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[Qemu-devel] [PATCH 05/29] cpu: Introduce CPU hot-plug notifier
From: |
Andreas Färber |
Subject: |
[Qemu-devel] [PATCH 05/29] cpu: Introduce CPU hot-plug notifier |
Date: |
Thu, 2 May 2013 15:35:31 +0200 |
From: Igor Mammedov <address@hidden>
Hot-add CPU event will be distributed to acpi_piix4 and rtc_cmos.
Signed-off-by: Igor Mammedov <address@hidden>
Signed-off-by: Andreas Färber <address@hidden>
---
include/sysemu/sysemu.h | 3 +++
qom/cpu.c | 12 ++++++++++++
2 files changed, 15 insertions(+)
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 010e412..2fb71af 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -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,
diff --git a/qom/cpu.c b/qom/cpu.c
index b91213e..34fa805 100644
--- a/qom/cpu.c
+++ b/qom/cpu.c
@@ -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);
}
}
--
1.8.1.4
- [Qemu-devel] [PULL for-1.5 00/29] QOM CPUState patch queue 2013-05-02, Andreas Färber, 2013/05/02
- [Qemu-devel] [PATCH 02/29] cpu: Call cpu_synchronize_post_init() from DeviceClass::realize(), Andreas Färber, 2013/05/02
- [Qemu-devel] [PATCH 01/29] cpu: Make kvm-stub.o available outside softmmu, Andreas Färber, 2013/05/02
- [Qemu-devel] [PATCH 10/29] cpu: Add helper cpu_exists(), to check if CPU with specified id exists, Andreas Färber, 2013/05/02
- [Qemu-devel] [PATCH 12/29] target-i386: Introduce feat2prop() for CPU properties, Andreas Färber, 2013/05/02
- [Qemu-devel] [PATCH 13/29] target-i386: Introduce apic-id CPU property, Andreas Färber, 2013/05/02
- [Qemu-devel] [PATCH 05/29] cpu: Introduce CPU hot-plug notifier,
Andreas Färber <=
- [Qemu-devel] [PATCH 09/29] cpus: Use qemu_for_each_cpu() in TCG thread, Andreas Färber, 2013/05/02
- [Qemu-devel] [PATCH 04/29] cpu: Resume CPU from DeviceClass::realize() if hot-plugged, Andreas Färber, 2013/05/02
- [Qemu-devel] [PATCH 08/29] cpu: Add qemu_for_each_cpu(), Andreas Färber, 2013/05/02
- [Qemu-devel] [PATCH 21/29] Add hot_add_cpu hook to QEMUMachine, Andreas Färber, 2013/05/02
- [Qemu-devel] [PATCH 14/29] target-i386: Do not allow to set apic-id once CPU is realized, Andreas Färber, 2013/05/02
- [Qemu-devel] [PATCH 03/29] cpu: Introduce cpu_resume(), for single CPU, Andreas Färber, 2013/05/02
- [Qemu-devel] [PATCH 11/29] acpi_piix4: Add infrastructure to send CPU hot-plug GPE to guest, Andreas Färber, 2013/05/02
- [Qemu-devel] [PATCH 06/29] pc: Update rtc_cmos on CPU hot-plug, Andreas Färber, 2013/05/02
- [Qemu-devel] [PATCH 19/29] target-i386: Attach ICC bus to CPU on its creation, Andreas Färber, 2013/05/02
- [Qemu-devel] [PATCH 22/29] QMP: Add cpu-add command, Andreas Färber, 2013/05/02