netdev - Re: [Patch net-next 1/2] net: fix a compile error when CONFIG_NET_LL_RX

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Date:	Thu, 01 Aug 2013 22:51:47 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eliezer.tamir@...ux.intel.com
Cc:	amwang@...hat.com, netdev@...r.kernel.org
Subject: Re: [Patch net-next 1/2] net: fix a compile error when
 CONFIG_NET_LL_RX_POLL is not set

From: Eliezer Tamir <eliezer.tamir@...ux.intel.com>
Date: Fri, 02 Aug 2013 06:04:11 +0300

> On 01/08/2013 23:03, David Miller wrote:
>> From: Cong Wang <amwang@...hat.com>
>> Date: Thu, 01 Aug 2013 16:08:07 +0800
>> 
>>> Thinking about it again, what is the point of your commit commit
>>> 89bf1b5a683df497c572c4d3bd3f9c9aa919d773 (net: remove NET_LL_RX_POLL
>>> config menue)? After that commit, CONFIG_NET_LL_RX_POLL is not visible
>>> by user and no other configs select it, also since it defaults to y, it
>>> will be _always_ enabled. If this is really what you want, we can simply
>>> remove all !CONFIG_NET_LL_RX_POLL code.
>> 
>> Yes we could do that, it has no dependencies which is the usual reason
>> to have a hidden Kconfig var like this.
> 
> I think we still need a config option that depends on net and the
> placeholder code.
> What happens then if someone does not configure networking?
> Won't this break select and poll?

Good point.
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