On Thu, 12 Nov 2015, Andy Lutomirski wrote:
> Unfortunately, we can only do this if HAVE_JUMP_LABEL. In principle, we > could do some serious surgery on the core jump label infrastructure > to keep the patch infrastructure available on x86 on all builds, but > that's probably not worth it. > > Implementing the macros using a conditional branch as a fallback > seems like a bad idea: we'd have to clobber flags. > > This limitation can't cause silent failures -- trying to include > asm/jump_label.h at all on a non-HAVE_JUMP_LABEL kernel will error > out. The macro's users are responsible for handling this issue > themselves. > > Signed-off-by: Andy Lutomirski <[email protected]> Reviewed-by: Thomas Gleixner <[email protected]> -- 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/
