Messages in this thread Patch in this message | | | From | Avi Kivity <> | Subject | [PATCH 08/40] KVM: VMX: When using ept, allow the guest to own cr4.pge | Date | Wed, 10 Feb 2010 19:22:37 +0200 |
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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> --- arch/x86/kvm/vmx.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 755811a..a7ebaa5 100644 --- 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; -- 1.6.5.3
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