From: Greg Ungerer <gerg@uclinux.org>
Date: Fri, 14 Oct 2011 05:41:56 +0000 (+1000)
Subject: m68k: set register a2 to current if MMU enabled on ColdFire
X-Git-Tag: v3.3-rc1~180^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bbc6f1ba509cf9cda42ce63bbd40afe577ab028e;p=pandora-kernel.git

m68k: set register a2 to current if MMU enabled on ColdFire

Virtual memory m68k systems build with register a2 dedicated to being the
current proc pointer (non-MMU don't do this). Add code to the ColdFire
interrupt and exception processing to set this on entry, and at context
switch time. We use the same GET_CURRENT() macro that MMU enabled code
uses - modifying it so that the assembler is ColdFire clean.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Matt Waddel <mwaddel@yahoo.com>
Acked-by: Kurt Mahan <kmahan@xmission.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
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