dynup/kpatch — pull request #71 by spartacus06 (2014-03-19 21:31:20+00:00)
Title: error on symbol ambiguity in link-vmlinux-syms

Like in add-patches-section, we should continue to
search the vmlinux symbol table to see if there
is a duplicate global symbol. This normally would
not be possible, however, because create-diff-object
modifies unchanged local functions to be global
as a hack so they can be linked, there is a chance
that these symbols could collide with an existing
global symbol. We should detect this case and error
out.

Hopefully we can figure out a way to avoid this
situation altogether. But for now, this is a
protection against improper linking.

Signed-off-by: Seth Jennings