Tom> But, Fedora will rebuild their binary once this change is in.
Tom> If the Linux developers cared about this sort of thing, it
Tom> would version all its kernel structs and put padding at the
Tom> end to ensure new fields could be added. It has opted for
Tom> the cleaner (technical) solution of having all the apps
Tom> recompile. Sure there will be a little bit of growing pain,
Tom> but in the end, it won't have all kinds of backwards
Tom> compatibility cruft lying around.
No, this is absolutely not true. The kernel-user ABI is very stable,
and with very few exceptions, you should be able to take binaries that
worked on kernel 1.0 and run them on a modern kernel. For example,
<http://lkml.org/lkml/2004/10/13/196>
The in-kernel ABI and API can and do change all the time, but that's a
different story.
- R.
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