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CONFIG_MN10300_CACHE_WTHRU: Write-Through

General informations

The Linux kernel configuration item CONFIG_MN10300_CACHE_WTHRU has multiple definitions:

Write-Through found in arch/mn10300/Kconfig

The configuration item CONFIG_MN10300_CACHE_WTHRU:

Help text

(none)

Write-Through found in arch/mn10300/mm/Kconfig.cache

The configuration item CONFIG_MN10300_CACHE_WTHRU:

Help text

The dcache operates in immediate write-through mode. Writes are committed to RAM immediately in addition to being stored in the cache. This means that the written data is immediately available for execution or DMA.

This is not available for use with an SMP kernel if cache flushing and invalidation by automatic purge register is not selected.

Hardware

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