Il 21/03/2013 15:28, Igor Mammedov ha scritto:
> hot-added CPU id (APIC ID) will be distributed to acpi_piix4 and rtc_cmos
>
> Signed-off-by: Igor Mammedov <imamm...@redhat.com>
> ---
> include/sysemu/sysemu.h | 4 ++++
> stubs/Makefile.objs | 1 +
> stubs/qemu_system_cpu_hotplug_request.c | 5 +++++
> vl.c | 14 ++++++++++++++
> 4 files changed, 24 insertions(+), 0 deletions(-)
> create mode 100644 stubs/qemu_system_cpu_hotplug_request.c
>
> diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
> index 6578782..4b8f721 100644
> --- a/include/sysemu/sysemu.h
> +++ b/include/sysemu/sysemu.h
> @@ -152,6 +152,10 @@ 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_add_notifier(Notifier *notifier);
> +void qemu_system_cpu_hotplug_request(uint32_t id);
> +
> /* 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/stubs/Makefile.objs b/stubs/Makefile.objs
> index 9741e16..6a492f5 100644
> --- a/stubs/Makefile.objs
> +++ b/stubs/Makefile.objs
> @@ -25,3 +25,4 @@ stub-obj-y += vmstate.o
> stub-obj-$(CONFIG_WIN32) += fd-register.o
> stub-obj-y += resume_vcpu.o
> stub-obj-y += get_icc_bus.o
> +stub-obj-y += qemu_system_cpu_hotplug_request.o
You're adding one stub per patch. I think this is a sign that something
can be abstracted at a higher level (e.g. put something in cpus.c if it
is softmmu-specific), or that it is added at the wrong place.
For example, this notifier can go in qom/cpu.c.
(Besides, I noticed now the get_icc_bus stub. I didn't understand why
it's used, but anyway adding CPU-specific stuff to libqemustub is
absolutely a no-no).
Paolo
> diff --git a/stubs/qemu_system_cpu_hotplug_request.c
> b/stubs/qemu_system_cpu_hotplug_request.c
> new file mode 100644
> index 0000000..ad4f394
> --- /dev/null
> +++ b/stubs/qemu_system_cpu_hotplug_request.c
> @@ -0,0 +1,5 @@
> +#include <sysemu/sysemu.h>
> +
> +void qemu_system_cpu_hotplug_request(uint32_t id)
> +{
> +}
> diff --git a/vl.c b/vl.c
> index aeed7f4..fd95e43 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -1723,6 +1723,20 @@ void vm_start(void)
> }
> }
>
> +/* CPU hot-plug notifiers */
> +static NotifierList cpu_add_notifiers =
> + NOTIFIER_LIST_INITIALIZER(cpu_add_notifiers);
> +
> +void qemu_register_cpu_add_notifier(Notifier *notifier)
> +{
> + notifier_list_add(&cpu_add_notifiers, notifier);
> +}
> +
> +void qemu_system_cpu_hotplug_request(uint32_t id)
> +{
> + notifier_list_notify(&cpu_add_notifiers, &id);
> +}
> +
> /* reset/shutdown handler */
>
> typedef struct QEMUResetEntry {
>
