On Wed, Aug 12, 2015 at 3:20 PM, Andy Lutomirski <l...@kernel.org> wrote: > > Does your objection still apply if we supplied our own implementations of a > handful of libgcc helpers?
We already do that. Several architectures actually implement _udivdi3. However, do_div() is actually the much simpler/better interface. I don't think we have a single case in the kernel where we really want the full 64/64 division, and the 64/32->64 case really is fundamentally simpler. This whole "do_div is so complicated" thing is just BS. The thing that triggered Christoph to ask was a bug in the implementation of that *simpler* interface. What makes you think that making people implement _udivdi3 would magically avoid all such bugs? Linus -- 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/