On Tue, 22 Nov 2005, Ralf Baechle wrote: > There were functions in the network stack that intensionally were > declared extern inline to make sure the compiler won't be able to outline > that function unnoticed. I just grepped for it and can't find it > anymore, must be a relativly recent improvment. > > We also rely on the compiler eleminating calls to certain functions > entirely, for example to __xchg_called_with_bad_pointer(). Well, that's exactly what "__attribute__((always_inline))" does -- either inline or fail; the latter AFAIK only happening if the function's body is unavailable to the current compilation unit. That happens regardless of any optimization settings. Maciej
