src/sys/modules/cpufreq, branch release/8.2.0

MFC r204309, r204313 and r204319 by nyan:

2010-11-09T01:57:56+00:00

Introduce the x86 subtree for code shared between amd64, i386 and pc98.

Differently from the HEAD version, the headers are not moved around,
in order to avoid breaking the KPI but it can be eventually done once the
core mechanism of r214629 is MFCed.

MFCing this patch does allow for simpler MFCs handling on i386/amd64
specific code.

Sponsored by:   Sandvine Incorporated

Import ACPICA 20090521.

2009-06-05T18:44:36+00:00

Introduce support for cpufreq on PowerPC with the dynamic frequency

2009-05-31T09:01:23+00:00

switching capabilities of the MPC7447A and MPC7448.

Add support for Phenom (Family 10h) to cpufreq.

2009-03-28T08:54:47+00:00

Its a newer version provided by the author than in the PR.

PR:		kern/128575
Submitted by:	Gen Otsuji annona2 [at] gmail.com

Dike out WARNS from kernel module makefiles. Kernels and modules

2006-05-30T09:38:54+00:00

use a different mechanism for setting warning flags, and using
WARNS here only has null or negative effects.

Submitted by:	bde (I think it means "submitted")

Add a driver for SMI-based SpeedStep. The hardware supports two frequency

2005-04-19T16:38:24+00:00

settings and is an older version of the same design used for ICH SpeedStep.
It is only known to be available on PIIX4 chipsets.

Many thanks to Bruno Ducrot for writing the driver and Jon Noack for
testing.

Submitted by:	Bruno Ducrot

Add support for _PDC/_OSC by advertising that we support direct access to

2005-04-04T15:51:13+00:00

the PERF_CTL/STS MSRs via the new acpi_get_features() method.  This should
allow newer systems to use SpeedStep.

Additions to .PATH are cumulative so referencing $.PATH is not helpful.

2005-03-31T18:51:06+00:00

Informed by:	ru

Fix module build on amd64. There may be a cleaner way to do the .PATH

2005-03-28T00:24:11+00:00

Hook powernow up to the build for i386 and amd64.

2005-03-27T21:47:12+00:00