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CONFIG_8xx_COPYBACK: Copy-Back Data Cache (else Writethrough)

General informations

The Linux kernel configuration item CONFIG_8xx_COPYBACK has multiple definitions:

Copy-Back Data Cache (else Writethrough) found in arch/powerpc/platforms/8xx/Kconfig

The configuration item CONFIG_8xx_COPYBACK:

• prompt: Copy-Back Data Cache (else Writethrough)
• type: bool
• depends on: (none)
• defined in arch/powerpc/platforms/8xx/Kconfig
• found in Linux kernels: 2.6.15–2.6.39, 3.0–3.9, 3.10-rc+HEAD

Help text

Saying Y here will cause the cache on an MPC8xx processor to be used in Copy-Back mode. If you say N here, it is used in Writethrough mode.

If in doubt, say Y here.

Copy-Back Data Cache (else Writethrough) found in arch/ppc/8xx_io/Kconfig

The configuration item CONFIG_8xx_COPYBACK:

• prompt: Copy-Back Data Cache (else Writethrough)
• type: bool
• depends on: (none)
• defined in arch/ppc/8xx_io/Kconfig
• found in Linux kernels: 2.6.0–2.6.26

Help text

Saying Y here will cause the cache on an MPC8xx processor to be used in Copy-Back mode. If you say N here, it is used in Writethrough mode.

If in doubt, say Y here.

Hardware

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The data is retrived from:

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• Linux Kernel Driver DataBase (LKDDb)

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