Ian Campbell wrote:

The first is that older gas does not support :varargs in .macro
definitions (in my testing 2.17 does while 2.15 does not, I don't know
when it became supported). The Changes file says binutils >= 2.12 so I
think we need to avoid using it. There are no other uses in mainline or
-mm. Old gas appears to just ignore it so you get "too many arguments"
type errors.
  

OK, seems reasonable.  Eric Biederman solved this by having NOTE/ENDNOTE 
(or something like that) in his "bzImage with ELF header" patch, but I 
don't remember it being used in any way which is incompatible with using 
a CPP macro.

Signed-off-by: Jeremy Fitzhardinge <redacted>

    J