CONFIG_UNORDERED_IO: Unordered IO mapping access

General informations

The Linux kernel configuration item CONFIG_UNORDERED_IO:

• prompt: Unordered IO mapping access
• type: bool
• depends on: CONFIG_EXPERIMENTAL
• defined in arch/x86_64/Kconfig
• found in Linux kernels: 2.6.9–2.6.16

Help text

Use unordered stores to access IO memory mappings in device drivers. Still very experimental. When a driver works on IA64/ppc64/pa-risc it should work with this option, but it makes the drivers behave differently from i386. Requires that the driver writer used memory barriers properly.

Hardware

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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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