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SubjectRe: kernel-2.4.0-test11 crashed again; this time i send you the Oops-message
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Peter Samuelson writes:
> [Neil Brown]

>> In drivers/md/Makefile, swap the order of "raid5.o xor.o" to be
>> "xor.o raid5.o", recompile, install, reboot.
>
> Don't forget the part about adding a comment saying that xor.c does in
> fact need to come before raid5.c. This is the part that most likely
> will not happen, so that two months from now nobody will remember it
> and eventually it will trip us up again.
>
> That's one of the things that our infamous LINK_FIRST infrastructure
> would have done: pointed out special cases automatically so that even
> *without* a comment people would look at it and immediately know "there
> is *something* link-order-dependent here". Oh well.

The infamous LINK_FIRST infrastructure was sort of half-way done.

It would be best to cause drivers with an unspecified link order
to move around a bit, so that errors may be discovered more quickly.

LINK_FIRST is pretty coarse. One would want a topological sort,
or at least LINK_0 through LINK_9 _without_ anything else.
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