Re: [Qemu-ppc] broken incoming migration

[Peter Lieven]

On 30.05.2013 16:41, Paolo Bonzini wrote:
> Il 30/05/2013 16:38, Peter Lieven ha scritto:
> > > > You could also scan the page for nonzero values before writing it.
> > i had this in mind, but then choosed the other approach.... turned out to be a 
> > bad idea.
> >
> > alexey: i will prepare a patch later today, could you then please verify it 
> > fixes your problem.
> >
> > paolo: would we still need the madvise or is it enough to not write the zeroes?
> It should be enough to not write them.

Problem: checking the pages for zero allocates them. even at the source.

Peter