From: Behan Webster <behanw@converseincode.com>
Date: Fri, 26 Sep 2014 23:31:04 +0000 (+0100)
Subject: ARM: 8170/1: Add global named register current_stack_pointer for ARM
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~102^2~1^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0abc08baf2ddf61a37d375a9fb832be612f9c5a5;p=pandora-kernel.git

ARM: 8170/1: Add global named register current_stack_pointer for ARM

Define a global named register for current_stack_pointer. The use of this new
variable guarantees that both gcc and clang can access this register in C code.

Signed-off-by: Behan Webster <behanw@converseincode.com>
Reviewed-by: Jan-Simon Möller <dl9pf@gmx.de>
Reviewed-by: Mark Charlebois <charlebm@gmail.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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