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Re: [Qemu-devel] [PATCH 12/12] target-i386: implement CPU hot-add
From: |
Igor Mammedov |
Subject: |
Re: [Qemu-devel] [PATCH 12/12] target-i386: implement CPU hot-add |
Date: |
Wed, 3 Apr 2013 21:01:48 +0200 |
On Wed, 03 Apr 2013 20:22:17 +0200
Andreas Färber <address@hidden> wrote:
> Am 03.04.2013 19:58, schrieb Igor Mammedov:
> > On Wed, 27 Mar 2013 12:19:01 +0100
> > Paolo Bonzini <address@hidden> wrote:
> >
> >> Il 21/03/2013 15:28, Igor Mammedov ha scritto:
> >>> + if (x86_cpu_is_cpu_exist(qdev_get_machine(), &apic_id)) {
> >>
> >> Similarly, can this be done in qmp_cpu_set? And should it really be an
> > I've tried to abstract qmp part from target/implementation details.
> > We could introduce global func like, and then use it if from QMP subsystem:
> > bool is_cpu_exist(int64_t id) {
> > ... iterate over CPUs ...
> > if (cpu->get_firmware_id() == id)
> > return true;
> > ...
> > }
> >
> > Andreas, Is it acceptable if I add it to qom/cpu.h,
>
> If you make it cpu_exists() then sure,
>
> > qom/cpu.c ?
>
> but this is not going to work yet, you may need to place it in cpus.c
> due to first_cpu and next_cpu operating on CPUArchState.
I actually do recursive search on QOM tree /machine for TYPE_CPU avoiding
usage of first_cpu and next_cpu. So it's abstracted from CPUArchState.
>
> Andreas
>
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>
--
Regards,
Igor