Hi Len,

As a follow up of this dicussion:
http://lists.lm-sensors.org/pipermail/lm-sensors/2007-March/019015.html

I'd like to know if it would be possible to have the acpi subsystem
somehow declare or even request the I/O ports it will be accessing when
running AML code? There is a need for this, otherwise other drivers
might access the same resources as the AML code does, with possibly bad
consequences.

Another approach proposed by Pavel Machek would be a general mutex to
protect the AML code from the rest of the kernel, this would probably
work too but the granularity (and thus the latency) would be better
with a per-I/O-region approach.

Thanks,
-- 
Jean Delvare
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