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Commit ce03e4f2 authored by Avi Kivity's avatar Avi Kivity Committed by Marcelo Tosatti
Browse files

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: default avatarAvi Kivity <avi@redhat.com>
parent 4c38609a

arch/x86/kvm/vmx.c

+2 −0
Original line number Diff line number Diff line
@@ -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;