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envelope-from=lukasstraub2@web.de;\n helo=mout.web.de","X-Spam_score_int":"-24","X-Spam_score":"-2.5","X-Spam_bar":"--","X-Spam_report":"(-2.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7,\n RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"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 \n---\nChanges in v9:\n- Rebase onto master\n- Fix two rare bugs discovered during sresstesting the colo unit test\n- Link to v8: https://lore.kernel.org/qemu-devel/20260210-colo_unit_test_multifd-v8-0-7f9e5f7d082b@web.de\n\nChanges in v8:\n- Fix peter's review comments\n- Link to v7: https://lore.kernel.org/qemu-devel/20260210-colo_unit_test_multifd-v7-0-23bd32f36828@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 (19):\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 savevm command and mark it as deprecated\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 multifd: Fix hang if send thread errors during sync\n colo: Fix a rare crash during shutdown\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 | 44 +++--\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 | 20 +-\n migration/multifd.h | 5 +-\n migration/ram.c | 12 +-\n migration/savevm.c | 37 +---\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, 736 insertions(+), 444 deletions(-)\n---\nbase-commit: 314f2d7fe601b8dba2a88ac4870469e9f6bb8464\nchange-id: 20251230-colo_unit_test_multifd-8bf58dcebd46\n\nBest regards,"}