From 22d48b2d2aa0b078816eaa1e15e485811a2d03fa Mon Sep 17 00:00:00 2001
From: Matthias Lange <matthias.lange@kernkonzept.com>
Date: Thu, 26 Jun 2014 13:50:15 +0200
Subject: [PATCH] KVM: svm: writes to MSR_K7_HWCR generates GPE in guest

Since commit 575203 the MCE subsystem in the Linux kernel for AMD sets bit 18
in MSR_K7_HWCR. Running such a kernel as a guest in KVM on an AMD host results
in a GPE injected into the guest because kvm_set_msr_common returns 1. This
patch fixes this by masking bit 18 from the MSR value desired by the guest.

Signed-off-by: Matthias Lange <matthias.lange@kernkonzept.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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