From fcd0157ece8a1bf36b877a9c8078ea721678a38b Mon Sep 17 00:00:00 2001
From: Ken Cox <jkc@redhat.com>
Date: Mon, 28 Apr 2014 12:23:13 -0500
Subject: [PATCH] Staging: unisys: detect s-Par firmware

This patch adds support for detection of s-Par firmware by checking for
the hypervisor bit in the CPU capabilities, and then querying the hypervisor
ID cpuid leaf.

This functionality will be used by the unisys drivers to determine if
they are being loaded on an s-Par platform and refuse to load if no
s-Par firmware is present.

This fixes a problem reported from upstream where a panic occurs if the
unisys drivers are loaded on a non s-Par system.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Ken Cox <jkc@redhat.com>
Tested by: Ken Cox <jkc@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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