On Thu, 22 May 2014 02:33:45 +0000 "chen.fan.f...@cn.fujitsu.com" <chen.fan.f...@cn.fujitsu.com> 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(-) > > >
