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migration: Sync requested pages after postcopy recovery

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We synchronize the requested pages right after a postcopy recovery happens.
This helps to synchronize the prioritized pages on source so that the faulted
threads can be served faster.

Reported-by: Xiaohui Li <xiaohli@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20201021212721.440373-5-peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Peter Xu 2020-10-21 17:27:19 -04:00 • committed by Dr. David Alan Gilbert
parent 8f8bfffcf1
commit 0c26781c09
2 changed files with 58 additions and 0 deletions
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migration/trace-events
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@ -49,6 +49,7 @@ vmstate_save(const char *idstr, const char *vmsd_name) "%s, %s"
vmstate_load(const char *idstr, const char *vmsd_name) "%s, %s"
postcopy_pause_incoming(void) ""
postcopy_pause_incoming_continued(void) ""
postcopy_page_req_sync(void *host_addr) "sync page req %p"
# vmstate.c
vmstate_load_field_error(const char *field, int ret) "field \"%s\" load failed, ret = %d"