CONFIG_SIBYTE_DMA_PAGEOPS: Use DMA to clear/copy pages

General informations

The Linux kernel configuration item CONFIG_SIBYTE_DMA_PAGEOPS:

• prompt: Use DMA to clear/copy pages
• type: bool
• depends on: CONFIG_CPU_SB1
• defined in arch/mips/Kconfig
• found in Linux kernels: 2.6.0–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

Instead of using the CPU to zero and copy pages, use a Data Mover channel. These DMA channels are otherwise unused by the standard SiByte Linux port. Seems to give a small performance benefit.

Hardware

LKDDb

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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