Re: [PATCH v3] of: Create asm-generic/of.h and provide default of_node_to_nid()

[Grant Likely]

On Mon, Jul 26, 2010 at 7:38 PM, David Miller <davem@xxxxxxxxxxxxx> wrote:
> From: Grant Likely <grant.likely@xxxxxxxxxxxx>
> Date: Mon, 26 Jul 2010 16:51:01 -0600
>
>> Indeed.  I looked at it briefly, but it wasn't immediately clear what
>> the impact would be to switch powerpc over to -1, and it looked to me
>> like sparc depends on -1 to signify no node association.
>
> Kernel wide, NUMA interfaces tend to take "-1" to mean "any node."
>
> I had looked over the powerpc cases, and besides 1 or 2 strange
> locations the powerpc call sites were ready to handle -1.

Okay, well let me rework the patch to make -1 the default and let
powerpc override it.  A follow-on patch can fix up the powerpc usage
of 0.

g.
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