Re: [PATCH v6 07/12] Add async PF initialization to PV guest.

[Marcelo Tosatti]

On Mon, Oct 04, 2010 at 05:56:29PM +0200, Gleb Natapov wrote:
> Enable async PF in a guest if async PF capability is discovered.
> 
> Signed-off-by: Gleb Natapov <gleb@xxxxxxxxxx>
> ---
>  Documentation/kernel-parameters.txt |    3 +
>  arch/x86/include/asm/kvm_para.h     |    5 ++
>  arch/x86/kernel/kvm.c               |   92 +++++++++++++++++++++++++++++++++++
>  3 files changed, 100 insertions(+), 0 deletions(-)
> 

> +static int __cpuinit kvm_cpu_notify(struct notifier_block *self,
> +				    unsigned long action, void *hcpu)
> +{
> +	int cpu = (unsigned long)hcpu;
> +	switch (action) {
> +	case CPU_ONLINE:
> +	case CPU_DOWN_FAILED:
> +	case CPU_ONLINE_FROZEN:
> +		smp_call_function_single(cpu, kvm_guest_cpu_notify, NULL, 0);

wait parameter should probably be 1.

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