> -----Original Message-----
> From: David Miller [mailto:da...@davemloft.net]
> Sent: Tuesday, February 07, 2017 10:28 AM
> To: Grandhi, Sainath <sainath.gran...@intel.com>
> Cc: net...@vger.kernel.org; mah...@bandewar.net; linux-
> ker...@vger.kernel.org
> Subject: Re: [PATCHv4 0/7] Refactor macvtap to re-use tap functionality by
> other virtual intefaces
> 
> From: Sainath Grandhi <sainath.gran...@intel.com>
> Date: Mon,  6 Feb 2017 13:36:08 -0800
> 
> > Tap character devices can be implemented on other virtual interfaces
> > like ipvlan, similar to macvtap. Source code for tap functionality in
> > macvtap can be re-used for this purpose.
> >
> > This patch series splits macvtap source into two modules, macvtap and tap.
> > This patch series also includes a patch for implementing tap character
> > device driver based on the IP-VLAN network interface, called ipvtap.
> >
> > These patches are tested on x86 platform.
> 
> You're going to have to rework the module and Kconfig parts of this set of
> changes.
> 
> The user should not have to modify any existing Kconfig setting to get the
> same set of modules which already exist today.
> 
> Yet when I run "make oldconfig" after applying these changes it prompts me
> for:
> 
>     TAP module support for virtual interfaces (TAP) [N/m/y/?] (NEW)
> 
> And that's not really acceptable.  I had MACVTAP set, I should still get the
> infrastructure necessary to get that module built.
> 
> If you want to do patch #6 you have to do it in a way that is transparent to
> existing kernel configs.

Please check the next version of patches. Modified Kconfig to make TAP as an 
user non-visible symbol.

> 
> Thanks.

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