[PATCH 1/3] arm: kvm: clamp NR_VCPUS to MAX_VCPUS

[Alexander Graf]

Am 14.09.2013 um 07:10 schrieb Andrew Jones <drjones at redhat.com>:

> Signed-off-by: Andrew Jones <drjones at redhat.com>
> ---
> arch/arm/kvm/arm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
> index 741f66a2edbd7..9ebf8ac3a12ff 100644
> --- a/arch/arm/kvm/arm.c
> +++ b/arch/arm/kvm/arm.c
> @@ -201,7 +201,7 @@ int kvm_dev_ioctl_check_extension(long ext)
>        r = 1;
>        break;
>    case KVM_CAP_NR_VCPUS:
> -        r = num_online_cpus();
> +        r = min(num_online_cpus(), KVM_MAX_VCPUS);

Is there any real reason to prohibit overcommit?

Alex

>        break;
>    case KVM_CAP_MAX_VCPUS:
>        r = KVM_MAX_VCPUS;
> -- 
> 1.8.1.4
> 
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