diff options
Diffstat (limited to 'migration/savevm.c')
-rw-r--r-- | migration/savevm.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/migration/savevm.c b/migration/savevm.c index 41e3238..0ccd7e5 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -2579,6 +2579,18 @@ void qemu_loadvm_state_cleanup(void) /* Return true if we should continue the migration, or false. */ static bool postcopy_pause_incoming(MigrationIncomingState *mis) { + int i; + + /* + * If network is interrupted, any temp page we received will be useless + * because we didn't mark them as "received" in receivedmap. After a + * proper recovery later (which will sync src dirty bitmap with receivedmap + * on dest) these cached small pages will be resent again. + */ + for (i = 0; i < mis->postcopy_channels; i++) { + postcopy_temp_page_reset(&mis->postcopy_tmp_pages[i]); + } + trace_postcopy_pause_incoming(); assert(migrate_postcopy_ram()); |