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[Qemu-devel] [PULL for-2.6 07/11] s390x/cpu: Allow hotplug of CPUs
From: |
Cornelia Huck |
Subject: |
[Qemu-devel] [PULL for-2.6 07/11] s390x/cpu: Allow hotplug of CPUs |
Date: |
Fri, 11 Mar 2016 10:56:38 +0100 |
From: Matthew Rosato <address@hidden>
Implement cpu hotplug routine and add the machine hook.
Signed-off-by: Matthew Rosato <address@hidden>
Reviewed-by: David Hildenbrand <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Cornelia Huck <address@hidden>
---
hw/s390x/s390-virtio-ccw.c | 10 ++++++++++
target-s390x/cpu.c | 7 +++++++
2 files changed, 17 insertions(+)
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 7fc1879..a84375b 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -186,6 +186,15 @@ static HotplugHandler
*s390_get_hotplug_handler(MachineState *machine,
return NULL;
}
+static void s390_hot_add_cpu(const int64_t id, Error **errp)
+{
+ MachineState *machine = MACHINE(qdev_get_machine());
+ Error *err = NULL;
+
+ s390x_new_cpu(machine->cpu_model, id, &err);
+ error_propagate(errp, err);
+}
+
static void ccw_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
@@ -194,6 +203,7 @@ static void ccw_machine_class_init(ObjectClass *oc, void
*data)
mc->init = ccw_init;
mc->reset = s390_machine_reset;
+ mc->hot_add_cpu = s390_hot_add_cpu;
mc->block_default_type = IF_VIRTIO;
mc->no_cdrom = 1;
mc->no_floppy = 1;
diff --git a/target-s390x/cpu.c b/target-s390x/cpu.c
index 3ae38fa..1cbf703 100644
--- a/target-s390x/cpu.c
+++ b/target-s390x/cpu.c
@@ -34,6 +34,7 @@
#ifndef CONFIG_USER_ONLY
#include "sysemu/arch_init.h"
#include "sysemu/sysemu.h"
+#include "hw/s390x/sclp.h"
#endif
#define CR0_RESET 0xE0UL
@@ -240,6 +241,12 @@ static void s390_cpu_realizefn(DeviceState *dev, Error
**errp)
scc->parent_realize(dev, &err);
+#if !defined(CONFIG_USER_ONLY)
+ if (dev->hotplugged) {
+ raise_irq_cpu_hotplug();
+ }
+#endif
+
out:
error_propagate(errp, err);
}
--
2.7.2
- [Qemu-devel] [PULL for-2.6 00/11] s390x patches for 2.6, Cornelia Huck, 2016/03/11
- [Qemu-devel] [PULL for-2.6 06/11] s390x/cpu: Add error handling to cpu creation, Cornelia Huck, 2016/03/11
- [Qemu-devel] [PULL for-2.6 01/11] s390x/cpu: Cleanup init in preparation for hotplug, Cornelia Huck, 2016/03/11
- [Qemu-devel] [PULL for-2.6 02/11] s390x/cpu: Set initial CPU state in common routine, Cornelia Huck, 2016/03/11
- [Qemu-devel] [PULL for-2.6 05/11] s390x/cpu: Add CPU property links, Cornelia Huck, 2016/03/11
- [Qemu-devel] [PULL for-2.6 03/11] s390x/cpu: Get rid of side effects when creating a vcpu, Cornelia Huck, 2016/03/11
- [Qemu-devel] [PULL for-2.6 08/11] pc-bios/s390-ccw: fix old bug in ptr increment, Cornelia Huck, 2016/03/11
- [Qemu-devel] [PULL for-2.6 04/11] s390x/cpu: Tolerate max_cpus, Cornelia Huck, 2016/03/11
- [Qemu-devel] [PULL for-2.6 09/11] s390x: Introduce machine definition macros, Cornelia Huck, 2016/03/11
- [Qemu-devel] [PULL for-2.6 07/11] s390x/cpu: Allow hotplug of CPUs,
Cornelia Huck <=
- [Qemu-devel] [PULL for-2.6 11/11] s390x/cpu: use g_new0, Cornelia Huck, 2016/03/11
- [Qemu-devel] [PULL for-2.6 10/11] s390x: Introduce S390MachineClass, Cornelia Huck, 2016/03/11
- Re: [Qemu-devel] [PULL for-2.6 00/11] s390x patches for 2.6, Peter Maydell, 2016/03/14