Commit b38f9934 authored by Xudong Hao's avatar Xudong Hao Committed by Avi Kivity
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KVM: VMX: Enable EPT A/D bits if supported by turning on relevant bit in EPTP 



In EPT page structure entry, Enable EPT A/D bits if processor supported.

Signed-off-by: default avatarHaitao Shan <haitao.shan@intel.com>
Signed-off-by: default avatarXudong Hao <xudong.hao@intel.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 83c3a331

arch/x86/kvm/vmx.c

+2 −0
Original line number Diff line number Diff line
@@ -3039,6 +3039,8 @@ static u64 construct_eptp(unsigned long root_hpa) 
	/* TODO write the value reading from MSR */

	eptp = VMX_EPT_DEFAULT_MT |

		VMX_EPT_DEFAULT_GAW << VMX_EPT_GAW_EPTP_SHIFT;

	if (enable_ept_ad_bits)

		eptp |= VMX_EPT_AD_ENABLE_BIT;

	eptp |= (root_hpa & PAGE_MASK);



	return eptp;