From: Dirk Brandewie <dirk.j.brandewie@intel.com>
Date: Mon, 6 Jan 2014 18:59:16 +0000 (-0800)
Subject: intel_pstate: Add X86_FEATURE_APERFMPERF to cpu match parameters.
X-Git-Tag: v3.13-rc8~7^2~1^3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6cbd7ee10e2842a3d1f9b60abede1c8f3d1f1130;p=pandora-kernel.git

intel_pstate: Add X86_FEATURE_APERFMPERF to cpu match parameters.

KVM environments do not support APERF/MPERF MSRs. intel_pstate cannot
operate without these registers.

The previous validity checks in intel_pstate_msrs_not_valid() are
insufficent in nested KVMs.

References: https://bugzilla.redhat.com/show_bug.cgi?id=1046317
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---

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