# Re: \[PATCH net-next v12 2/5\] netvsc: refactor notifier/event handling code to use the failover framework

- From: Stephen Hemminger \<stephen@networkplumber.org\>
- Date: 2018-05-25 23:28:42 
- List: netdev
- Page: https://ratatoskr.run/netdev/2018/05/11097385
- Thread: https://ratatoskr.run/netdev/2018/05/11097172/t.md

```text
On Fri, 25 May 2018 16:11:47 -0700
"Samudrala, Sridhar" [ref] wrote:

> On 5/25/2018 3:34 PM, Stephen Hemminger wrote:
> > On Thu, 24 May 2018 09:55:14 -0700
> > Sridhar Samudrala [ref] wrote:
> >  
> >> --- a/drivers/net/hyperv/Kconfig
> >> +++ b/drivers/net/hyperv/Kconfig
> >> @@ -2,5 +2,6 @@ config HYPERV_NET
> >>   	tristate "Microsoft Hyper-V virtual network driver"
> >>   	depends on HYPERV
> >>   	select UCS2_STRING
> >> +	select FAILOVER  
> > When I take a working kernel config, add the patches then do
> > make oldconfig
> >
> > It is not autoselecting FAILOVER, it prompts me for it. This means
> > if user says no then a non-working netvsc device is made.  
> 
> I see
>     Generic failover module (FAILOVER) [M/y/?] (NEW)
> 
> So the user is given an option to either build as a Module or part of the
> kernel. 'n' is not an option.

With most libraries there is no prompt at all.
```
