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Re: [Qemu-devel] [RFC 0/3] cpu: add device_add foo-x86_64-cpu support
From: |
Igor Mammedov |
Subject: |
Re: [Qemu-devel] [RFC 0/3] cpu: add device_add foo-x86_64-cpu support |
Date: |
Thu, 22 May 2014 15:33:36 +0200 |
On Thu, 22 May 2014 02:33:45 +0000
"address@hidden" <address@hidden> wrote:
> Hi,
> I think if we want to use 'device/device_add' to implement CPU,
> we must do some check before qemu_init_vcpu(). how can we to do that?
What check exactly would you like to perform?
For target-i38 you can look for kvm_check_features_against_host() in
x86_cpu_realizefn() doing check before qemu_init_vcpu().
>
> Thanks,
> Chen
>
> On Tue, 2014-05-13 at 18:08 +0800, Chen Fan wrote:
> > this patches tried to make cpu hotplug with device_add,
> > and made -device foo-x86_64-cpu available,also we can
> > set apic-id property with command line, if without setting
> > apic-id property, we added first unoccupied apic id as the
> > default new apic id. and hotplug cpu with device_add, we
> > must make check of APIC ID after cpu object initialization
> > that was different from 'cpu_add' command which check 'ids'
> > at the beginning.
> >
> > Chen Fan (3):
> > using CPUMASK bitmaps to calculate cpu index
> > cpu: introduce CpuTopoInfo structure for argument simplification
> > cpu: add device_add foo-x86_64-cpu support
> >
> > exec.c | 9 +++--
> > include/qom/cpu.h | 11 ++++++
> > include/sysemu/sysemu.h | 7 ----
> > qdev-monitor.c | 11 ++++++
> > target-i386/cpu.c | 91
> > ++++++++++++++++++++++++++++++++++++++++++++++++-
> > target-i386/topology.h | 51 ++++++++++++++++++---------
> > 6 files changed, 151 insertions(+), 29 deletions(-)
> >
>