From: Greg Ungerer <gerg@uclinux.org>
Date: Thu, 4 Nov 2010 03:53:26 +0000 (+1000)
Subject: m68knommu: use user stack pointer hardware on some ColdFire cores
X-Git-Tag: v2.6.38-rc1~8^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1c83af5f9d7e15a091f11394ad5916a7dcf1a99e;p=pandora-kernel.git

m68knommu: use user stack pointer hardware on some ColdFire cores

The more modern ColdFire parts (even if based on older version cores)
have separate user and supervisor stack pointers (a7 register).
Modify the ColdFire CPU setup and exception code to enable and use
this on parts that have it.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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