From: John David Anglin <dave.anglin@bell.net>
Date: Tue, 8 Sep 2015 00:13:28 +0000 (-0400)
Subject: parisc: Use double word condition in 64bit CAS operation
X-Git-Tag: omap-for-v4.3/fixes-rc1~55^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1b59ddfcf1678de38a1f8ca9fb8ea5eebeff1843;p=pandora-kernel.git

parisc: Use double word condition in 64bit CAS operation

The attached change fixes the condition used in the "sub" instruction.
A double word comparison is needed.  This fixes the 64-bit LWS CAS
operation on 64-bit kernels.

I can now enable 64-bit atomic support in GCC.

Cc: <stable@vger.kernel.org>
Signed-off-by: John David Anglin <dave.anglin>
Signed-off-by: Helge Deller <deller@gmx.de>
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