From: Matt Evans <matt@ozlabs.org>
Date: Wed, 7 Jul 2010 21:55:37 +0000 (+0000)
Subject: powerpc/kexec: Switch to a static PACA on the way out
X-Git-Tag: v2.6.36-rc1~559^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fc53b4202e61c7e9008c241933ae282aab8a6082;p=pandora-kernel.git

powerpc/kexec: Switch to a static PACA on the way out

With dynamic PACAs, the kexecing CPU's PACA won't lie within the kernel
static data and there is a chance that something may stomp it when preparing
to kexec.  This patch switches this final CPU to a static PACA just before
we pull the switch.

Signed-off-by: Matt Evans <matt@ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

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