Merge remote-tracking branch 'remotes/spice/tags/pull-spice-20160223-1' into staging

spice: initial opengl/virgl support, postcopy migration fix.

# gpg: Signature made Tue 23 Feb 2016 12:30:40 GMT using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/spice/tags/pull-spice-20160223-1:
  Postcopy+spice: Pass spice migration data earlier
  spice/gl: tweak debug messages.
  spice/gl: add unblock timer
  spice: add opengl/virgl/dmabuf support
  spice: reset cursor on resize
  egl-helpers: add functions for render nodes and dma-buf passing
  configure: add dma-buf support detection.
  spice: init dcl before registering qxl interface

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/migration/migration.c b/migration/migration.c
index a64cfcdb07..fc5e50b0be 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -905,6 +905,11 @@ bool migration_in_postcopy(MigrationState *s)
     return (s->state == MIGRATION_STATUS_POSTCOPY_ACTIVE);
 }
 
+bool migration_in_postcopy_after_devices(MigrationState *s)
+{
+    return migration_in_postcopy(s) && s->postcopy_after_devices;
+}
+
 MigrationState *migrate_init(const MigrationParams *params)
 {
     MigrationState *s = migrate_get_current();
@@ -930,6 +935,7 @@ MigrationState *migrate_init(const MigrationParams *params)
     s->setup_time = 0;
     s->dirty_sync_count = 0;
     s->start_postcopy = false;
+    s->postcopy_after_devices = false;
     s->migration_thread_running = false;
     s->last_req_rb = NULL;
 
@@ -1489,6 +1495,14 @@ static int postcopy_start(MigrationState *ms, bool *old_vm_running)
         goto fail_closefb;
     }
     qemu_fclose(fb);
+
+    /* Send a notify to give a chance for anything that needs to happen
+     * at the transition to postcopy and after the device state; in particular
+     * spice needs to trigger a transition now
+     */
+    ms->postcopy_after_devices = true;
+    notifier_list_notify(&migration_state_notifiers, ms);
+
     ms->downtime =  qemu_clock_get_ms(QEMU_CLOCK_REALTIME) - time_at_stop;
 
     qemu_mutex_unlock_iothread();