KVM: VMX: When using ept, allow the guest to own cr4.pge

We make no use of cr4.pge if ept is enabled, but the guest does (to flush global mappings, as with vmap()), so give the guest ownership of this bit. Signed-off-by: Avi Kivity <avi@redhat.com>
git-mirror · Mar 1, 2010 · ce03e4f · ce03e4f
1 parent 4c38609
commit ce03e4f
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
@@ -2424,6 +2424,8 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
 
 	vmcs_writel(CR0_GUEST_HOST_MASK, ~0UL);
 	vmx->vcpu.arch.cr4_guest_owned_bits = KVM_CR4_GUEST_OWNED_BITS;
+	if (enable_ept)
+		vmx->vcpu.arch.cr4_guest_owned_bits |= X86_CR4_PGE;
 	vmcs_writel(CR4_GUEST_HOST_MASK, ~vmx->vcpu.arch.cr4_guest_owned_bits);
 
 	tsc_base = vmx->vcpu.kvm->arch.vm_init_tsc;