[Discussion] how to implement external power down for ARM

Peter Maydell peter.maydell at linaro.org
Thu May 7 05:12:49 PDT 2015

On 7 May 2015 at 13:10, Shannon Zhao <zhaoshenglong at huawei.com> wrote:
> BTW, IIUC QEMU doesn't support the gracefully reboot support. The reboot
> depends on libvirt or other management tools. So the reboot case in
> virtualization is firstly poweroff, then start again.

I'm not sure what you mean by this -- QEMU supports 'reset this
VM' at the machine emulation level, so if we can tell the guest
to reboot then it should as part of this process issue the
PSCI SYSTEM_RESET command, which QEMU/KVM will then handle
to do a reset of the VM.

-- PMM

More information about the linux-arm-kernel mailing list