Merge tag 'migration-staging-pull-request' of https://gitlab.com/peterx/qemu into staging

Migration / Memory pull

- Yanfei's optimization to skip log_clear during completion
- Fabiano's cleanup to remove leftover migration-helpers.c file
- Juraj's vnc fix on display pause after migration
- Jaehoon's cpr test fix on possible race of server establishment
- Chenyi's initial support on vfio enablement for guest-memfd

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* tag 'migration-staging-pull-request' of https://gitlab.com/peterx/qemu:
  physmem: Support coordinated discarding of RAM with guest_memfd
  ram-block-attributes: Introduce RamBlockAttributes to manage RAMBlock with guest_memfd
  memory: Unify the definiton of ReplayRamPopulate() and ReplayRamDiscard()
  memory: Change memory_region_set_ram_discard_manager() to return the result
  memory: Export a helper to get intersection of a MemoryRegionSection with a given range
  migration: Don't sync volatile memory after migration completes
  tests/migration: Setup pre-listened cpr.sock to remove race-condition.
  migration: Support fd-based socket address in cpr_transfer_input
  ui/vnc: Update display update interval when VM state changes to RUNNING
  tests/qtest: Remove migration-helpers.c
  migration/ram: avoid to do log clear in the last round

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/ui/vnc.c b/ui/vnc.c
index d095cd7da3..e9c30aad62 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -3385,6 +3385,16 @@ static const DisplayChangeListenerOps dcl_ops = {
     .dpy_cursor_define    = vnc_dpy_cursor_define,
 };
 
+static void vmstate_change_handler(void *opaque, bool running, RunState state)
+{
+    VncDisplay *vd = opaque;
+
+    if (state != RUN_STATE_RUNNING) {
+        return;
+    }
+    update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_BASE);
+}
+
 void vnc_display_init(const char *id, Error **errp)
 {
     VncDisplay *vd;
@@ -3421,6 +3431,8 @@ void vnc_display_init(const char *id, Error **errp)
     vd->dcl.ops = &dcl_ops;
     register_displaychangelistener(&vd->dcl);
     vd->kbd = qkbd_state_init(vd->dcl.con);
+    vd->vmstate_handler_entry = qemu_add_vm_change_state_handler(
+        &vmstate_change_handler, vd);
 }