On Wed, Jan 21, 2015 at 16:01:02 +0800, Zhu Guihua wrote:
> This patch implements live hotunplug of a cpu device.
>
> Signed-off-by: Zhu Guihua <zhugh.fnst@xxxxxxxxxxxxxx>
> ---
> src/qemu/qemu_driver.c | 2 ++
> src/qemu/qemu_hotplug.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++
> src/qemu/qemu_hotplug.h | 4 +++
> 3 files changed, 72 insertions(+)
>
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index ddc7eeb..004bc35 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -7077,6 +7077,8 @@ qemuDomainDetachDeviceLive(virDomainObjPtr vm,
> ret = qemuDomainDetachChrDevice(driver, vm, dev->data.chr);
> break;
> case VIR_DOMAIN_DEVICE_CPU:
> + ret = qemuDomainDetachCPUDevice(driver, vm, dev->data.cpu);
> + break;
> case VIR_DOMAIN_DEVICE_FS:
> case VIR_DOMAIN_DEVICE_INPUT:
> case VIR_DOMAIN_DEVICE_SOUND:
> diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
> index bff0d14..41013d9 100644
> --- a/src/qemu/qemu_hotplug.c
> +++ b/src/qemu/qemu_hotplug.c
> @@ -2876,6 +2876,20 @@ qemuDomainRemoveNetDevice(virQEMUDriverPtr driver,
>
>
> static int
> +qemuDomainRemoveCPUDevice(virDomainObjPtr vm,
> + virDomainCPUDefPtr cpu)
> +{
> + VIR_DEBUG("Removing cpu device %s from domain %p %s",
> + cpu->info.alias, vm, vm->def->name);
> +
> + virDomainCPURemove(vm->def, cpu);
> + virDomainCPUDefFree(cpu);
If cpu is not identical (in meaning of being the same pointer), just a
definition denoting the same device this will leak the definition that
was previously stored in vm->def.
> +
> + return 0;
> +}
> +
> +
> +static int
> qemuDomainRemoveChrDevice(virQEMUDriverPtr driver,
> virDomainObjPtr vm,
> virDomainChrDefPtr chr)
Peter
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