From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 24 Nov 2006 10:46:18 +0000 (+0900)
Subject: sh: Fixup 4K irq stacks.
X-Git-Tag: v2.6.20-rc1~34^2~20^2~32^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1dc41e58a553e612e3d0349bb60eef08f9462bde;p=pandora-kernel.git

sh: Fixup 4K irq stacks.

There was a clobber issue with the register we were saving
the stack in, so we switch to a register that we handle in
the clobber list properly already.

This also follows the x86 changes for allowing the softirq
checks from hardirq context.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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