CONFIG_CPU_DCACHE_DISABLE: Disable D-Cache (C-bit)

General informations

The Linux kernel configuration item CONFIG_CPU_DCACHE_DISABLE has multiple definitions:

Disable D-Cache (C-bit) found in arch/arm/mm/Kconfig

The configuration item CONFIG_CPU_DCACHE_DISABLE:

• prompt: Disable D-Cache (C-bit)
• type: bool
• depends on: ( CONFIG_CPU_CP15 && ! CONFIG_SMP ) || CONFIG_CPU_V7M
• defined in arch/arm/mm/Kconfig
• found in Linux kernels: 2.6.19–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Say Y here to disable the processor data cache. Unless you have a reason not to or are unsure, say N.

Disable D-Cache found in arch/nds32/Kconfig.cpu

The configuration item CONFIG_CPU_DCACHE_DISABLE:

• prompt: Disable D-Cache
• type: bool
• depends on: (none)
• defined in arch/nds32/Kconfig.cpu
• found in Linux kernels: 4.17–4.20, 5.0–5.17, 5.17+HEAD

Help text

Say Y here to disable the processor data cache. Unless you have a reason not to or are unsure, say N.

Disable D-Cache (D-bit) found in arch/unicore32/mm/Kconfig

The configuration item CONFIG_CPU_DCACHE_DISABLE:

• prompt: Disable D-Cache (D-bit)
• type: bool
• depends on: (none)
• defined in arch/unicore32/mm/Kconfig
• found in Linux kernels: 2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.8

Help text

Say Y here to disable the processor data cache. Unless you have a reason not to or are unsure, say N.

Disable D-Cache found in arch/arm/mm/Kconfig

The configuration item CONFIG_CPU_DCACHE_DISABLE:

• prompt: Disable D-Cache
• type: bool
• depends on: CONFIG_CPU_ARM920T || CONFIG_CPU_ARM922T || CONFIG_CPU_ARM925T || CONFIG_CPU_ARM926T || CONFIG_CPU_ARM1020 || CONFIG_CPU_V6
• defined in arch/arm/mm/Kconfig
• found in Linux kernels: 2.6.0–2.6.18

Help text

Say Y here to disable the processor data cache. Unless you have a reason not to or are unsure, say N.

Disable D-Cache found in arch/arm/Kconfig

The configuration item CONFIG_CPU_DCACHE_DISABLE:

• prompt: Disable D-Cache
• type: bool
• depends on: CONFIG_CPU_ARM920T || CONFIG_CPU_ARM922T || CONFIG_CPU_ARM926T || CONFIG_CPU_ARM1020
• defined in arch/arm/Kconfig
• found in Linux kernels: 2.5.45–2.5.75

Help text

Say Y here to disable the processor data cache. Unless you have a reason not to or are unsure, say N.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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