diff options
| author | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2015-11-05 18:11:19 +0000 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2015-11-10 15:00:28 +0100 |
| commit | 27c6825bd3749758fb9fcad44f3759f593be8506 (patch) | |
| tree | 583397f30ac05c5fab4c26523c408ba4f855c1bf | |
| parent | c76201ab52b1dd53823cd81449d17b72224f1623 (diff) | |
| download | qemu-27c6825bd3749758fb9fcad44f3759f593be8506.tar.gz | |
postcopy: Wire up loadvm_postcopy_handle_ commands
Wire up more of the handlers for the commands on the destination side,
in particular loadvm_postcopy_handle_run now has enough to start the
guest running.
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>
Signed-off-by: Juan Quintela <quintela@redhat.com>
| -rw-r--r-- | migration/savevm.c | 28 | ||||
| -rw-r--r-- | trace-events | 2 |
2 files changed, 29 insertions, 1 deletions
diff --git a/migration/savevm.c b/migration/savevm.c index 6ef9e625f1..eb32199888 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -1479,12 +1479,33 @@ static int loadvm_postcopy_handle_listen(MigrationIncomingState *mis) static int loadvm_postcopy_handle_run(MigrationIncomingState *mis) { PostcopyState ps = postcopy_state_set(POSTCOPY_INCOMING_RUNNING); + Error *local_err = NULL; + trace_loadvm_postcopy_handle_run(); if (ps != POSTCOPY_INCOMING_LISTENING) { error_report("CMD_POSTCOPY_RUN in wrong postcopy state (%d)", ps); return -1; } + /* TODO we should move all of this lot into postcopy_ram.c or a shared code + * in migration.c + */ + cpu_synchronize_all_post_init(); + + qemu_announce_self(); + + /* Make sure all file formats flush their mutable metadata */ + bdrv_invalidate_cache_all(&local_err); + if (local_err) { + error_report_err(local_err); + return -1; + } + + trace_loadvm_postcopy_handle_run_cpu_sync(); + cpu_synchronize_all_post_init(); + + trace_loadvm_postcopy_handle_run_vmstart(); + if (autostart) { /* Hold onto your hats, starting the CPU */ vm_start(); @@ -1493,7 +1514,12 @@ static int loadvm_postcopy_handle_run(MigrationIncomingState *mis) runstate_set(RUN_STATE_PAUSED); } - return 0; + /* We need to finish reading the stream from the package + * and also stop reading anything more from the stream that loaded the + * package (since it's now being read by the listener thread). + * LOADVM_QUIT will quit all the layers of nested loadvm loops. + */ + return LOADVM_QUIT; } /** diff --git a/trace-events b/trace-events index 113029216d..a89778f99b 100644 --- a/trace-events +++ b/trace-events @@ -1215,6 +1215,8 @@ loadvm_handle_cmd_packaged_received(int ret) "%d" loadvm_postcopy_handle_advise(void) "" loadvm_postcopy_handle_listen(void) "" loadvm_postcopy_handle_run(void) "" +loadvm_postcopy_handle_run_cpu_sync(void) "" +loadvm_postcopy_handle_run_vmstart(void) "" loadvm_postcopy_ram_handle_discard(void) "" loadvm_postcopy_ram_handle_discard_end(void) "" loadvm_postcopy_ram_handle_discard_header(const char *ramid, uint16_t len) "%s: %ud" |