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@@ -222,6 +222,19 @@ void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code)
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}
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EXPORT_SYMBOL_GPL(kvm_queue_exception_e);
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+/*
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+ * Checks if cpl <= required_cpl; if true, return true. Otherwise queue
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+ * a #GP and return false.
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+ */
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+bool kvm_require_cpl(struct kvm_vcpu *vcpu, int required_cpl)
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+{
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+ if (kvm_x86_ops->get_cpl(vcpu) <= required_cpl)
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+ return true;
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+ kvm_queue_exception_e(vcpu, GP_VECTOR, 0);
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+ return false;
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+}
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+EXPORT_SYMBOL_GPL(kvm_require_cpl);
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+
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/*
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* Load the pae pdptrs. Return true is they are all valid.
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*/
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