Re: [RFC] ACPI interrupt statistics

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On Saturday 03 November 2007 04:40:53 Len Brown wrote:
> For your review and testing...
>
> The patch below exports interrupt counters from within ACPI
> so that developers can better understand the cause of ACPI interrupts.
>
> My intent is to have something like this built in by default
> starting in 2.6.25.  The version below applies to 2.6.21
> and is originally based on a patch by Luming Yu.

There have been a fair few changes since then, and this patch will probably 
need a fair bit of work.

1) Back in 2.6.21, acpi_subsys was defined as a 'struct subsystem' in 
acpi_bus.h - it's now a 'struct kset'

2) Greg KH has an RFC patch lined up that does even more work in this area - 
http://lkml.org/lkml/2007/11/2

3) From my limited understanding of the area and intent, this patch seems to 
be a combination of kset work + the interrupt support - could it be split 
into two functionally separate patches to cover these instead?

(Basically, the only bit I'm really interested in is the 
EXPORT_SYMBOL(acpi_subsys), as acpi_subsys can currently only be used from 
built-in drivers, which is preventing me from converting wmi.c to a module).

-Carlos
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E-Mail: carlos@xxxxxxxxxxxxxxxxxxx
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