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CONFIG_SH_WRITETHROUGH: Use write-through caching

General informations

The Linux kernel configuration item CONFIG_SH_WRITETHROUGH has multiple definitions:

Use write-through caching found in arch/sh/Kconfig

The configuration item CONFIG_SH_WRITETHROUGH:

Help text

Selecting this option will configure the caches in write-through mode, as opposed to the default write-back configuration.

Since there's sill some aliasing issues on SH-4, this option will unfortunately still require the majority of flushing functions to be implemented to deal with aliasing.

If unsure, say N.

Use write-through caching found in arch/sh/mm/Kconfig

The configuration item CONFIG_SH_WRITETHROUGH:

Help text

Selecting this option will configure the caches in write-through mode, as opposed to the default write-back configuration.

Since there's sill some aliasing issues on SH-4, this option will unfortunately still require the majority of flushing functions to be implemented to deal with aliasing.

If unsure, say N.

Hardware

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