On Thu, Feb 20, 2020 at 5:53 AM Zhoujian (jay) wrote:
>
>
>
> > -Original Message-
> > From: Peter Xu [mailto:pet...@redhat.com]
> > Sent: Thursday, February 20, 2020 1:19 AM
> > To: Zhoujian (jay)
> > Cc: k...@vger.kernel.org; qemu-devel@nongnu.org; pbonz...@redhat.com;
> > dgilb...@redh
FWIW, we currently do this eager splitting at Google for live
migration. When the log-dirty-memory flag is set on a memslot we
eagerly split all pages in the slot down to 4k granularity.
As Jay said, this does not cause crippling lock contention because the
vCPU page faults generated by write prote
