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    "msgid": "<20260210-colo_unit_test_multifd-v7-0-23bd32f36828@web.de>",
    "list_archive_url": null,
    "date": "2026-02-10T14:26:12",
    "name": "[v7,00/18] migration: Add COLO multifd support and COLO migration unit test",
    "submitter": {
        "id": 76468,
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        "name": "Lukas Straub",
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            "date": "2026-02-10T14:26:13",
            "name": "migration: Add COLO multifd support and COLO migration unit test",
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        "From": "Lukas Straub <lukasstraub2@web.de>",
        "Subject": "[PATCH v7 00/18] migration: Add COLO multifd support and COLO\n migration unit test",
        "Date": "Tue, 10 Feb 2026 15:26:12 +0100",
        "Message-Id": "<20260210-colo_unit_test_multifd-v7-0-23bd32f36828@web.de>",
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        "X-Change-ID": "20251230-colo_unit_test_multifd-8bf58dcebd46",
        "To": "qemu-devel@nongnu.org",
        "Cc": "Peter Xu <peterx@redhat.com>, Fabiano Rosas <farosas@suse.de>,\n Laurent Vivier <lvivier@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>,\n Zhang Chen <zhangckid@gmail.com>,\n Hailiang Zhang <zhanghailiang@xfusion.com>,\n Markus Armbruster <armbru@redhat.com>, Li Zhijian <lizhijian@fujitsu.com>,\n \"Dr. David Alan Gilbert\" <dave@treblig.org>,\n Lukas Straub <lukasstraub2@web.de>, Juan Quintela <quintela@trasno.org>",
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    "content": "Hello everyone,\nThis has some cleanups for and adds multifd support and migration unit tests\nfor COLO migration.\n\nRegards,\nLukas\n\nSigned-off-by: Lukas Straub <lukasstraub2@web.de>\n---\nChanges in v7:\n- Fix peter's review comments\n- Link to v6: https://lore.kernel.org/qemu-devel/20260206-colo_unit_test_multifd-v6-0-27779dda139d@web.de\n\nChanges in v6:\n- Fix the crash when running COLO with TCG accel.\n- Link to v5: https://lore.kernel.org/qemu-devel/20260203-colo_unit_test_multifd-v5-0-57508b7389f6@web.de\n\nChanges in v5:\n- Remove unused inmports from multifd-colo.c\n- Mention the checkpoint overhead of reset to the Q35 fix\n- Link to v4: https://lore.kernel.org/qemu-devel/20260130-colo_unit_test_multifd-v4-0-7115ab6f0e77@web.de\n\nChanges in v4:\n- Add cleanup patches to remove migration_incoming_colo_enabled() and MIG_CMD_ENABLE_COLO\n- Add more comments to the colo unit test\n- Call colo_release_ram_cache() after multifd threads terminate\n- Link to v3: https://lore.kernel.org/qemu-devel/20260125-colo_unit_test_multifd-v3-0-ae926ccd8eae@web.de\n\nChanges in v3:\n- Fix peter's review comments.\n- Fix COLO with Q35 machine\n- Link to v2: https://lore.kernel.org/qemu-devel/20260117-colo_unit_test_multifd-v2-0-ab521777fa51@web.de\n\nChanges in v2:\n- Fix review comments\n- Hide stderr in colo migration test since the logged errors are expected\n- Add benchmarking data for multifd\n- Add myself as maintainer for COLO migration framework\n- Link to v1: https://lore.kernel.org/qemu-devel/20251230-colo_unit_test_multifd-v1-0-f9734bc74c71@web.de\n\n---\nLukas Straub (18):\n      MAINTAINERS: Add myself as maintainer for COLO migration framework\n      MAINTAINERS: Remove Hailiang Zhang from COLO migration framework\n      colo: Setup ram cache in normal migration path\n      colo: Replace migration_incoming_colo_enabled() with migrate_colo()\n      colo: Remove ENABLE_COLO loadvm command functions\n      colo: Don't send ENABLE_COLO command\n      ram: Remove colo special-casing\n      multifd: Move ram state receive into multifd_ram_state_recv()\n      multifd: Add COLO support\n      Call colo_release_ram_cache() after multifd threads terminate\n      colo: Fix crash during device vmstate load\n      colo: Hold the BQL while sending ram state\n      colo: Do not hold the BQL while receiving ram state.\n      migration-test: Add COLO migration unit test\n      Convert colo main documentation to restructuredText\n      qemu-colo.rst: Miscellaneous changes\n      qemu-colo.rst: Add my copyright\n      qemu-colo.rst: Simplify the block replication setup\n\n MAINTAINERS                        |   6 +-\n docs/COLO-FT.txt                   | 334 ----------------------------------\n docs/system/index.rst              |   1 +\n docs/system/qemu-colo.rst          | 362 +++++++++++++++++++++++++++++++++++++\n include/migration/colo.h           |   3 -\n migration/colo.c                   |  21 ++-\n migration/meson.build              |   2 +-\n migration/migration.c              |  61 ++-----\n migration/multifd-colo.c           |  44 +++++\n migration/multifd-colo.h           |  26 +++\n migration/multifd-nocomp.c         |  10 +-\n migration/multifd.c                |  19 +-\n migration/multifd.h                |   5 +-\n migration/ram.c                    |  12 +-\n migration/savevm.c                 |  30 +--\n migration/savevm.h                 |   1 -\n migration/trace-events             |   1 -\n tests/qtest/meson.build            |   7 +-\n tests/qtest/migration-test.c       |   1 +\n tests/qtest/migration/colo-tests.c | 198 ++++++++++++++++++++\n tests/qtest/migration/framework.h  |   5 +\n 21 files changed, 716 insertions(+), 433 deletions(-)\n---\nbase-commit: 0b91040d23dc8820724a60c811223b777f3bc6b7\nchange-id: 20251230-colo_unit_test_multifd-8bf58dcebd46\n\nBest regards,"
}