On Tue, Oct 09, 2012 at 05:22:59PM +0200, Arnd Bergmann wrote: > * The XEN_BALLOON code requires the balloon infrastructure that is not > getting built on ARM. > > * The tmem hypercall is not available on ARM > > * ARMv6 does not support cmpxchg on 16-bit words that are used in the "in the" what?