From: Jason Wang <jasowang@redhat.com>
Date: Thu, 25 Jul 2013 08:54:32 +0000 (+0800)
Subject: x86: Introduce hypervisor_cpuid_base()
X-Git-Tag: v3.12-rc1~156^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=96e39ac0e9d18020c8c5a41b64b8fe86c26575ab;p=pandora-kernel.git

x86: Introduce hypervisor_cpuid_base()

This patch introduce hypervisor_cpuid_base() which loop test the hypervisor
existence function until the signature match and check the number of leaves if
required. This could be used by Xen/KVM guest to detect the existence of
hypervisor.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: http://lkml.kernel.org/r/1374742475-2485-1-git-send-email-jasowang@redhat.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---

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