On Friday 02 March 2007 07:03, Jean Delvare wrote:
> ... The primary issue is the concurrent access
> to resources, which cause lots of trouble which are hard to investigate.
> If ACPI reserves the ports, then the SMBus or hardware monitoring
> drivers (or any other conflicting driver) will cleanly fail to load,
> which would be a move in the right direction. ...
>
> So, can ACPI actually reserve the ports it accesses?
Sorry to join this discussion so late.
ACPI tells us the resources used by devices. Today, we don't reserve
ACPI resources until a driver claims a device. PCI does some sort of
reservation up front, before the driver claims devices. Conceptually,
I think ACPI should do the same thing, and I don't think it's that
hard to do.
But breaking things like lmsensors would make the transition painful.
Bjorn
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