On 12/11/2015 08:42 PM, Eduardo Habkost wrote:
Instead of allocating a new struct just for PcGuestInfo and the
mchine_done Notifier, place them inside PCMachineState.

^^^^^^^^ "machine_done", ..... ^^ "it"

 it doesn't worth a new version, maybe the maintainer
can take care of it.


Signed-off-by: Eduardo Habkost <ehabk...@redhat.com>
---
  hw/i386/pc.c         | 27 ++++++++++-----------------
  include/hw/i386/pc.h |  2 ++
  2 files changed, 12 insertions(+), 17 deletions(-)

diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index f32000a..30cdfaf 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1155,18 +1155,12 @@ typedef struct PcRomPciInfo {
      uint64_t w64_max;
  } PcRomPciInfo;

-typedef struct PcGuestInfoState {
-    PcGuestInfo info;
-    Notifier machine_done;
-} PcGuestInfoState;
-
  static
-void pc_guest_info_machine_done(Notifier *notifier, void *data)
+void pc_machine_done(Notifier *notifier, void *data)
  {
-    PcGuestInfoState *guest_info_state = container_of(notifier,
-                                                      PcGuestInfoState,
-                                                      machine_done);
-    PCIBus *bus = PC_MACHINE(qdev_get_machine())->bus;
+    PCMachineState *pcms = container_of(notifier,
+                                        PCMachineState, machine_done);

good! no need for the ad-hoc qdev_get_machine() query anymore.

+    PCIBus *bus = pcms->bus;

      if (bus) {
          int extra_hosts = 0;
@@ -1177,21 +1171,20 @@ void pc_guest_info_machine_done(Notifier *notifier, 
void *data)
                  extra_hosts++;
              }
          }
-        if (extra_hosts && guest_info_state->info.fw_cfg) {
+        if (extra_hosts && pcms->acpi_guest_info.fw_cfg) {
              uint64_t *val = g_malloc(sizeof(*val));
              *val = cpu_to_le64(extra_hosts);
-            fw_cfg_add_file(guest_info_state->info.fw_cfg,
+            fw_cfg_add_file(pcms->acpi_guest_info.fw_cfg,
                      "etc/extra-pci-roots", val, sizeof(*val));
          }
      }

-    acpi_setup(&guest_info_state->info);
+    acpi_setup(&pcms->acpi_guest_info);
  }

  PcGuestInfo *pc_guest_info_init(PCMachineState *pcms)
  {
-    PcGuestInfoState *guest_info_state = g_malloc0(sizeof *guest_info_state);
-    PcGuestInfo *guest_info = &guest_info_state->info;
+    PcGuestInfo *guest_info = &pcms->acpi_guest_info;
      int i, j;

      guest_info->ram_size_below_4g = pcms->below_4g_mem_size;
@@ -1219,8 +1212,8 @@ PcGuestInfo *pc_guest_info_init(PCMachineState *pcms)
          }
      }

-    guest_info_state->machine_done.notify = pc_guest_info_machine_done;
-    qemu_add_machine_init_done_notifier(&guest_info_state->machine_done);
+    pcms->machine_done.notify = pc_machine_done;
+    qemu_add_machine_init_done_notifier(&pcms->machine_done);
      return guest_info;
  }

diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 84bc88f..74c0515 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -48,6 +48,8 @@ struct PCMachineState {

      /* State for other subsystems/APIs: */
      MemoryHotplugState hotplug_memory;
+    PcGuestInfo acpi_guest_info;

thanks for the clue, we know is some acpi related stuff.
you could get rid off the _guest_ and use  acpi_info,
but since is will be removed anyway there is no need for it.


+    Notifier machine_done;

      /* Pointers to devices and objects: */
      HotplugHandler *acpi_dev;



Reviewed-by: Marcel Apfelbaum <mar...@redhat.com>

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