From: Anton Blanchard <anton@samba.org>
Date: Wed, 4 Apr 2012 18:26:39 +0000 (+0000)
Subject: powerpc: No need to preserve count register across system call
X-Git-Tag: v3.5-rc1~132^2~55
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=82087414c608440c5ca7faa5c2fb6327daebcd15;p=pandora-kernel.git

powerpc: No need to preserve count register across system call

The count register is volatile so we don't need to preserve it.
Store zero to the entry in the exception frame.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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