In EPT page structure entry, Enable EPT A/D bits if processor supported.
Signed-off-by: Haitao Shan <[email protected]>
Signed-off-by: Xudong Hao <[email protected]>
---
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 811a61e..89151a9 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3005,6 +3005,8 @@ 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;
--
1.7.1
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