On Sat, 8 Feb 2020 01:12:32 +0530
Kirti Wankhede wrote:
> Pages, pinned by external interface for requested IO virtual address
> range, might get unpinned and unmapped while migration is active and
> device is still running, that is, in pre-copy phase while guest driver
> still could access
Pages, pinned by external interface for requested IO virtual address
range, might get unpinned and unmapped while migration is active and
device is still running, that is, in pre-copy phase while guest driver
still could access those pages. Host device can write to these pages while
those were
