From: Marc Zyngier <marc.zyngier@arm.com>
Date: Sun, 20 Jan 2013 23:28:13 +0000 (-0500)
Subject: KVM: ARM: Power State Coordination Interface implementation
X-Git-Tag: v3.9-rc1~115^2~10^2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aa024c2f35a07cc32e48c5f62a5807be01c09249;p=pandora-kernel.git

KVM: ARM: Power State Coordination Interface implementation

Implement the PSCI specification (ARM DEN 0022A) to control
virtual CPUs being "powered" on or off.

PSCI/KVM is detected using the KVM_CAP_ARM_PSCI capability.

A virtual CPU can now be initialized in a "powered off" state,
using the KVM_ARM_VCPU_POWER_OFF feature flag.

The guest can use either SMC or HVC to execute a PSCI function.

Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
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