Re: [PATCH v2 00/20] vfio: Add migration pre-copy support and device dirty tracking

[Avihai Horon]

On 22/02/2023 19:48, Avihai Horon wrote:
> Changes from v1 [4]:
> - Rebased on latest master branch. As part of it, made some changes in
>    pre-copy to adjust it to Juan's new patches:
>    1. Added a new patch that passes threshold_size parameter to
>       .state_pending_{estimate,exact}() handlers.
>    2. Added a new patch that refactors vfio_save_block().
>    3. Changed the pre-copy patch to cache and report pending pre-copy
>       size in the .state_pending_estimate() handler.
> - Removed unnecessary P2P code. This should be added later on when P2P
>    support is added. (Alex)
> - Moved the dirty sync to be after the DMA unmap in vfio_dma_unmap()
>    (patch #11). (Alex)
> - Stored vfio_devices_all_device_dirty_tracking()'s value in a local
>    variable in vfio_get_dirty_bitmap() so it can be re-used (patch #11).
> - Refactored the viommu device dirty tracking ranges creation code to
>    make it clearer (patch #15).
> - Changed overflow check in vfio_iommu_range_is_device_tracked() to
>    emphasize that we specifically check for 2^64 wrap around (patch #15).
> - Added R-bs / Acks.
>
> Thanks.
>
> [1]
> https://lore.kernel.org/qemu-devel/167658846945.932837.1420176491103357684.stgit@omen/
>
> [2]
> https://lore.kernel.org/kvm/20221206083438.37807-3-yishaih@nvidia.com/
>
> [3]
> https://lore.kernel.org/netdev/20220908183448.195262-4-yishaih@nvidia.com/

and here is v1 link:
[4]
https://lore.kernel.org/qemu-devel/20230126184948.10478-1-avihaih@nvidia.com/

Thanks.