Re: Accessing guest memory from the host

[Avi Kivity <avi@redhat.com>]

Gioacchino Mendola wrote:
> hello everyone,
>
> I'm trying to access guest memory from the host machine (x86_64).
> In particular I would like to be able to find
> the "physical" memory addresses the host machine allocates for the guest vm.
> Is there any function in KVM that allows me to do that?
> Could any of you please help me clarify the subject
> or point me to some detailed documentation?
>   

There is no direct mapping between guest physical addresses to host 
physical addresses.  kvm allocates memory on demand (when the guest 
first accesses it), so when a VM is started no memory is allocated to 
it.  Further, kvm can swap guest memory, so the host address can 
disappear or move.

What are you trying to accomplish?

-- 
error compiling committee.c: too many arguments to function