> Hi Paolo, > > On Mon, Mar 03, 2014 at 02:47:31PM +0100, Paolo Bonzini wrote: > > I'm not sure what's the status of the kernel infrastructure for > > post-copy. Andrea? > > sys_userfaultfd is still work in progress but it shouldn't be much work left > to > completion. madvise(MADV_USERFAULT) and > remap_anon_pages() are complete for a while.
http://qemu-project.org/Features/PostCopyLiveMigration From the feature description, post-copy uses memory copy, so this infrastructure will solve this problem, but do not help snapshot, am I right? Thansk