From 3852c307ba8c86915429a533980edf89051dfc4d Mon Sep 17 00:00:00 2001
From: Marcelo Tosatti <mtosatti@redhat.com>
Date: Sun, 5 Apr 2009 14:54:46 -0300
Subject: [PATCH 6/6] KVM: MMU: disable global page optimization

Complexity to fix it not worthwhile the gains, as discussed
in http://article.gmane.org/gmane.comp.emulators.kvm.devel/28649.

(backport of upstream commit bc6f84ddc4a5ae0aa146688fe40db62075c948cd)

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com
RH-Upstream-status: applied(kvm/master)
Message-ID: <20090414181320.GA18769@amt.cnet>
Bugzilla: 500263
Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
Acked-by: john cooper <john.cooper@redhat.com>
Acked-by: Avi Kivity <avi@redhat.com>
Acked-by: Andrea Arcangeli <aarcange@redhat.com>
---
 arch/x86/kvm/mmu.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 81b4492..256bff9 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -867,7 +867,7 @@ static struct kvm_mmu_page *kvm_mmu_alloc_page(struct kvm_vcpu *vcpu,
 	ASSERT(is_empty_shadow_page(sp->spt));
 	bitmap_zero(sp->slot_bitmap, KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS);
 	sp->multimapped = 0;
-	sp->global = 1;
+	sp->global = 0;
 	sp->parent_pte = parent_pte;
 	--vcpu->kvm->arch.n_free_mmu_pages;
 	return sp;
-- 
1.6.3.rc4.29.g8146