From mboxrd@z Thu Jan  1 00:00:00 1970
From: "David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH] fix iptables on systems with discontiguous processor ids
Date: Tue, 11 Oct 2005 23:31:49 -0700 (PDT)
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From: seb@frankengul.org
Date: Wed, 12 Oct 2005 08:22:18 +0200

> After building, the modules_install reports the symbol undefined.
> Well, I see now that it is only a lack of EXPORT_SYMBOL.

Aha, that makes sense.

> All smp arch used cpu_online_map and cpu_possible_map but sparc which
> used phys_cpu_present_map (a specificity of the sparc port I presume).

Yes, we do this because since we lack cpu hotplug support
this means "cpu present"=="cpu possible".