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Fixed a QEMU hang when guest poweroff in COLO mode

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When the PVM guest poweroff, the COLO thread may wait a semaphore
in colo_process_checkpoint().So, we should wake up the COLO thread
before migration shutdown.

Signed-off-by: Lei Rao <lei.rao@intel.com>
Reviewed-by: Zhang Chen <chen.zhang@intel.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Rao, Lei 2021-11-11 10:11:33 +08:00 • committed by Juan Quintela
parent 0e0f0479e2
commit 795969ab1f
3 changed files with 27 additions and 0 deletions
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include/migration/colo.h
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@ -37,4 +37,5 @@ COLOMode get_colo_mode(void);
void colo_do_failover(void);
void colo_checkpoint_notify(void *opaque);
void colo_shutdown(void);
#endif