Re: build breakage due to br_multicast.c referencing ipv6_dev_get_saddr()

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> On 16.03.11 at 18:34, Brian Haley <brian.haley@xxxxxx> wrote:
> On 03/16/2011 08:34 AM, Jan Beulich wrote:
>> With BRIDGE=y and IPV6=m commit
>> fe29ec41aaa51902aebd63658dfb04fe6fea8be5 ("bridge: Use IPv6
>> link-local address for multicast listener queries") causes the build to
>> break.
>> 
>> Similary, even if both are =m, but ipv6.ko got blacklisted (as is
>> happening in various SuSE distros when disabling IPv6), there's
>> a runtime problem since bridge.ko then won't load anymore due
>> to the missing symbol.
> 
> Load the ipv6 module with disable=1, which is why I added it :)

Indeed, I realized there is such an option only after I sent
that mail. Nevertheless, I think it is overkill to load a huge
module like this just to satisfy never actually used symbol
references.

In fact, just like it seems bogus to load ipv6.ko in a pure IPv4
environment, I think the opposite is also true: IPv4 support
should be in a module, and it should be possible to not load
it in a pure IPv6 environment.

Jan

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