Jung-uk Kim wrote: > On Monday 19 March 2007 10:58 am, Patrick Tracanelli wrote: >> Is it 3.0(a) revision? > > ACPI-CA should support ACPI 3.0b spec. but we (FreeBSD) do not use > much of the features. One misconception a lot of people have is that acpi is like a piece of hardware that has a driver. So they think the driver should support version 3.0b or whatever. acpi is more like an API to your BIOS/hardware that many other drivers use. We "support" version 3.0b in that if drivers want to use it, that information is available. But the actual support in terms of enabling features still requires a lot more work. For example, hotplug cpus. Nothing needs to be done in acpi to support them. But FreeBSD needs a driver for hotplug cpus, architecture changes to help migrate threads off a cpu before shutting it down, etc. -- NateReceived on Mon Mar 19 2007 - 21:14:52 UTC
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