From 066e9b2710be887f435e0e899fa71f1f4314f702 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Tue, 23 Apr 2013 10:29:39 +0200 Subject: [PATCH] cpu: Introduce CPU hot-plug notifier MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Hot-add CPU event will be distributed to acpi_piix4 and rtc_cmos. Signed-off-by: Igor Mammedov Signed-off-by: Andreas Färber --- 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 010e412f0c..2fb71afa25 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 b91213e6b1..34fa8054b2 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); } }