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authorDr. David Alan Gilbert <dgilbert@redhat.com>2015-11-05 18:11:18 +0000
committerJuan Quintela <quintela@redhat.com>2015-11-10 15:00:28 +0100
commitc76201ab52b1dd53823cd81449d17b72224f1623 (patch)
tree2fd45f9768cb9fe05975d87b6d01459f6f2c8ee4 /include/migration
parentc4faeed2313e2bf9aa3694544bd211c15e28c164 (diff)
Start up a postcopy/listener thread ready for incoming page data
The loading of a device state (during postcopy) may access guest memory that's still on the source machine and thus might need a page fill; split off a separate thread that handles the incoming page data so that the original incoming migration code can finish off the device data. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'include/migration')
-rw-r--r--include/migration/migration.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/migration/migration.h b/include/migration/migration.h
index 329d5358d5..fd018b74a2 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -93,6 +93,10 @@ struct MigrationIncomingState {
QemuThread fault_thread;
QemuSemaphore fault_thread_sem;
+ bool have_listen_thread;
+ QemuThread listen_thread;
+ QemuSemaphore listen_thread_sem;
+
/* For the kernel to send us notifications */
int userfault_fd;
/* To tell the fault_thread to quit */