On 26/09/2017 05:07, Nick Desaulniers wrote: > today I noticed I was getting the warning: > > arch/x86/kvm/vmx.c:64:32: warning: variable 'vmx_cpu_id' is not needed > and will not be emitted [-Wunneeded-internal-declaration] > > seems like this was added in commit: e9bda3b3d0ce7 "KVM: VMX: > Auto-load on CPUs with VMX" > > seems like other call sites of the MODULE_DEVICE_TABLE typically get > added to an id_table of various driver structs. Should that be the > case here, or would a `__unused` modifier be a way forward (if so, > please confirm, would be a good first bug for a friend)? It would be __used, not __unused. But I'm not sure then why things are working for everyone, wouldn't the MODULE_DEVICE_TABLE cause a linking error? What compiler is emitting this warning? Paolo