> I'm curios to know what happens if nobody defines __start_notes and > __end_notes. We'll use the extern-attribute-weak thing, but those two > locations won't even get instantiated in vmlinux, I think. > > And the code relies upon the difference between two non-existent > attribute-weak locations being zero.
The well-defined meaning of weak externs is that they resolve to zero if undefined. It relies on zero-zero being zero. It relies on noone defining one of __start_notes and __stop_notes but not both. Thanks, Roland - 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/
