Messages in this thread Patch in this message | | | From | Xudong Hao <> | Subject | [PATCH v2 3/4] Enable EPT A/D bits if supported by turning on relevant bit in EPTP | Date | Mon, 21 May 2012 11:54:02 +0800 |
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In EPT page structure entry, Enable EPT A/D bits if processor supported.
Signed-off-by: Haitao Shan <haitao.shan@intel.com> Signed-off-by: Xudong Hao <xudong.hao@intel.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 f3858bf..e8003b6 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3018,6 +3018,8 @@ 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; -- 1.5.6
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