Merge tag 'migration-20250110-pull-request' of https://gitlab.com/farosas/qemu into staging

Migration pull request

- compression:
  Shameer's fix for CONFIG_UADK build
  Yuan Liu fixes for zero-page, QPL, qatzip

- multifd sync cleanups, prereq. for VFIO and postcopy work

- fixes for 9.2 regressions:
  multifd with pre-9.0 -> post-9.1 migrations (#2720)
  s390x migration (#2704)

- fix for assertions during paused migrations; rework of
  late-block-activate logic (#2395, #686)

- fixes for compressed arrays creation and parsing, mostly affecting
  s390x

# -----BEGIN PGP SIGNATURE-----
#
# iQJEBAABCAAuFiEEqhtIsKIjJqWkw2TPx5jcdBvsMZ0FAmeBDgkQHGZhcm9zYXNA
# c3VzZS5kZQAKCRDHmNx0G+wxnSlUEACl31wY+77JxWnBva/eDDwnJ9HiCrqsoqaZ
# YIJJXNlk4lYJWNdZRt6p27exzWrQwm+kWKPECeCakgCMlfhnKCvejGq7iV/fJY4o
# D8hjE3t1htQ8mfblY1+bqzg3Rml59KwXxiqAwvlljbNWdkXruv026dq9vgJMzFhi
# ia043fOO1tYULIoawgmwmLEHnztht0v+ZTZ1v5KQbrH655tpxls/8kHc6v5PXEpA
# 3PSmCrCQh1dPtkYRjuJ9yHyfU+/T8tYwIjrU6VR1wQW7MBNkjtqNudaqAFiuyuqn
# P8gh4rAQrMhA9y+aq6xSoJP8XGkuOHxLQtlNutlmtbcQyZ7JqgLmK9ZLdoPf21sK
# //erV63NoyaciYB9Nk3NXflwroc6zyvo8A584kGNPwBznZOJLESP4SPvVm/nlE29
# vbyq8AWHRjFiqqf6P0ttQLAFkusZJzM1Y9UakF51hyVBX70yfqLG20XXZtIq/aZA
# GbBB2Fo0MIlbmWaur3vLsSzn7B8d++Gl9TTGcK/eIXJ1ANCuCxGv9fbXJQlP5F4I
# 3OAoSmAVJ2eqw4v0+2WMiEa8yUA5drNnDSI3VRkG+0K9jRfHKXki466/QQdGrNw7
# 8GuuzLBNai3gEKbavDU0Be73r982KjXeYXj7RuAkQfm0d4H7tiwtg91Cd1dPKfzh
# mhpmOFJDCg==
# =joNM
# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 10 Jan 2025 07:09:45 EST
# gpg:                using RSA key AA1B48B0A22326A5A4C364CFC798DC741BEC319D
# gpg:                issuer "farosas@suse.de"
# gpg: Good signature from "Fabiano Rosas <farosas@suse.de>" [unknown]
# gpg:                 aka "Fabiano Almeida Rosas <fabiano.rosas@suse.com>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: AA1B 48B0 A223 26A5 A4C3  64CF C798 DC74 1BEC 319D

* tag 'migration-20250110-pull-request' of https://gitlab.com/farosas/qemu: (25 commits)
  multifd: bugfix for incorrect migration data with qatzip compression
  multifd: bugfix for incorrect migration data with QPL compression
  multifd: bugfix for migration using compression methods
  s390x: Fix CSS migration
  migration: Fix arrays of pointers in JSON writer
  migration: Dump correct JSON format for nullptr replacement
  migration: Rename vmstate_info_nullptr
  migration: Fix parsing of s390 stream
  migration: Remove unused argument in vmsd_desc_field_end
  migration: Add more error handling to analyze-migration.py
  migration/block: Rewrite disk activation
  migration/block: Fix possible race with block_inactive
  migration/block: Apply late-block-active behavior to postcopy
  migration/block: Make late-block-active the default
  qmp/cont: Only activate disks if migration completed
  migration: Add helper to get target runstate
  migration/multifd: Fix compat with QEMU < 9.0
  migration/multifd: Document the reason to sync for save_setup()
  migration/multifd: Cleanup src flushes on condition check
  migration/multifd: Remove sync processing on postcopy
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>