Commit ca72d970 authored by Jan Kiszka's avatar Jan Kiszka Committed by Paolo Bonzini
Browse files

KVM: nEPT: Advertise WB type EPTP 



At least WB must be possible.

Signed-off-by: default avatarJan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: default avatarGleb Natapov <gleb@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 44811c02

arch/x86/kvm/vmx.c

+2 −2
Original line number Diff line number Diff line
@@ -2251,8 +2251,8 @@ static __init void nested_vmx_setup_ctls_msrs(void) 
	if (enable_ept) {

		/* nested EPT: emulate EPT also to L1 */

		nested_vmx_secondary_ctls_high |= SECONDARY_EXEC_ENABLE_EPT;

		nested_vmx_ept_caps = VMX_EPT_PAGE_WALK_4_BIT;

		nested_vmx_ept_caps |= VMX_EPT_INVEPT_BIT;

		nested_vmx_ept_caps = VMX_EPT_PAGE_WALK_4_BIT |

			 VMX_EPTP_WB_BIT | VMX_EPT_INVEPT_BIT;

		nested_vmx_ept_caps &= vmx_capability.ept;

		/*

		 * Since invept is completely emulated we support both global