On Thu, 14 May 2020 11:02:33 +0530
Kirti Wankhede wrote:
> On 5/14/2020 10:37 AM, Alex Williamson wrote:
> > On Thu, 14 May 2020 01:34:37 +0530
> > Kirti Wankhede wrote:
> >
> >> DMA mapped pages, including those pinned by mdev vendor drivers, might
> >> get unpinned and unmapped while
On 5/14/2020 10:37 AM, Alex Williamson wrote:
On Thu, 14 May 2020 01:34:37 +0530
Kirti Wankhede wrote:
DMA mapped pages, including those pinned by mdev vendor drivers, might
get unpinned and unmapped while migration is active and device is still
running. For example, in pre-copy phase
On Thu, 14 May 2020 01:34:37 +0530
Kirti Wankhede wrote:
> DMA mapped pages, including those pinned by mdev vendor drivers, might
> get unpinned and unmapped while migration is active and device is still
> running. For example, in pre-copy phase while guest driver could access
> those pages,
DMA mapped pages, including those pinned by mdev vendor drivers, might
get unpinned and unmapped while migration is active and device is still
running. For example, in pre-copy phase while guest driver could access
those pages, host device or vendor driver can dirty these mapped pages.
Such pages