netdev - Re: NETPOLL=y , NETDEVICES=n compile error ( Re: 2.6.23-rc1-mm1 )

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Date:	Tue, 31 Jul 2007 10:32:10 +0200
From:	Jarek Poplawski <jarkao2@...pl>
To:	Gabriel C <nix.or.die@...glemail.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	jason.wessel@...driver.com, amitkale@...syssoft.com
Subject: Re: NETPOLL=y , NETDEVICES=n compile error ( Re: 2.6.23-rc1-mm1 )

On 28-07-2007 20:42, Gabriel C wrote:
> Andrew Morton wrote:
>> On Sat, 28 Jul 2007 17:44:45 +0200 Gabriel C <nix.or.die@...glemail.com> wrote:
>>
>>> Hi,
>>>
>>> I got this compile error with a randconfig ( http://194.231.229.228/MM/randconfig-auto-82.broken.netpoll.c ).
>>>
>>> ...
>>>
>>> net/core/netpoll.c: In function 'netpoll_poll':
>>> net/core/netpoll.c:155: error: 'struct net_device' has no member named 'poll_controller'
>>> net/core/netpoll.c:159: error: 'struct net_device' has no member named 'poll_controller'
>>> net/core/netpoll.c: In function 'netpoll_setup':
>>> net/core/netpoll.c:670: error: 'struct net_device' has no member named 'poll_controller'
>>> make[2]: *** [net/core/netpoll.o] Error 1
>>> make[1]: *** [net/core] Error 2
>>> make: *** [net] Error 2
>>> make: *** Waiting for unfinished jobs....
>>>
>>> ...
>>>
>>>
>>> I think is because KGDBOE selects just NETPOLL.
>>>
>> Looks like it.
>>
>> Select went and selected NETPOLL and NETPOLL_TRAP but things like
>> CONFIG_NETDEVICES and CONFIG_NET_POLL_CONTROLLER remain unset.  `select'
>> remains evil.
...
> I think there may be a logical issue ( again if I got it right ).
> We need some ethernet card to work with kgdboe right ? but we don't have any if !NETDEVICES && !NET_ETHERNET.
> 
> So maybe some ' depends on ... && NETDEVICES!=n && NET_ETHERNET!=n ' is needed too ? 

IMHO, the only logical issue here is netpoll.c mustn't use 
CONFIG_NET_POLL_CONTROLLER code without #ifdef if it doesn't
add this dependency itself.

Cheers,
Jarek P. 
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