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CONFIG_UNORDERED_IO: Unordered IO mapping access

General informations

The Linux kernel configuration item CONFIG_UNORDERED_IO:

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.



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