From d1fe9219551e914f26219afaca1063b280f25963 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Tue, 7 Jul 2015 15:03:18 +0200
Subject: [PATCH] KVM: x86: reintroduce kvm_is_mmio_pfn

The call to get_mt_mask was really using kvm_is_reserved_pfn to
detect an MMIO-backed page.  In this case, we want "false" to be
returned for the zero page.

Reintroduce a separate kvm_is_mmio_pfn predicate for this use
only.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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