From: "Dr. David Alan Gilbert" <dgilb...@redhat.com>
The following changes since commit 1ba089f2255bfdb071be3ce6ac6c3069e8012179:
Merge remote-tracking branch 'remotes/armbru/tags/pull-qmp-2021-02-04' into
staging (2021-02-04 14:15:35 +0000)
are available in the Git repository at:
git://github.com/dagrh/qemu.git tags/pull-migration-20210204a
for you to fetch changes up to ef74d46576a9e5aff96f285b74150f341a525688:
migration: introduce snapshot-{save, load, delete} QMP commands (2021-02-04
16:29:03 +0000)
----------------------------------------------------------------
Migration pull 2020-02-04
New snapshot features:
a) Andrey's RAM snapshot feature using userfault-wp
b) Dan's native-QMP snapshots
Cleanups:
c) Jinhao's memory leeak fixes
d) Wainer's maybe unitialized fix
e) Markus's parameter fixes
Signed-off-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
----------------------------------------------------------------
Andrey Gruzdev (5):
migration: introduce 'background-snapshot' migration capability
migration: introduce UFFD-WP low-level interface helpers
migration: support UFFD write fault processing in ram_save_iterate()
migration: implementation of background snapshot thread
migration: introduce 'userfaultfd-wrlat.py' script
Daniel P. Berrangé (11):
block: push error reporting into bdrv_all_*_snapshot functions
migration: stop returning errno from load_snapshot()
block: add ability to specify list of blockdevs during snapshot
block: allow specifying name of block device for vmstate storage
block: rename and alter bdrv_all_find_snapshot semantics
migration: control whether snapshots are ovewritten
migration: wire up support for snapshot device selection
migration: introduce a delete_snapshot wrapper
iotests: add support for capturing and matching QMP events
iotests: fix loading of common.config from tests/ subdir
migration: introduce snapshot-{save, load, delete} QMP commands
Dr. David Alan Gilbert (2):
migration: Add blocker information
migration: Display the migration blockers
Jinhao Gao (3):
spapr_pci: Fix memory leak of vmstate_spapr_pci
savevm: Fix memory leak of vmstate_configuration
vmstate: Fix memory leak in vmstate_handle_alloc()
Markus Armbruster (4):
migration: Fix migrate-set-parameters argument validation
migration: Clean up signed vs. unsigned XBZRLE cache-size
migration: Fix cache_init()'s "Failed to allocate" error messages
migration: Fix a few absurdly defective error messages
Philippe Mathieu-Daudé (1):
migration: Make save_snapshot() return bool, not 0/-1
Wainer dos Santos Moschetta (1):
migration/qemu-file: Fix maybe uninitialized on qemu_get_buffer_in_place()
block/monitor/block-hmp-cmds.c | 7 +-
block/snapshot.c | 256 ++++++++++++++++++--------
hw/ppc/spapr_pci.c | 11 ++
include/block/snapshot.h | 23 ++-
include/exec/memory.h | 8 +
include/migration/snapshot.h | 47 ++++-
include/qemu/userfaultfd.h | 35 ++++
migration/migration.c | 409 +++++++++++++++++++++++++++++++++++++++--
migration/migration.h | 6 +-
migration/page_cache.c | 8 +-
migration/page_cache.h | 2 +-
migration/qemu-file.c | 2 +-
migration/ram.c | 305 +++++++++++++++++++++++++++++-
migration/ram.h | 8 +-
migration/savevm.c | 341 +++++++++++++++++++++++++++++-----
migration/savevm.h | 3 +
migration/trace-events | 2 +
migration/vmstate.c | 1 +
monitor/hmp-cmds.c | 45 +++--
qapi/job.json | 9 +-
qapi/migration.json | 218 ++++++++++++++++++++--
replay/replay-debugging.c | 12 +-
replay/replay-snapshot.c | 5 +-
scripts/userfaultfd-wrlat.py | 122 ++++++++++++
softmmu/vl.c | 2 +-
tests/qemu-iotests/267.out | 12 +-
tests/qemu-iotests/common.qemu | 106 ++++++++++-
tests/qemu-iotests/common.rc | 10 +-
util/meson.build | 1 +
util/trace-events | 9 +
util/userfaultfd.c | 345 ++++++++++++++++++++++++++++++++++
31 files changed, 2145 insertions(+), 225 deletions(-)
create mode 100644 include/qemu/userfaultfd.h
create mode 100755 scripts/userfaultfd-wrlat.py
create mode 100644 util/userfaultfd.c
