Il 19/05/2013 06:52, Jun Nakajima ha scritto:
> + switch (type) {
> + case VMX_EPT_EXTENT_GLOBAL:
> + if (!(nested_vmx_ept_caps & VMX_EPT_EXTENT_GLOBAL_BIT))
> + nested_vmx_failValid(vcpu,
> + VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
> + else {
> + /*
> + * Do nothing: when L1 changes EPT12, we already
> + * update EPT02 (the shadow EPT table) and call INVEPT.
> + * So when L1 calls INVEPT, there's nothing left to do.
> + */
> + nested_vmx_succeed(vcpu);
> + }
> + break;
Duplicate code:
switch (type) {
case VMX_EPT_EXTENT_GLOBAL
ok = (nested_vmx_ept_caps & VMX_EPT_EXTENT_GLOBAL_BIT) != 0;
break;
...
default:
ok = false;
break;
}
if (ok) {
/* Do nothing: ... */
nested_vmx_succeed(vcpu);
} else {
nested_vmx_failValid(vcpu, ...);
}
break;
Paolo
> + case VMX_EPT_EXTENT_CONTEXT:
> + if (!(nested_vmx_ept_caps & VMX_EPT_EXTENT_CONTEXT_BIT))
> + nested_vmx_failValid(vcpu,
> + VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
> + else {
> + /* Do nothing */
> + nested_vmx_succeed(vcpu);
> + }
> + break;
> + case VMX_EPT_EXTENT_INDIVIDUAL_ADDR:
> + if (!(nested_vmx_ept_caps & VMX_EPT_EXTENT_INDIVIDUAL_BIT))
> + nested_vmx_failValid(vcpu,
> + VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
> + else {
> + /* Do nothing */
> + nested_vmx_succeed(vcpu);
> + }
> + break;
> + default:
> + nested_vmx_failValid(vcpu,
> + VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
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