[PULL 00/39] Migration 20231024 patches

[Juan Quintela]

The following changes since commit a95260486aa7e78d7c7194eba65cf03311ad94ad:

  Merge tag 'pull-tcg-20231023' of https://gitlab.com/rth7680/qemu into staging 
(2023-10-23 14:45:46 -0700)

are available in the Git repository at:

  https://gitlab.com/juan.quintela/qemu.git tags/migration-20231024-pull-request

for you to fetch changes up to 088f7f03da3f5b3487091302b795c22b1bfe56fb:

  migration: Deprecate old compression method (2023-10-24 13:48:24 +0200)

----------------------------------------------------------------
Migration Pull request (20231024)

Hi

In this PULL:
- vmstate registration fixes (thomas, juan)
- start merging vmstate_section_needed changes (marc)
- migration depreactions (juan)
- migration documentation for backwards compatibility (juan)

Please apply.

----------------------------------------------------------------

Juan Quintela (31):
  migration/doc: Add contents
  migration/doc: Add documentation for backwards compatiblity
  migration/doc: How to migrate when hosts have different features
  migration/doc: We broke backwards compatibility
  migration: Receiving a zero page non zero is an error
  migration: Rename ram_handle_compressed() to ram_handle_zero()
  migration: Give one error if trying to set MULTIFD and XBZRLE
  migration: Give one error if trying to set COMPRESSION and XBZRLE
  migration: Remove save_page_use_compression()
  migration: Make compress_data_with_multithreads return bool
  migration: Simplify compress_page_with_multithread()
  migration: Move busy++ to migrate_with_multithread
  migration: Create compress_update_rates()
  migration: Export send_queued_data()
  migration: Move ram_flush_compressed_data() to ram-compress.c
  migration: Merge flush_compressed_data() and compress_flush_data()
  migration: Rename ram_compressed_pages() to compress_ram_pages()
  migration: Create vmstate_register_any()
  migration: Use vmstate_register_any()
  migration: Use vmstate_register_any() for isa-ide
  migration: Use VMSTATE_INSTANCE_ID_ANY for slirp
  migration: Hack to maintain backwards compatibility for ppc
  migration: Improve example and documentation of vmstate_register()
  migration: Use vmstate_register_any() for audio
  migration: Use vmstate_register_any() for eeprom93xx
  migration: Use vmstate_register_any() for vmware_vga
  qemu-iotests: Filter warnings about block migration being deprecated
  migration: migrate 'inc' command option is deprecated.
  migration: migrate 'blk' command option is deprecated.
  migration: Deprecate block migration
  migration: Deprecate old compression method

Marc-André Lureau (2):
  migration: rename vmstate_save_needed->vmstate_section_needed
  migration: set file error on subsection loading

Peter Xu (1):
  migration: Check in savevm_state_handler_insert for dups

Thomas Huth (5):
  hw/ipmi: Don't call vmstate_register() from instance_init() functions
  hw/s390x/s390-skeys: Don't call register_savevm_live() during
    instance_init()
  hw/s390x/s390-stattrib: Simplify handling of the "migration-enabled"
    property
  hw/s390x/s390-stattrib: Don't call register_savevm_live() during
    instance_init()
  migration/ram: Fix compilation with -Wshadow=local

 docs/about/deprecated.rst        |  35 ++
 docs/devel/migration.rst         | 532 ++++++++++++++++++++++++++++++-
 qapi/migration.json              |  93 ++++--
 include/migration/vmstate.h      |  30 +-
 migration/ram-compress.h         |  10 +-
 migration/ram.h                  |   3 +-
 audio/audio.c                    |   2 +-
 backends/dbus-vmstate.c          |   3 +-
 backends/tpm/tpm_emulator.c      |   3 +-
 hw/display/vmware_vga.c          |   2 +-
 hw/i2c/core.c                    |   2 +-
 hw/ide/isa.c                     |   2 +-
 hw/input/adb.c                   |   2 +-
 hw/input/ads7846.c               |   2 +-
 hw/input/stellaris_input.c       |   3 +-
 hw/intc/xics.c                   |  18 +-
 hw/ipmi/ipmi_bmc_extern.c        |  29 +-
 hw/ipmi/isa_ipmi_bt.c            |  34 +-
 hw/ipmi/isa_ipmi_kcs.c           |  50 +--
 hw/net/eepro100.c                |   3 +-
 hw/nvram/eeprom93xx.c            |   2 +-
 hw/pci/pci.c                     |   2 +-
 hw/ppc/spapr.c                   |  25 +-
 hw/ppc/spapr_nvdimm.c            |   3 +-
 hw/s390x/s390-skeys.c            |  35 +-
 hw/s390x/s390-stattrib.c         |  71 ++---
 hw/timer/arm_timer.c             |   2 +-
 hw/virtio/virtio-mem.c           |   4 +-
 migration/block.c                |   3 +
 migration/migration-hmp-cmds.c   |  10 +
 migration/migration.c            |  10 +
 migration/options.c              |  36 ++-
 migration/ram-compress.c         | 112 +++++--
 migration/ram.c                  | 114 ++-----
 migration/rdma.c                 |   8 +-
 migration/savevm.c               |  34 +-
 migration/vmstate.c              |   5 +-
 net/slirp.c                      |   5 +-
 tests/qemu-iotests/183           |   2 +-
 tests/qemu-iotests/common.filter |   7 +
 40 files changed, 1041 insertions(+), 307 deletions(-)

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2.41.0