on 18/04/2012 17:22 Ian Lepore said the following: > YES! A size field (preferably as the first field in the struct) along > with a flag to indicate that it's a new-style boot info struct that > starts with a size field, will allow future changes without a lot of > drama. It can allow code that has to deal with the struct without > interpretting it (such as trampoline code that has to copy it to a new > stack or memory area as part of loading the kernel) to be immune to > future changes.
Yeah, placing the new field at front would immediately break compatibility and even access to the flags field :-) -- Andriy Gapon _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
