Re: [Qemu-devel] [PATCH for-1.7 v2 0/8] fix address space size issue

[Paolo Bonzini]

Il 07/11/2013 16:05, Michael S. Tsirkin ha scritto:
>> > So, ack for patch 5-7-8, which should also be enough to fix the problem
>> > that Luiz reported.
> Not at all. As long as exec.c ignores high bits, any access
> there will end up in the wrong region.

... unless it happens to be the correct region because the whole
2^64-bit range is covered by a single region.  This is what happens for
IOMMUs.

Paolo

> We might not get a crash but we'll get guest memory corruption.