From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Thu, 29 Sep 2011 17:06:42 +0000 (-0400)
Subject: xen/enlighten: Fix compile warnings and set cx to known value.
X-Git-Tag: v3.2-rc1~193^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5e287830136a8edb76e9f9c432b264d99833172f;p=pandora-kernel.git

xen/enlighten: Fix compile warnings and set cx to known value.

We get:
linux/arch/x86/xen/enlighten.c: In function ‘xen_start_kernel’:
linux/arch/x86/xen/enlighten.c:226: warning: ‘cx’ may be used uninitialized in this function
linux/arch/x86/xen/enlighten.c:240: note: ‘cx’ was declared here

and the cx is really not set but passed in the xen_cpuid instruction
which masks the value with returned masked_ecx from cpuid. This
can potentially lead to invalid data being stored in cx.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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