On 19.11.2020 21:46, Peter Xu wrote:
On Thu, Nov 19, 2020 at 03:59:38PM +0300, Andrey Gruzdev wrote:
To avoid saving updated versions of memory pages we need
to start tracking RAM writes before we resume operation of
vCPUs. This sequence is especially critical for virtio device
backends whos VQs
On Thu, Nov 19, 2020 at 03:59:38PM +0300, Andrey Gruzdev wrote:
> To avoid saving updated versions of memory pages we need
> to start tracking RAM writes before we resume operation of
> vCPUs. This sequence is especially critical for virtio device
> backends whos VQs are mapped to main memory and a
To avoid saving updated versions of memory pages we need
to start tracking RAM writes before we resume operation of
vCPUs. This sequence is especially critical for virtio device
backends whos VQs are mapped to main memory and accessed
directly not using MMIO callbacks.
One problem is that vm_start
