Re: [PATCH RFCv1 2/8] memory: Add last stage indicator to global dirty log synchronization

[Peter Xu]

On Mon, Feb 06, 2023 at 07:20:04PM +0800, Gavin Shan wrote:
> The global dirty log synchronization is used when KVM and dirty ring
> are enabled. There is a particularity for ARM64 where the backup
> bitmap is used to track dirty pages in non-running-vcpu situations.
> It means the dirty ring works with the combination of ring buffer
> and backup bitmap. The dirty bits in the backup bitmap needs to
> collected in the last stage of live migration.
> 
> In order to identify the last stage of live migration and pass it
> down, an extra parameter is added to the relevant functions and
> callback. This last stage information isn't used yet.
> 
> No functional change intended.
> 
> Signed-off-by: Gavin Shan <gshan@redhat.com>
> ---
>  accel/kvm/kvm-all.c   |  2 +-
>  include/exec/memory.h |  5 +++--
>  migration/dirtyrate.c |  4 ++--
>  migration/ram.c       |  6 +++---

Better move the migration/ changes into the next patch.

Thanks,

-- 
Peter Xu