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migration: Add state records for migration incoming

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For migration destination, we also need to know its state,
we will use it in COLO.

Here we add a new member 'state' for MigrationIncomingState,
and also use migrate_set_state() to modify its value.

Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>

dgilbert: Fixed early free of MigraitonIncomingState
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Message-Id: <1450266458-3178-3-git-send-email-dgilbert@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
This commit is contained in:
zhanghailiang 2015-12-16 11:47:34 +00:00 • committed by Amit Shah
parent 48781e5bf2
commit 93d7af6ff0
2 changed files with 11 additions and 6 deletions
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include/migration/migration.h
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@ -105,6 +105,7 @@ struct MigrationIncomingState {
QemuMutex rp_mutex; /* We send replies from multiple threads */
void *postcopy_tmp_page;
int state;
/* See savevm.c */
LoadStateEntry_Head loadvm_handlers;
};