On 29.11.2011, at 07:41, Liu Yu wrote:
> When guest reset, we need to halt secondary cpus until guest kick them.
> This already works for tcg. The patch add the support for kvm.
>
> For kvm, if use in-kernel mpic, it should not be halted.
> In this case, we pause the sencondaries instead.
> This has impact to handling of halt exit,
> but fortunately, kvmppc doesn't use halt exit.
>
> Signed-off-by: Liu Yu <yu....@freescale.com>
> ---
> hw/ppce500_spin.c | 1 +
> target-ppc/kvm.c | 11 ++++++++++-
> 2 files changed, 11 insertions(+), 1 deletions(-)
>
> diff --git a/hw/ppce500_spin.c b/hw/ppce500_spin.c
> index cccd940..2b52728 100644
> --- a/hw/ppce500_spin.c
> +++ b/hw/ppce500_spin.c
> @@ -112,6 +112,7 @@ static void spin_kick(void *data)
>
> env->halted = 0;
> env->exception_index = -1;
> + env->stopped = 0;
> qemu_cpu_kick(env);
> }
>
> diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
> index 429349f..ff4cfdb 100644
> --- a/target-ppc/kvm.c
> +++ b/target-ppc/kvm.c
> @@ -504,7 +504,16 @@ void kvm_arch_post_run(CPUState *env, struct kvm_run
> *run)
>
> int kvm_arch_process_async_events(CPUState *env)
> {
> - return 0;
> + if (kvm_irqchip_in_kernel()) {
There is no in-kernel irqchip in upstream KVM for BookE. I'll drop this branch.
The rest is applied to ppc-next.
Alex
