892ae715b6
Currently we cleanup the migration object as we exit main after the main_loop finishes; however if there's a migration running things get messy and we can end up with the migration thread still trying to access freed structures. We now take a ref to the object around the migration thread itself, so the act of dropping the ref during exit doesn't cause us to lose the state until the thread quits. Cancelling the migration during migration also tries to get the thread to quit. We do this a bit earlier; so hopefully migration gets out of the way before all the devices etc are freed. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Tested-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20190227164900.16378-1-dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
/*
|
|
* QEMU migration miscellaneus exported functions
|
|
*
|
|
* Copyright IBM, Corp. 2008
|
|
*
|
|
* Authors:
|
|
* Anthony Liguori <aliguori@us.ibm.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2. See
|
|
* the COPYING file in the top-level directory.
|
|
*
|
|
*/
|
|
|
|
#ifndef MIGRATION_MISC_H
|
|
#define MIGRATION_MISC_H
|
|
|
|
#include "qemu/notify.h"
|
|
#include "qapi/qapi-types-net.h"
|
|
|
|
/* migration/ram.c */
|
|
|
|
void ram_mig_init(void);
|
|
|
|
/* migration/block.c */
|
|
|
|
#ifdef CONFIG_LIVE_BLOCK_MIGRATION
|
|
void blk_mig_init(void);
|
|
#else
|
|
static inline void blk_mig_init(void) {}
|
|
#endif
|
|
|
|
AnnounceParameters *migrate_announce_params(void);
|
|
/* migration/savevm.c */
|
|
|
|
void dump_vmstate_json_to_file(FILE *out_fp);
|
|
|
|
/* migration/migration.c */
|
|
void migration_object_init(void);
|
|
void migration_shutdown(void);
|
|
void qemu_start_incoming_migration(const char *uri, Error **errp);
|
|
bool migration_is_idle(void);
|
|
void add_migration_state_change_notifier(Notifier *notify);
|
|
void remove_migration_state_change_notifier(Notifier *notify);
|
|
bool migration_in_setup(MigrationState *);
|
|
bool migration_has_finished(MigrationState *);
|
|
bool migration_has_failed(MigrationState *);
|
|
/* ...and after the device transmission */
|
|
bool migration_in_postcopy_after_devices(MigrationState *);
|
|
void migration_global_dump(Monitor *mon);
|
|
|
|
/* migration/block-dirty-bitmap.c */
|
|
void dirty_bitmap_mig_init(void);
|
|
|
|
#endif
|