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KVM: VMX: Don't enable EPT A/D feature if EPT feature is disabled

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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>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
This commit is contained in:
Wanpeng Li 2017-05-11 02:58:56 -07:00 committed by Radim Krčmář
parent a575813bfe
commit fce6ac4c05
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kvm/vmx.c
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@ -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())