On Wed, 2014-12-17 at 00:09 +0100, Hannes Frederic Sowa wrote:
> Also we compile the whole kernel with -fno-strict-overflow, so every > report of signed overflow leading to undefined behavior is probably a > false positive. I don't know if it is worth to try to get rid of them, I > doubt it. Presumably we could have uatomic_t , or atomic_u32_t, whatever... This particular xadd() is heavily hit in some cases, we really do not want a cmpxchg() -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
