We were using Linux's cpu numbering for cpu-related hypervisor calls (e.g. 
vpa registration, H_CONFER).  It happened to work most of the time because
Linux and the hypervisor usually, but not always, have the same numbering
for cpus.
Signed-off-by: Nathan Lynch <nathanl@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>