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cpu: Introduce CPU hot-plug notifier 

Hot-add CPU event will be distributed to acpi_piix4 and rtc_cmos.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Igor Mammedov 2013-04-23 10:29:39 +02:00 committed by Andreas Färber
parent 6afb4721f3
commit 066e9b2710
2 changed files with 15 additions and 0 deletions
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3
include/sysemu/sysemu.h
View File

@ -153,6 +153,9 @@ void do_pci_device_hot_remove(Monitor *mon, const QDict *qdict);
/* generic hotplug */
void drive_hot_add(Monitor *mon, const QDict *qdict);
/* CPU hotplug */
void qemu_register_cpu_added_notifier(Notifier *notifier);
/* pcie aer error injection */
void pcie_aer_inject_error_print(Monitor *mon, const QObject *data);
int do_pcie_aer_inject_error(Monitor *mon,

12
qom/cpu.c
View File

@ -21,6 +21,17 @@
#include "qom/cpu.h"
#include "qemu-common.h"
#include "sysemu/kvm.h"
#include "qemu/notify.h"
#include "sysemu/sysemu.h"
/* CPU hot-plug notifiers */
static NotifierList cpu_added_notifiers =
NOTIFIER_LIST_INITIALIZER(cpu_add_notifiers);
void qemu_register_cpu_added_notifier(Notifier *notifier)
{
notifier_list_add(&cpu_added_notifiers, notifier);
}
void cpu_reset_interrupt(CPUState *cpu, int mask)
{
@ -62,6 +73,7 @@ static void cpu_common_realizefn(DeviceState *dev, Error **errp)
if (dev->hotplugged) {
cpu_synchronize_post_init(cpu);
notifier_list_notify(&cpu_added_notifiers, dev);
cpu_resume(cpu);
}
}