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pc: simplify MachineClass::get_hotplug_handler handling 

By default MachineClass::get_hotplug_handler is NULL and concrete board
should set it to it's own handler.
Considering there isn't any default handler, drop saving empty
MachineClass::get_hotplug_handler in child class and make PC code
consistent with spapr/s390x boards.

We can bring this back when actual usecase surfaces and do it
consistently across boards that use get_hotplug_handler().

Suggested-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-id: 1525691524-32265-2-git-send-email-imammedo@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Igor Mammedov 2018-05-10 18:10:56 +01:00 committed by Peter Maydell
parent 1839189bbf
commit 38aefb578d
2 changed files with 1 additions and 13 deletions
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6
hw/i386/pc.c
View File

@ -2051,15 +2051,12 @@ static void pc_machine_device_unplug_cb(HotplugHandler *hotplug_dev,
static HotplugHandler *pc_get_hotpug_handler(MachineState *machine,
DeviceState *dev)
{
PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(machine);
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) ||
object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
return HOTPLUG_HANDLER(machine);
}
return pcmc->get_hotplug_handler ?
pcmc->get_hotplug_handler(machine, dev) : NULL;
return NULL;
}
static void
@ -2339,7 +2336,6 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
NMIClass *nc = NMI_CLASS(oc);
pcmc->get_hotplug_handler = mc->get_hotplug_handler;
pcmc->pci_enabled = true;
pcmc->has_acpi_build = true;
pcmc->rsdp_in_ram = true;

8
include/hw/i386/pc.h
View File

@ -83,10 +83,6 @@ struct PCMachineState {
/**
* PCMachineClass:
*
* Methods:
*
* @get_hotplug_handler: pointer to parent class callback @get_hotplug_handler
*
* Compat fields:
*
* @enforce_aligned_dimm: check that DIMM's address/size is aligned by
@ -106,10 +102,6 @@ struct PCMachineClass {
/*< public >*/
/* Methods: */
HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
DeviceState *dev);
/* Device configuration: */
bool pci_enabled;
bool kvmclock_enabled;