On Fri, Apr 01, 2011 at 10:33:11AM +0200, Alexander Graf wrote:
> We're constantly developing and improving KVM, implementing new awesome
> features or simply fixing bugs in the existing code.
> 
> But do people actually use that new code? Are we maybe writing it all in
> vain? Wouldn't it be nice to have some feeling for the number of users
> actually using our code?
> 
> This patch enables us to stress test our automated test suite and at
> the same time figure out if we actually have users. When using a new
> kernel with this patch applied, the user will automatically send feedback,
> telling us that there are people out there, trying recent versions!
> 
> Signed-off-by: Alexander Graf <[email protected]>

Great idea :D

Acked-by: Joerg Roedel <[email protected]>

> ---
>  virt/kvm/kvm_main.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index 0df522f..45f06f3 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -1687,6 +1687,8 @@ static long kvm_vcpu_ioctl(struct file *filp,
>       vcpu_load(vcpu);
>       switch (ioctl) {
>       case KVM_RUN:
> +             /* Automatic user feedback */
> +             BUG();
>               r = -EINVAL;
>               if (arg)
>                       goto out;
> -- 
> 1.7.3.4
> 
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