Re: [PATCH v6 00/10] Fixed some bugs and optimized some codes for COLO

[Lukas Straub <lukasstraub2@web.de>]

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On Thu,  8 Apr 2021 23:20:46 -0400
leirao <lei.rao@intel.com> wrote:

> From: Rao, Lei <lei.rao@intel.com>
> 
> Changes since v5:
>         --Replaced g_slice_new calls with g_slice_new0.
> 
> Changes since v4:
>         --Replaced qemu_mutex_lock calls with QEMU_LOCK_GUARD in colo_bitmap_clear_dirty.
>         --Modify some minor issues about variable definition.
>         --Add some performance test data in the commit message.
> 
> Changes since v3:
>         --Remove cpu_throttle_stop from mig_throttle_counter_reset.
> 
> Changes since v2:
>         --Add a function named packet_new_nocopy.
>         --Continue to optimize the function of colo_flush_ram_cache.
> 
> Changes since v1:
>         --Reset the state of the auto-converge counters at every checkpoint instead of directly disabling.
>         --Treat the filter_send function returning zero as a normal case.
> 
> The series of patches include:
>         Fixed some bugs of qemu crash.
>         Optimized some code to reduce the time of checkpoint.
>         Remove some unnecessary code to improve COLO.
> 
> Rao, Lei (10):
>   Remove some duplicate trace code.
>   Fix the qemu crash when guest shutdown during checkpoint
>   Optimize the function of filter_send
>   Remove migrate_set_block_enabled in checkpoint
>   Add a function named packet_new_nocopy for COLO.
>   Add the function of colo_compare_cleanup
>   Reset the auto-converge counter at every checkpoint.
>   Reduce the PVM stop time during Checkpoint
>   Add the function of colo_bitmap_clear_dirty
>   Fixed calculation error of pkt->header_size in fill_pkt_tcp_info()
> 
>  migration/colo.c      | 10 +++----
>  migration/migration.c |  4 +++
>  migration/ram.c       | 83 +++++++++++++++++++++++++++++++++++++++++++++++++--
>  migration/ram.h       |  1 +
>  net/colo-compare.c    | 25 +++++++---------
>  net/colo-compare.h    |  1 +
>  net/colo.c            | 25 +++++++++++-----
>  net/colo.h            |  1 +
>  net/filter-mirror.c   |  8 ++---
>  net/filter-rewriter.c |  3 +-
>  net/net.c             |  4 +++
>  softmmu/runstate.c    |  1 +
>  12 files changed, 129 insertions(+), 37 deletions(-)
> 

I guess Zhang Chen can already take the network-related patches through his tree.

Regards,
Lukas Straub

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