Re: [Qemu-devel] [PATCH] migration: not send zero page header in ram bulk stage

[Li, Liang Z]

> > Not yet, I saw Dave's comment's, it will beak post copy, it's not hard to 
> > fix
> this.
> > A more important thing is Paolo's comments, I don't know in which case
> this patch will break LM. Do you have any idea about this?
> > Hope that QEMU don't write data to the block 'pc.ram'.
> >
> 
> Paolo is right, for VM in destination, QEMU may write VM's memory before
> VM starts.
> So your assumption that "VM's RAM pages are initialized to zero" is incorrect.
> This patch will break LM.
> 

Which portion of the VM's RAM pages will be written by QEMU? Do you know some 
exact information?
I can't wait for Paolo's response.

Liang