On 20 December 2011 16:29, Alexander Graf <ag...@suse.de> wrote: > On 20.12.2011, at 17:17, Peter Maydell wrote: >> On 14 December 2011 01:43, Alexander Graf <ag...@suse.de> wrote: >>> +unsigned long reserved_va = 0xf7000000; >> >> So why 0xf7000000 rather than the whole of the 32 bit space? >> >> (In particular for ARM targets we want to be able to mmap >> at 0xFFFFxxxx...) > > Because that didn't work for me. We still need the commpage > above our reserved memory range, so this was the highest value > that was safe for me.
Hmm, that suggests we didn't get the interaction of the commpage with the reserved range right -- the commpage is part of the guest memory space so it should be OK for it to be inside the reserved range. -- PMM