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Re: [Qemu-devel] [RFC qom-cpu v3 00/10] i386: add cpu hot remove support
From: |
chenfan |
Subject: |
Re: [Qemu-devel] [RFC qom-cpu v3 00/10] i386: add cpu hot remove support |
Date: |
Mon, 16 Sep 2013 16:11:32 +0800 |
On Mon, 2013-09-16 at 09:13 +0200, Andreas Färber wrote:
> Hi,
>
> Am 16.09.2013 04:40, schrieb Chen Fan:
> > Via implementing ACPI standard methods _EJ0 in bios, after Guest OS hot
> > remove
> > one vCPU, it is able to send a signal to QEMU, then QEMU could notify
> > the assigned vCPU of exiting. meanwhile, and intruduce the QOM command
> > 'cpu-del' to remove
> > vCPU from QEMU itself.
> >
> > this work is based on Andreas Färber's qom-cpu branch tree.
> > git://github.com/afaerber/qemu-cpu.git
>
> Patch 04/10 is not yet 100% like I think it needs to be wrt unrealize,
I just use a simpler way to realize the function unrealize. do you have
any good suggestion?
> but I would like to start cherry-picking APIC preparations from this
> series. Since this is still an RFC, permission to do so?
Yes,of course,This will be very helpful for me.
Thanks.
>
> Regards,
> Andreas
>
> >
> > this series patches must be used with seabios patch and KVM patch together.
> >
> > for KVM patches:
> > http://comments.gmane.org/gmane.comp.emulators.kvm.devel/114347
> >
> > for seabios patches:
> > http://comments.gmane.org/gmane.comp.emulators.qemu/230460
> >
> > Chen Fan (10):
> > x86: move apic_state field from CPUX86State to X86CPU
> > apic: remove redundant variable 'apic_no' from apic_init_common()
> > apic: remove local_apics array and using CPU_FOREACH instead
> > x86: add x86_cpu_unrealizefn() for cpu apic remove
> > qmp: add 'cpu-del' command support
> > qom cpu: rename variable 'cpu_added_notifier' to
> > 'cpu_hotplug_notifier'
> > qom cpu: add UNPLUG cpu notifier support
> > i386: implement pc interface pc_hot_del_cpu()
> > piix4: implement function cpu_status_write() for vcpu ejection
> > cpus: reclaim allocated vCPU objects
> >
> > cpu-exec.c | 2 +-
> > cpus.c | 51 ++++++++++++++++++++++++--
> > hw/acpi/piix4.c | 66 +++++++++++++++++++++++++++------
> > hw/i386/kvm/apic.c | 8 ++++
> > hw/i386/kvmvapic.c | 8 ++--
> > hw/i386/pc.c | 51 +++++++++++++++++++++-----
> > hw/i386/pc_piix.c | 1 +
> > hw/intc/apic.c | 81
> > ++++++++++++++++++++---------------------
> > hw/intc/apic_common.c | 6 +--
> > include/hw/boards.h | 2 +
> > include/hw/i386/apic_internal.h | 2 -
> > include/hw/i386/pc.h | 1 +
> > include/qom/cpu.h | 20 ++++++++++
> > include/sysemu/kvm.h | 1 +
> > include/sysemu/sysemu.h | 2 +-
> > kvm-all.c | 25 +++++++++++++
> > qapi-schema.json | 12 ++++++
> > qmp-commands.hx | 23 ++++++++++++
> > qmp.c | 9 +++++
> > qom/cpu.c | 26 ++++++++++---
> > target-i386/cpu-qom.h | 5 +++
> > target-i386/cpu.c | 57 +++++++++++++++++++++++------
> > target-i386/cpu.h | 4 --
> > target-i386/helper.c | 9 ++---
> > target-i386/kvm.c | 23 +++++-------
> > target-i386/misc_helper.c | 8 ++--
> > 26 files changed, 380 insertions(+), 123 deletions(-)
> >
>
>
- [Qemu-devel] [RFC qom-cpu v3 05/10] qmp: add 'cpu-del' command support, (continued)
- [Qemu-devel] [RFC qom-cpu v3 05/10] qmp: add 'cpu-del' command support, Chen Fan, 2013/09/15
- [Qemu-devel] [RFC qom-cpu v3 01/10] x86: move apic_state field from CPUX86State to X86CPU, Chen Fan, 2013/09/15
- [Qemu-devel] [RFC qom-cpu v3 09/10] piix4: implement function cpu_status_write() for vcpu ejection, Chen Fan, 2013/09/15
- [Qemu-devel] [RFC qom-cpu v3 06/10] qom cpu: rename variable 'cpu_added_notifier' to 'cpu_hotplug_notifier', Chen Fan, 2013/09/15
- [Qemu-devel] [RFC qom-cpu v3 03/10] apic: remove local_apics array and using CPU_FOREACH instead, Chen Fan, 2013/09/15
- [Qemu-devel] [RFC qom-cpu v3 08/10] i386: implement pc interface pc_hot_del_cpu(), Chen Fan, 2013/09/15
- [Qemu-devel] [RFC qom-cpu v3 04/10] x86: add x86_cpu_unrealizefn() for cpu apic remove, Chen Fan, 2013/09/15
- [Qemu-devel] [RFC qom-cpu v3 10/10] cpus: reclaim allocated vCPU objects, Chen Fan, 2013/09/15
- [Qemu-devel] [RFC qom-cpu v3 07/10] qom cpu: add UNPLUG cpu notifier support, Chen Fan, 2013/09/15
- Re: [Qemu-devel] [RFC qom-cpu v3 00/10] i386: add cpu hot remove support, Andreas Färber, 2013/09/16
- Re: [Qemu-devel] [RFC qom-cpu v3 00/10] i386: add cpu hot remove support,
chenfan <=