On Mon, 18 Aug 2008, Anthony Liguori wrote: > > Nothing. It works just fine. However, I implemented it more verbosely > because this is the second time we've "fixed" this problem. See > > commit bdc1681cdf1ab6a65fa935a2b3f8fc63b20c54ea > Author: Rusty Russell <rusty@xxxxxxxxxxxxxxx> > Date: Mon Mar 17 22:58:15 2008 -0500 > > virtio: handle > 2 billion page balloon targets Well, we could perhaps add a sparse warning that makes noise when a unsigned subtraction is cast to a wider signed field. I dunno if it would catch anything interesting, or just cause a ton of irritating noise. > So I thought I'd rely a little less on the subtleties of promotion and make > things a bit more clear. However, I don't feel that strongly about it so here > you go. Ugly and inefficient is not acceptable, even for these kinds of reasons. So yes, the simpler version is much better. Linus _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization