompt: Enable EFI fake memory map
• type: bool
• depends on: CONFIG_EFI
• defined in arch/x86/Kconfig
• found in Linux kernels: 6.2–6.8, 6.9-rc+HEAD

Help text

Saying Y here will enable "efi_fake_mem" boot option. By specifying this parameter, you can add arbitrary attribute to specific memory range by updating original (firmware provided) EFI memmap. This is useful for debugging of EFI memmap related feature, e.g., Address Range Mirroring feature.

Enable EFI fake memory map found in drivers/firmware/efi/Kconfig

The configuration item CONFIG_EFI_FAKE_MEMMAP:

• prompt: Enable EFI fake memory map
• type: bool
• depends on: CONFIG_EFI && CONFIG_X86
• defined in drivers/firmware/efi/Kconfig
• found in Linux kernels: 4.4–4.20, 5.0–5.19, 6.0–6.1, 6.1+HEAD

Help text

Saying Y here will enable "efi_fake_mem" boot option. By specifying this parameter, you can add arbitrary attribute to specific memory range by updating original (firmware provided) EFI memmap. This is useful for debugging of EFI memmap related feature. e.g. Address Range Mirroring feature.

Hardware

LKDDb

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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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