On Tue, Feb 11, 2025, Binbin Wu wrote: > + kvm_pr_unimpl("unexpected exception 0x%x(exit_reason 0x%x qual 0x%lx)\n", > + intr_info, vmx_get_exit_reason(vcpu).full, vmx_get_exit_qual(vcpu)); This should be vcpu_unimpl(). But I vote to omit it entirely. Ratelimited printks are notoriously unhelpful, and KVM is already providing a useful exit to userspace.