Merge tag 'migration-20250711-pull-request' of https://gitlab.com/farosas/qemu into staging

Migration pull request

- General cleanups around: postcopy, bg-snapshot, migration hooks,
  migration completion and formatting of 'info migrate'.

- Overhaul of postcopy blocktime tracking.

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* tag 'migration-20250711-pull-request' of https://gitlab.com/farosas/qemu: (26 commits)
  migration: Rename save_live_complete_precopy_thread to save_complete_precopy_thread
  migration/postcopy: Add latency distribution report for blocktime
  migration/postcopy: blocktime allows track / report non-vCPU faults
  migration/postcopy: Optimize blocktime fault tracking with hashtable
  migration/postcopy: Cleanup the total blocktime accounting
  migration/postcopy: Cache the tid->vcpu mapping for blocktime
  migration/postcopy: Initialize blocktime context only until listen
  migration/postcopy: Report fault latencies in blocktime
  migration/postcopy: Add blocktime fault counts per-vcpu
  migration/postcopy: Bring blocktime layer to ns level
  migration/postcopy: Drop PostcopyBlocktimeContext.start_time
  migration/postcopy: Make all blocktime vars 64bits
  migration/postcopy: Drop all atomic ops in blocktime feature
  migration/postcopy: Push blocktime start/end into page req mutex
  migration: Add option to set postcopy-blocktime
  migration/postcopy: Avoid clearing dirty bitmap for postcopy too
  migration: Rewrite the migration complete detect logic
  migration/ram: Add tracepoints for ram_save_complete()
  migration/ram: One less indent for ram_find_and_save_block()
  migration: qemu_savevm_complete*() helpers
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

5 files changed, 7 insertions, 7 deletions

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 08615f6..40f53ad 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2518,7 +2518,7 @@ static void htab_save_cleanup(void *opaque)
 static SaveVMHandlers savevm_htab_handlers = {
     .save_setup = htab_save_setup,
     .save_live_iterate = htab_save_iterate,
-    .save_live_complete_precopy = htab_save_complete,
+    .save_complete = htab_save_complete,
     .save_cleanup = htab_save_cleanup,
     .load_state = htab_load,
 };
diff --git a/hw/s390x/s390-stattrib.c b/hw/s390x/s390-stattrib.c
index f74cf32..13a678a 100644
--- a/hw/s390x/s390-stattrib.c
+++ b/hw/s390x/s390-stattrib.c
@@ -338,7 +338,7 @@ static const TypeInfo qemu_s390_stattrib_info = {
 static SaveVMHandlers savevm_s390_stattrib_handlers = {
     .save_setup = cmma_save_setup,
     .save_live_iterate = cmma_save_iterate,
-    .save_live_complete_precopy = cmma_save_complete,
+    .save_complete = cmma_save_complete,
     .state_pending_exact = cmma_state_pending,
     .state_pending_estimate = cmma_state_pending,
     .save_cleanup = cmma_save_cleanup,
diff --git a/hw/vfio/migration-multifd.c b/hw/vfio/migration-multifd.c
index 850a319..5563548 100644
--- a/hw/vfio/migration-multifd.c
+++ b/hw/vfio/migration-multifd.c
@@ -583,7 +583,7 @@ vfio_save_complete_precopy_thread_config_state(VFIODevice *vbasedev,
 
 /*
  * This thread is spawned by the migration core directly via
- * .save_live_complete_precopy_thread SaveVMHandler.
+ * .save_complete_precopy_thread SaveVMHandler.
  *
  * It exits after either:
  * * completing saving the remaining device state and device config, OR:
@@ -592,7 +592,7 @@ vfio_save_complete_precopy_thread_config_state(VFIODevice *vbasedev,
  *   multifd_device_state_save_thread_should_exit() returning true.
  */
 bool
-vfio_multifd_save_complete_precopy_thread(SaveLiveCompletePrecopyThreadData *d,
+vfio_multifd_save_complete_precopy_thread(SaveCompletePrecopyThreadData *d,
                                           Error **errp)
 {
     VFIODevice *vbasedev = d->handler_opaque;
diff --git a/hw/vfio/migration-multifd.h b/hw/vfio/migration-multifd.h
index 0bab632..ebf22a7 100644
--- a/hw/vfio/migration-multifd.h
+++ b/hw/vfio/migration-multifd.h
@@ -26,7 +26,7 @@ bool vfio_multifd_load_state_buffer(void *opaque, char *data, size_t data_size,
 void vfio_multifd_emit_dummy_eos(VFIODevice *vbasedev, QEMUFile *f);
 
 bool
-vfio_multifd_save_complete_precopy_thread(SaveLiveCompletePrecopyThreadData *d,
+vfio_multifd_save_complete_precopy_thread(SaveCompletePrecopyThreadData *d,
                                           Error **errp);
 
 int vfio_multifd_switchover_start(VFIODevice *vbasedev);
diff --git a/hw/vfio/migration.c b/hw/vfio/migration.c
index b76697bd..c329578 100644
--- a/hw/vfio/migration.c
+++ b/hw/vfio/migration.c
@@ -824,7 +824,7 @@ static const SaveVMHandlers savevm_vfio_handlers = {
     .state_pending_exact = vfio_state_pending_exact,
     .is_active_iterate = vfio_is_active_iterate,
     .save_live_iterate = vfio_save_iterate,
-    .save_live_complete_precopy = vfio_save_complete_precopy,
+    .save_complete = vfio_save_complete_precopy,
     .save_state = vfio_save_state,
     .load_setup = vfio_load_setup,
     .load_cleanup = vfio_load_cleanup,
@@ -835,7 +835,7 @@ static const SaveVMHandlers savevm_vfio_handlers = {
      */
     .load_state_buffer = vfio_multifd_load_state_buffer,
     .switchover_start = vfio_switchover_start,
-    .save_live_complete_precopy_thread = vfio_multifd_save_complete_precopy_thread,
+    .save_complete_precopy_thread = vfio_multifd_save_complete_precopy_thread,
 };
 
 /* ---------------------------------------------------------------------- */