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Re: [Qemu-ppc] [PATCH 0/2] monitor: increase the refcount of the current
From: |
Cornelia Huck |
Subject: |
Re: [Qemu-ppc] [PATCH 0/2] monitor: increase the refcount of the current CPU |
Date: |
Fri, 13 Oct 2017 10:46:22 +0200 |
On Fri, 13 Oct 2017 10:35:06 +0200
Greg Kurz <address@hidden> wrote:
> If a CPU selected with the "cpu" command is hot-unplugged then "info cpus"
> causes QEMU to exit:
>
> (qemu) device_del cpu1
> (qemu) info cpus
> qemu:qemu_cpu_kick_thread: No such process
>
> I could verify that this happens with x86 and ppc, but I guess s390x is
> also impacted.
Not really, as s390x does not support cpu unplug.
>
> This series tries to fix the issue by using object_ref() and object_unref()
> in the monitor code. For this to work on ppc, some preliminary work is
> needed to let QOM handle the CPU object lifecycle.
>
> Please comment.
>
> --
> Greg
>
> ---
>
> Greg Kurz (2):
> spapr_cpu_core: instantiate CPUs separately
> monitor: add proper reference counting of the current CPU
>
>
> hw/ppc/spapr.c | 10 +++-------
> hw/ppc/spapr_cpu_core.c | 29 +++++++++--------------------
> include/hw/ppc/spapr_cpu_core.h | 2 +-
> monitor.c | 12 ++++++++++++
> 4 files changed, 25 insertions(+), 28 deletions(-)
>
Re: [Qemu-ppc] [PATCH 0/2] monitor: increase the refcount of the current CPU,
Cornelia Huck <=