> That work could form the basis for a low-impact method of exporting > the current CPU to user space via a read-only mapped page. I'll admit > to having zero knowledge of whether this would be workable on anything > other than ia64. On x86 per CPU mappings are not really feasible. That is because the CPU uses the Linux page tables directly and to change them per CPU you would need to fork them per CPU. That would add so much complications that I don't even want to think them all through ... -andi - : send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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