[PATCH 31/37] KVM: MMU: Only enable cr4_pge role in shadow mode

From: Avi Kivity
Date: Fri Feb 27 2009 - 05:33:45 EST


Two dimensional paging is only confused by it.

Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
arch/x86/kvm/x86.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 6fbc346..19ccde6 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -364,7 +364,7 @@ void kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
}
kvm_x86_ops->set_cr4(vcpu, cr4);
vcpu->arch.cr4 = cr4;
- vcpu->arch.mmu.base_role.cr4_pge = !!(cr4 & X86_CR4_PGE);
+ vcpu->arch.mmu.base_role.cr4_pge = (cr4 & X86_CR4_PGE) && !tdp_enabled;
kvm_mmu_sync_global(vcpu);
kvm_mmu_reset_context(vcpu);
}
--
1.6.0.6

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