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

Collection of little cleanups anf bugfixes.
nbd patches in preparation of spice-nbd.

# gpg: Signature made Mon 16 Dec 2013 01:27:45 AM PST using RSA key ID D3E87138
# gpg: Can't check signature: public key not found

# By Marc-André Lureau (12) and Gerd Hoffmann (4)
# Via Gerd Hoffmann
* spice/tags/pull-spice-1:
  spice: stop server for qxl hard reset
  spice: move spice_server_vm_{start,stop} calls into qemu_spice_display_*()
  spice: move qemu_spice_display_*() from spice-graphics to spice-core
  nbd: avoid uninitialized warnings
  nbd: finish any pending coroutine
  nbd: make nbd_client_session_close() idempotent
  nbd: pass export name as init argument
  nbd: don't change socket block during negotiate
  Split nbd block client code
  spice-char: implement chardev port event
  char: add qemu_chr_fe_event()
  include: add missing config-host.h include
  qmp_change_blockdev() remove unused has_format
  spice-char: remove unused field
  vscclient: do not add a socket watch if there is not data to send
  spice: flip streaming video mode to off by default

1 files changed, 10 insertions, 0 deletions

diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index efdefd6622..e4f172e3fb 100644
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -1144,8 +1144,14 @@ static void qxl_soft_reset(PCIQXLDevice *d)
 
 static void qxl_hard_reset(PCIQXLDevice *d, int loadvm)
 {
+    bool startstop = qemu_spice_display_is_running(&d->ssd);
+
     trace_qxl_hard_reset(d->id, loadvm);
 
+    if (startstop) {
+        qemu_spice_display_stop();
+    }
+
     qxl_spice_reset_cursor(d);
     qxl_spice_reset_image_cache(d);
     qxl_reset_surfaces(d);
@@ -1159,6 +1165,10 @@ static void qxl_hard_reset(PCIQXLDevice *d, int loadvm)
     }
     qemu_spice_create_host_memslot(&d->ssd);
     qxl_soft_reset(d);
+
+    if (startstop) {
+        qemu_spice_display_start();
+    }
 }
 
 static void qxl_reset_handler(DeviceState *dev)