From: Marc Zyngier <marc.zyngier@arm.com>
Date: Thu, 24 Apr 2014 09:24:46 +0000 (+0100)
Subject: arm64: KVM: add trap handlers for AArch64 debug registers
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~130^2~11^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0c557ed4983b7abe152212b5b1726c2a789b2c61;p=pandora-kernel.git

arm64: KVM: add trap handlers for AArch64 debug registers

Add handlers for all the AArch64 debug registers that are accessible
from EL0 or EL1. The trapping code keeps track of the state of the
debug registers, allowing for the switch code to implement a lazy
switching strategy.

Reviewed-by: Anup Patel <anup.patel@linaro.org>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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