From: Mihai Caraman <mihai.caraman@freescale.com>
Date: Mon, 6 Aug 2012 03:27:04 +0000 (+0000)
Subject: powerpc/booke64: Use GSRR registers in Guest Doorbell interrupts
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~10^2~88
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5473eb1c07009956be5f4df65d51f8e24d8eb1de;p=pandora-kernel.git

powerpc/booke64: Use GSRR registers in Guest Doorbell interrupts

Guest Doorbell interrupts use guest save and restore registers. Add a new
Guest Doorbell exception type to accommodate GSRR0/1 SPRs usage in exception
prolog and fix the exception handler.

Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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