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

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Date:   Fri, 25 May 2018 16:28:39 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     "Samudrala, Sridhar" <sridhar.samudrala@...el.com>
Cc:     mst@...hat.com, davem@...emloft.net, netdev@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        virtio-dev@...ts.oasis-open.org, jesse.brandeburg@...el.com,
        alexander.h.duyck@...el.com, kubakici@...pl, jasowang@...hat.com,
        loseweigh@...il.com, jiri@...nulli.us, aaron.f.brown@...el.com,
        anjali.singhai@...el.com
Subject: Re: [PATCH net-next v12 2/5] netvsc: refactor notifier/event
 handling code to use the failover framework

On Fri, 25 May 2018 16:11:47 -0700
"Samudrala, Sridhar" <sridhar.samudrala@...el.com> wrote:

> On 5/25/2018 3:34 PM, Stephen Hemminger wrote:
> > On Thu, 24 May 2018 09:55:14 -0700
> > Sridhar Samudrala <sridhar.samudrala@...el.com> 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.