diff mbox series

[v1,3/4] migration/debug: add checkpoint for migration consistency check

Message ID 1603720725-81206-4-git-send-email-zhengchuan@huawei.com
State New
Headers show
Series migration/debug: Add migration ram consistency check | expand

Commit Message

Zheng Chuan Oct. 26, 2020, 1:58 p.m. UTC 
Signed-off-by: Chuan Zheng <zhengchuan@huawei.com>
---
 migration/migration.c | 1 +
 migration/savevm.c    | 7 +++++++
 2 files changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/migration/migration.c b/migration/migration.c
index 0575ecb..f4434c4 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1678,6 +1678,7 @@  static void migrate_fd_cleanup(MigrationState *s)
         tmp = s->to_dst_file;
         s->to_dst_file = NULL;
         qemu_mutex_unlock(&s->qemu_file_lock);
+        MIGRATION_RAM_CONSISTENCY_CHECK();
         /*
          * Close the file handle without the lock to make sure the
          * critical section won't block for long.
diff --git a/migration/savevm.c b/migration/savevm.c
index ff33e21..5f989a8 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -2636,6 +2636,13 @@  int qemu_loadvm_state(QEMUFile *f)
     }
 
     qemu_loadvm_state_cleanup();
+    /*
+     * cpu_synchronize_all_post_init->kvm_put_msrs will update the
+     * kvmclock share-mem.
+     * So this's the latest point at which the ram is the same as source
+     */
+    MIGRATION_RAM_CONSISTENCY_CHECK();
+
     cpu_synchronize_all_post_init();
 
     return ret;