CONFIG_CPU_DCACHE_WRITETHROUGH: Force write through D-cache

General informations

The Linux kernel configuration item CONFIG_CPU_DCACHE_WRITETHROUGH has multiple definitions:

Force write through D-cache found in arch/arm/mm/Kconfig

The configuration item CONFIG_CPU_DCACHE_WRITETHROUGH:

• prompt: Force write through D-cache
• type: bool
• depends on: (( CONFIG_CPU_ARM740T || CONFIG_CPU_ARM920T || CONFIG_CPU_ARM922T || CONFIG_CPU_ARM925T || CONFIG_CPU_ARM926T || CONFIG_CPU_ARM940T || CONFIG_CPU_ARM946E || CONFIG_CPU_ARM1020 || CONFIG_CPU_FA526 ) && ! CONFIG_CPU_DCACHE_DISABLE ) && ( CONFIG_CPU_ARM925T )
• defined in arch/arm/mm/Kconfig
• found in Linux kernels: 2.6.0–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.17, 6.18-rc+HEAD

Help text

Say Y here to use the data cache in writethrough mode. Unless you specifically require this or are unsure, say N.

Force write through D-cache found in arch/nds32/Kconfig.cpu

The configuration item CONFIG_CPU_DCACHE_WRITETHROUGH:

• prompt: Force write through D-cache
• type: bool
• depends on: ! CONFIG_CPU_DCACHE_DISABLE
• 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 use the data cache in writethrough mode. Unless you specifically require this or are unsure, say N.

Force write through D-cache found in arch/unicore32/mm/Kconfig

The configuration item CONFIG_CPU_DCACHE_WRITETHROUGH:

• prompt: Force write through D-cache
• 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 use the data cache in writethrough mode. Unless you specifically require this or are unsure, say N.

Force write through D-cache found in arch/arm/Kconfig

The configuration item CONFIG_CPU_DCACHE_WRITETHROUGH:

• prompt: Force write through D-cache
• type: bool
• depends on: ( CONFIG_CPU_ARM920T || CONFIG_CPU_ARM922T || CONFIG_CPU_ARM926T || CONFIG_CPU_ARM1020 ) && ! CONFIG_CPU_DISABLE_DCACHE
• defined in arch/arm/Kconfig
• found in Linux kernels: 2.5.45–2.5.75

Help text

Say Y here to use the data cache in writethough mode. Unless you specifically require this 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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