Re: [Qemu-devel] [RFC]VM live snapshot proposal

[Paolo Bonzini]

Il 04/03/2014 09:54, Stefan Hajnoczi ha scritto:
> > Is there any other proposals to implement vm-snapshot?
> See the discussion by Paolo and Andrea about post-copy migration, which
> adds kernel memory management features for tracking userspace page
> faults.  Perhaps you can use that infrastructure to trap guest writes.

That infrastructure actually traps guest reads too.  But it's fine, as 
they are a superset of guest writes and the image will still be consistent.

Paolo