Re: [RFC PATCH v2 56/69] KVM: VMX: Move setting of EPT MMU masks to common VT-x code

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On 03/07/21 00:05, isaku.yamahata@xxxxxxxxx wrote:
From: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>

Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
Signed-off-by: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
---
  arch/x86/kvm/vmx/main.c | 4 ++++
  arch/x86/kvm/vmx/vmx.c  | 4 ----
  2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/vmx/main.c b/arch/x86/kvm/vmx/main.c
index c3fefa0e5a63..0d8d2a0a2979 100644
--- a/arch/x86/kvm/vmx/main.c
+++ b/arch/x86/kvm/vmx/main.c
@@ -34,6 +34,10 @@ static __init int vt_hardware_setup(void)
  	if (ret)
  		return ret;
+ if (enable_ept)
+		kvm_mmu_set_ept_masks(enable_ept_ad_bits,
+				      cpu_has_vmx_ept_execute_only());
+
  	return 0;
  }
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 77b2b2cf76db..e315a46d1566 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -7644,10 +7644,6 @@ static __init int hardware_setup(void)
set_bit(0, vmx_vpid_bitmap); /* 0 is reserved for host */ - if (enable_ept)
-		kvm_mmu_set_ept_masks(enable_ept_ad_bits,
-				      cpu_has_vmx_ept_execute_only());
-
  	if (!enable_ept)
  		ept_lpage_level = 0;
  	else if (cpu_has_vmx_ept_1g_page())


Reviewed-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>




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