Messages in this thread Patch in this message | | | From | Wanpeng Li <> | Subject | [PATCH v2 2/2] KVM: VMX: Don't enable EPT A/D feature if EPT feature is disabled | Date | Thu, 11 May 2017 02:58:56 -0700 |
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From: Wanpeng Li <wanpeng.li@hotmail.com>
We can observe eptad kvm_intel module parameter is still Y even if ept is disabled which is weird. This patch will not enable EPT A/D feature if EPT feature is disabled.
Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com> --- arch/x86/kvm/vmx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index c6f4ad4..04c16ea 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -6504,7 +6504,7 @@ static __init int hardware_setup(void) enable_ept_ad_bits = 0; } - if (!cpu_has_vmx_ept_ad_bits()) + if (!cpu_has_vmx_ept_ad_bits() || !enable_ept) enable_ept_ad_bits = 0; if (!cpu_has_vmx_unrestricted_guest()) -- 2.7.4
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