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Date:	Thu, 7 Aug 2014 18:44:35 +0200
From:	Geert Uytterhoeven <>
To:	Marcel Holtmann <>
Cc:	Alexander Aring <>,
	"David S. Miller" <>,,
	BlueZ development <>,,
	"" <>,
	"" <>
Subject: Re: [PATCH] 6lowpan: Allow 6LoWPAN to be modular

Hi Marcel,

On Thu, Aug 7, 2014 at 6:00 PM, Marcel Holtmann <> wrote:
>> Change config symbol 6LOWPAN from type bool to type tristate, so
>> 6LoWPAN can be built modular, just like IPV6
>> Signed-off-by: Geert Uytterhoeven <>
>> ---
>> net/6lowpan/Kconfig | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>> diff --git a/net/6lowpan/Kconfig b/net/6lowpan/Kconfig
>> index 028a5c6d1f61..e4a02ef55102 100644
>> --- a/net/6lowpan/Kconfig
>> +++ b/net/6lowpan/Kconfig
>> @@ -1,5 +1,5 @@
>> config 6LOWPAN
>> -     bool "6LoWPAN Support"
>> +     tristate "6LoWPAN Support"
> is this a regression from the previous CONFIG_6LOWPAN separation that we introduced? If it is, then it might be easiest if Dave just takes it into his net tree. Otherwise I take it through bluetooth-next.

I hadn't thought about that... Checking...

Yes, I believe this is a regression.

In v3.16, my allmodconfig build had:


Without my patch it has:


and iphc is what's in net/6lowpan/built-in.o now.



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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