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invept: only invalidate trusty eptp when it exist

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only invalidate trusty eptp when it exist

Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
This commit is contained in:
Jason Chen CJ 2018-06-16 14:43:33 +08:00 committed by Jack Ren
parent 5734525f17
commit eb14ecf14b
1 changed files with 2 additions and 2 deletions
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4
hypervisor/arch/x86/mmu.c
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@ -180,11 +180,11 @@ void invept(struct vcpu *vcpu)
if (cpu_has_vmx_ept_cap(VMX_EPT_INVEPT_SINGLE_CONTEXT)) {
desc.eptp = vcpu->vm->arch_vm.nworld_eptp | (3 << 3) | 6;
_invept(INVEPT_TYPE_SINGLE_CONTEXT, desc);
if (vcpu->vm->sworld_control.sworld_enabled) {
if (vcpu->vm->sworld_control.sworld_enabled &&
vcpu->vm->arch_vm.sworld_eptp) {
desc.eptp = vcpu->vm->arch_vm.sworld_eptp
| (3 << 3) | 6;
_invept(INVEPT_TYPE_SINGLE_CONTEXT, desc);
}
} else if (cpu_has_vmx_ept_cap(VMX_EPT_INVEPT_GLOBAL_CONTEXT))
_invept(INVEPT_TYPE_ALL_CONTEXTS, desc);