On Tuesday 12 February 2013, Stephen Warren wrote: > I believe U-Boot enabled -ffunction-sections -fdata-sections or similar > (recently?) to get this kind of behaviour. I wonder why the kernel > didn't need that. Perhaps -O2 is more aggressive (within a file at > least) than I thought.
-ffunction-sections works across files, while the trick I described only works on file static symbols. David Woodhouse at some point had a working kernel build with -ffunction-sections but for some reason that never got merged. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/