提交 5fdbcb9d 编写于 作者: S Sheng Yang 提交者: Avi Kivity

KVM: VMX: Fix undefined beaviour of EPT after reload kvm-intel.ko

As well as move set base/mask ptes to vmx_init().
Signed-off-by: NSheng Yang <sheng.yang@intel.com>
Signed-off-by: NAvi Kivity <avi@qumranet.com>
上级 5ec5726a
......@@ -3118,15 +3118,6 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id)
return ERR_PTR(-ENOMEM);
allocate_vpid(vmx);
if (id == 0 && vm_need_ept()) {
kvm_mmu_set_base_ptes(VMX_EPT_READABLE_MASK |
VMX_EPT_WRITABLE_MASK |
VMX_EPT_DEFAULT_MT << VMX_EPT_MT_EPTE_SHIFT);
kvm_mmu_set_mask_ptes(0ull, VMX_EPT_FAKE_ACCESSED_MASK,
VMX_EPT_FAKE_DIRTY_MASK, 0ull,
VMX_EPT_EXECUTABLE_MASK);
kvm_enable_tdp();
}
err = kvm_vcpu_init(&vmx->vcpu, kvm, id);
if (err)
......@@ -3305,8 +3296,17 @@ static int __init vmx_init(void)
vmx_disable_intercept_for_msr(vmx_msr_bitmap, MSR_IA32_SYSENTER_ESP);
vmx_disable_intercept_for_msr(vmx_msr_bitmap, MSR_IA32_SYSENTER_EIP);
if (vm_need_ept())
if (vm_need_ept()) {
bypass_guest_pf = 0;
kvm_mmu_set_base_ptes(VMX_EPT_READABLE_MASK |
VMX_EPT_WRITABLE_MASK |
VMX_EPT_DEFAULT_MT << VMX_EPT_MT_EPTE_SHIFT);
kvm_mmu_set_mask_ptes(0ull, VMX_EPT_FAKE_ACCESSED_MASK,
VMX_EPT_FAKE_DIRTY_MASK, 0ull,
VMX_EPT_EXECUTABLE_MASK);
kvm_enable_tdp();
} else
kvm_disable_tdp();
if (bypass_guest_pf)
kvm_mmu_set_nonpresent_ptes(~0xffeull, 0ull);
......
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