[PATCH v5 1/2] arm64: kvm: allows kvm cpu hotplug

Marc Zyngier marc.zyngier at arm.com
Tue Jun 9 11:00:00 PDT 2015

Hi Takahiro,

On 29/05/15 06:38, AKASHI Takahiro wrote:
> The current kvm implementation on arm64 does cpu-specific initialization
> at system boot, and has no way to gracefully shutdown a core in terms of
> kvm. This prevents, especially, kexec from rebooting the system on a boot
> core in EL2.
> This patch adds a cpu tear-down function and also puts an existing cpu-init
> code into a separate function, kvm_arch_hardware_disable() and
> kvm_arch_hardware_enable() respectively.
> We don't need arm64-specific cpu hotplug hook any more.
> Since this patch modifies common part of code between arm and arm64, one
> stub definition, __cpu_reset_hyp_mode(), is added on arm side to avoid
> compiling errors.
> Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>

This is starting to look good. Any chance you or Geoff could repost the
whole series? This would help getting a better view of the whole thing,
and hopefully put it on track for 4.3.


Jazz is not dead. It just smells funny...

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