[PATCH v4 0/6] migration/rdma: fixes, refactor and cleanup

[Li Zhijian]

- It fix the RDMA migration broken issue
- disable RDMA + postcopy
- some cleanups
- Add a qtest for RDMA at last

Changes since V3:
- check RDMA and capabilities are compatible on both sides # renamed from
  previous V3's "migration: Add 
migration_capabilities_and_transport_compatible()"

Changes since V2:
- squash previous 2/3/4 to '[PATCH v3 5/6] migration: Unfold  
control_save_page()'
- reorder the patch layout to prevent recently added code from being deleted 
again.
- collect Reviewed tags from Peter

Changes since V1[0]:
Add some saparate patches to refactor and cleanup based on V1

[0] 
20250218074345.638203-1-lizhijian@fujitsu.com/">https://lore.kernel.org/qemu-devel/20250218074345.638203-1-lizhijian@fujitsu.com/


Li Zhijian (6):
  migration: Prioritize RDMA in ram_save_target_page()
  migration: check RDMA and capabilities are compatible on both sides
  migration: disable RDMA + postcopy-ram
  migration/rdma: Remove redundant migration_in_postcopy checks
  migration: Unfold control_save_page()
  migration: Add qtest for migration over RDMA

 MAINTAINERS                           |  1 +
 migration/migration.c                 | 30 ++++++++-----
 migration/options.c                   | 25 +++++++++++
 migration/options.h                   |  1 +
 migration/ram.c                       | 41 +++++------------
 migration/rdma.c                      | 11 ++---
 migration/rdma.h                      |  3 +-
 scripts/rdma-migration-helper.sh      | 41 +++++++++++++++++
 tests/qtest/migration/precopy-tests.c | 64 +++++++++++++++++++++++++++
 9 files changed, 168 insertions(+), 49 deletions(-)
 create mode 100755 scripts/rdma-migration-helper.sh

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2.44.0