Merge tag 'migration-20260423-pull-request' of https://gitlab.com/farosas/qemu into staging

Migration pull request - Cleanups to internal vmstate APIs - Cleanups to handling of vmstate flags - New vmstate VMS_ARRAY_OF_POINTER_AUTO_ALLOC - Fixes to: - functional exec test - leaks in file migration - mapped-ram migration input validation - programming errors in qemu-file and multifd - qtest leaks - Additions to iochannel APIs: qio_channel_pread{v,}_all{,_eof} qio_channel_pwrite{v,}_all - New migration qtest for capabilities validation - Tweaks to documentation and checkpatch # -----BEGIN PGP SIGNATURE----- # # iQJEBAABCAAuFiEEqhtIsKIjJqWkw2TPx5jcdBvsMZ0FAmnqar8QHGZhcm9zYXNA # c3VzZS5kZQAKCRDHmNx0G+wxnQZzEACJcMspEO21PClDOwkhyqjIT0j2Xmyhe+B9 # OZkl42SnbXsKNDdORIKJ2U9oG2v+vzWccEMSqjV0jFyQJzrUfEvA0V2i5eH/zXuW # jUTgrOO5nbwbvPUk4BXGxnplRwB2BrKgjQ62WDgLEn/ZeW9KxUOuNcUCvAtJnljY # WFYOFn5oeV41TdGj7H5w7fzwYDsRYMUAB9lbr4MnRynSVq2aWrf+ddJpbPhC03fZ # t6hMyhIT3SnELMw1hnIOGbkYJn5gCHme6cnyMOUrnU/ws+2lExEL4X11sSCexRbo # N9zpJfi2U/wfiKrHPjUZ7InavaJm47WvzOQ1eC2I0v5xWY5G3wgvFJ9PAm3gtgr/ # n0QYf4xWpJ2rZDnFvKepXRqcndhNa6VYAhs4v2qVBH/9mSjhKHEqLMza6llZ/d/W # 4ovHK3OQp0NUDWkBmjYUEu/JCusKrWLMdzosm75Z0Vs/cG4ks4s5zb47NIFjFsnT # WWIK6dAi+27eiZ7BMflVx6La2DAFBc9b8jpO1Rxi3VyN2J7LTzXWIqshJ1Rap6wb # kNtVjQOtsLdURX6tKLthdzY1M7mgYm+W12l94X9OTZHZUcQwoYKO0P7FJ4YdKDh/ # lPEkAg5um66drxPM268E4jLBxzRWxhPz5SPgv2qeXRO9vkm6G2mapgQtWb00Ta4P # CitNkhqk0A== # =3vDa # -----END PGP SIGNATURE----- # gpg: Signature made Thu 23 Apr 2026 14:53:51 EDT # 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-20260423-pull-request' of https://gitlab.com/farosas/qemu: (43 commits) migration/qemu-file: drop incorrect const from qemu_get_buffer_at buf migration/file: switch file_write_ramblock_iov to pwritev_all migration/qemu-file: switch buffer_at functions to positioned I/O _all helpers tests/qtest/migration: fix fd leak in ufd_version_check tests/unit: add pread/pwrite _all tests for io channel file migration/file: fix type mismatch and NULL deref in multifd_file_recv_data io/channel: introduce qio_channel_pwrite{v,}_all() io/channel: introduce qio_channel_pread{v, }_all{, _eof}() migration: validate page_size in mapped-ram header before use tests/unit/test-vmstate: add tests for VMS_ARRAY_OF_POINTER_AUTO_ALLOC vmstate: Stop checking size for nullptr compression vmstate: Implement VMS_ARRAY_OF_POINTER_AUTO_ALLOC vmstate: Implement load of ptr marker in vmstate core vmstate: Allow vmstate_info_nullptr to emit non-NULL markers vmstate: Introduce vmstate_save_field_with_vmdesc() vmstate: Rename VMS_NULLPTR_MARKER to VMS_MARKER_PTR_NULL vmstate: Update max_elems early and check field compressable once vmstate: Do not set size for VMS_ARRAY_OF_POINTER vmstate: Pass in struct itself for VMSTATE_VARRAY_OF_POINTER_UINT32 vmstate: Pass in struct itself for VMSTATE_ARRAY_OF_POINTER ... Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>