Hi
two items:
- Postcopy pull request (dave)
- fix for qemu_completion (Denis)
Please apply.
Thanks, Juan.
The following changes since commit ce278618b088afd10b91a05311eaeb6401bb5004:
configure: Don't disable optimization for non-fortify builds (2015-11-09
16:28:09 +0000)
are available in the git repository at:
git://github.com/juanquintela/qemu.git tags/migration/20151109
for you to fetch changes up to d1de612d6ed199a52a6f4823d89c1731c74edcb6:
migration: qemu_savevm_state_cleanup becomes mandatory operation (2015-11-09
18:26:06 +0100)
----------------------------------------------------------------
migration/next for 20151109
----------------------------------------------------------------
Denis V. Lunev (1):
migration: qemu_savevm_state_cleanup becomes mandatory operation
Dr. David Alan Gilbert (56):
Add postcopy documentation
Provide runtime Target page information
Move configuration section writing
Move page_size_init earlier
qemu_ram_block_from_host
qemu_ram_block_by_name
Rename mis->file to from_src_file
Add qemu_get_buffer_in_place to avoid copies some of the time
Add wrapper for setting blocking status on a QEMUFile
Add QEMU_MADV_NOHUGEPAGE
ram_debug_dump_bitmap: Dump a migration bitmap as text
ram_load: Factor out host_from_stream_offset call and check
migrate_init: Call from savevm
Rename save_live_complete to save_live_complete_precopy
Add Linux userfaultfd.h header
Return path: Open a return path on QEMUFile for sockets
Return path: socket_writev_buffer: Block even on non-blocking fd's
Migration commands
Return path: Control commands
Return path: Send responses from destination to source
migration_is_setup_or_active
Return path: Source handling of return path
Rework loadvm path for subloops
Add migration-capability boolean for postcopy-ram.
Add wrappers and handlers for sending/receiving the postcopy-ram
migration messages.
MIG_CMD_PACKAGED: Send a packaged chunk of migration stream
Modify save_live_pending for postcopy
postcopy: OS support test
migrate_start_postcopy: Command to trigger transition to postcopy
migration_completion: Take current state
MIGRATION_STATUS_POSTCOPY_ACTIVE: Add new migration state
Avoid sending vmdescription during postcopy
Add qemu_savevm_state_complete_postcopy
Postcopy: Maintain unsentmap
migration_completion: Take current state
postcopy: Incoming initialisation
postcopy: ram_enable_notify to switch on userfault
Postcopy: Postcopy startup in migration thread
Postcopy: End of iteration
Page request: Add MIG_RP_MSG_REQ_PAGES reverse command
Page request: Process incoming page request
Page request: Consume pages off the post-copy queue
postcopy_ram.c: place_page and helpers
Postcopy: Use helpers to map pages during migration
postcopy: Check order of received target pages
Don't sync dirty bitmaps in postcopy
Don't iterate on precopy-only devices during postcopy
Host page!=target page: Cleanup bitmaps
Round up RAMBlock sizes to host page sizes
Postcopy; Handle userfault requests
Start up a postcopy/listener thread ready for incoming page data
postcopy: Wire up loadvm_postcopy_handle_ commands
Postcopy: Mark nohugepage before discard
End of migration for postcopy
Disable mlock around incoming postcopy
Inhibit ballooning during postcopy
balloon.c | 11 +
docs/migration.txt | 191 ++++++++
exec.c | 92 +++-
hmp-commands.hx | 15 +
hmp.c | 7 +
hmp.h | 1 +
hw/ppc/spapr.c | 2 +-
hw/virtio/virtio-balloon.c | 4 +-
include/exec/cpu-common.h | 4 +
include/exec/exec-all.h | 1 -
include/exec/ram_addr.h | 2 -
include/migration/migration.h | 121 ++++-
include/migration/postcopy-ram.h | 99 ++++
include/migration/qemu-file.h | 10 +
include/migration/vmstate.h | 8 +-
include/qemu-common.h | 1 +
include/qemu/osdep.h | 9 +
include/qemu/typedefs.h | 3 +
include/sysemu/balloon.h | 2 +
include/sysemu/sysemu.h | 46 +-
kvm-all.c | 1 -
linux-headers/linux/userfaultfd.h | 167 +++++++
migration/Makefile.objs | 2 +-
migration/block.c | 9 +-
migration/migration.c | 723 +++++++++++++++++++++++++--
migration/postcopy-ram.c | 767 +++++++++++++++++++++++++++++
migration/qemu-file-unix.c | 111 ++++-
migration/qemu-file.c | 64 +++
migration/ram.c | 999 +++++++++++++++++++++++++++++++++++---
migration/savevm.c | 825 +++++++++++++++++++++++++++----
qapi-schema.json | 18 +-
qmp-commands.hx | 19 +
qtest.c | 1 -
trace-events | 84 +++-
vl.c | 1 +
35 files changed, 4168 insertions(+), 252 deletions(-)
create mode 100644 include/migration/postcopy-ram.h
create mode 100644 linux-headers/linux/userfaultfd.h
create mode 100644 migration/postcopy-ram.c
