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qemu-patch-raspberry4/migration
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Jens Freimann c7e0acd5a3 migration: add new migration state wait-unplug 
This patch adds a new migration state called wait-unplug.  It is entered
after the SETUP state if failover devices are present. It will transition
into ACTIVE once all devices were succesfully unplugged from the guest.

So if a guest doesn't respond or takes long to honor the unplug request
the user will see the migration state 'wait-unplug'.

In the migration thread we query failover devices if they're are still
pending the guest unplug. When all are unplugged the migration
continues. If one device won't unplug migration will stay in wait_unplug
state.

Signed-off-by: Jens Freimann <jfreimann@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20191029114905.6856-9-jfreimann@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
 		2019-10-29 18:55:26 -04:00
..
Makefile.objs COLO: Remove colo_state migration struct 2018-10-19 11:15:03 +08:00
block-dirty-bitmap.c block/dirty-bitmap: refactor bdrv_dirty_bitmap_next 2019-10-17 17:02:32 -04:00
block.c block/dirty-bitmap: add bs link 2019-10-17 17:02:32 -04:00
block.h migration: disable auto-converge during bulk block migration 2017-09-27 11:27:14 +01:00
channel.c migration: fix the multifd code when receiving less channels 2019-01-23 15:02:07 +00:00
channel.h migration: Route errors down through migration_channel_connect 2018-02-06 10:55:12 +00:00
colo-failover.c migration/colo.c: Remove redundant input parameter 2019-05-14 17:33:35 +01:00
colo.c sysemu: Split sysemu/runstate.h off sysemu/sysemu.h 2019-08-16 13:37:36 +02:00
exec.c migration: unify incoming processing 2018-07-10 12:48:53 +01:00
exec.h migration: Export exec.c functions in its own file 2017-06-01 18:49:22 +02:00
fd.c migration: Fix fd protocol for incoming defer 2019-06-05 12:43:55 +02:00
fd.h migration: Fix fd protocol for incoming defer 2019-06-05 12:43:55 +02:00
global_state.c sysemu: Split sysemu/runstate.h off sysemu/sysemu.h 2019-08-16 13:37:36 +02:00
migration.c migration: add new migration state wait-unplug 2019-10-29 18:55:26 -04:00
migration.h migration: add new migration state wait-unplug 2019-10-29 18:55:26 -04:00
page_cache.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
page_cache.h migration: Make cache_init() take an error parameter 2017-10-23 18:03:25 +02:00
postcopy-ram.c core: replace getpagesize() with qemu_real_host_page_size 2019-10-26 15:38:06 +02:00
postcopy-ram.h migration/postcopy: rename postcopy_ram_enable_notify to postcopy_ram_incoming_setup 2019-10-11 14:59:58 +01:00
qemu-file-channel.c Header cleanup patches for 2019-08-13 2019-08-16 14:53:43 +01:00
qemu-file-channel.h migration: Export qemu-file-channel.c functions in its own file 2017-05-18 19:20:50 +02:00
qemu-file.c migration/qemu-file: fix potential buf waste for extra buf_index adjustment 2019-09-12 11:23:32 +01:00
qemu-file.h Header cleanup patches for 2019-08-13 2019-08-16 14:53:43 +01:00
qjson.c qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF 2018-05-04 08:27:53 +02:00
qjson.h migration: fix vmdesc leak on vmstate_save() error 2019-09-25 15:51:19 +01:00
ram.c migration/multifd: pages->used would be cleared when attach to multifd_send_state 2019-10-11 15:02:06 +01:00
ram.h Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
rdma.c migration: Use automatic rcu_read unlock in rdma.c 2019-10-11 14:20:01 +01:00
rdma.h migration: Export rdma.c functions in its own file 2017-06-01 18:49:23 +02:00
savevm.c migration: add new migration state wait-unplug 2019-10-29 18:55:26 -04:00
savevm.h migration: add new migration state wait-unplug 2019-10-29 18:55:26 -04:00
socket.c multifd: Use number of channels as listen backlog 2019-09-03 23:24:42 +02:00
socket.h migration: Export functions to create send channels 2018-05-15 20:24:27 +02:00
tls.c migration: add support for a "tls-authz" migration parameter 2019-03-25 18:13:47 +01:00
tls.h migration: Export tls.c functions in its own file 2017-06-01 18:49:23 +02:00
trace-events migration: Support gtree migration 2019-10-11 17:52:31 +01:00
vmstate-types.c migration: Support gtree migration 2019-10-11 17:52:31 +01:00
vmstate.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
xbzrle.c migration: Create migration/xbzrle.h 2017-05-18 18:04:54 +02:00
xbzrle.h migration: Create migration/xbzrle.h 2017-05-18 18:04:54 +02:00