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Subject[v9 PATCH 0/9]: cpuidle: Cleanup cpuidle/ Introduce cpuidle to POWER.

This patchset introduces cpuidle infrastructure to POWER, prototyping
for pSeries, and also does a major refactoring of current x86 idle
power management and a cleanup of cpuidle infrastructure.

This patch series has been in discussion for quite a while now and
below are the links to the previous discussions.

Hopefully, this is ready to be included in the -tip tree.

v8 -->
v7 -->
v6 -->
v5 -->
v4 -->
v3 -->
v2 -->
v1 -->

Changes in this version:
*Added documentation for the new design regarding registration
of idle routines in Documentation/cpuidle/core.txt

*Platforms which do not want the code bloat of cpuidle can
disable CONFIG_CPU_IDLE. Alternate definition of
cpuidle_idle_call is provided which would call the appropriate
idle routine provided by the arch without the overhead of
registration and governors.
(Thanks to Andi for raising this isuue)

*I had missed a cpuidle_kick_cpus() in
cpuidle_pause_and_lock() which is called from the hotplug
path. So added that and tested this patchset by subjecting it
to cpuhotplug torture.
(Thanks to Balbir for noticing this)


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