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SubjectRe: [PATCH v7 14/14] Documentation: remove the constraint on the distances of node pairs
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On 2016/8/31 1:55, Will Deacon wrote:
> On Sat, Aug 27, 2016 at 06:44:39PM +0800, Leizhen (ThunderTown) wrote:
>>
>>
>> On 2016/8/26 23:35, Will Deacon wrote:
>>> On Wed, Aug 24, 2016 at 03:44:53PM +0800, Zhen Lei wrote:
>>>> Update documentation. This limit is unneccessary.
>>>>
>>>> Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
>>>> Acked-by: Rob Herring <robh@kernel.org>
>>>> ---
>>>> Documentation/devicetree/bindings/numa.txt | 1 -
>>>> 1 file changed, 1 deletion(-)
>>>>
>>>> diff --git a/Documentation/devicetree/bindings/numa.txt b/Documentation/devicetree/bindings/numa.txt
>>>> index 21b3505..c0ea4a7 100644
>>>> --- a/Documentation/devicetree/bindings/numa.txt
>>>> +++ b/Documentation/devicetree/bindings/numa.txt
>>>> @@ -48,7 +48,6 @@ distance (memory latency) between all numa nodes.
>>>>
>>>> Note:
>>>> 1. Each entry represents distance from first node to second node.
>>>> - The distances are equal in either direction.
>>>
>>> Hmm, so what happens now if firmware provides a description where both
>>> distances (in either direction) are supplied, but are different?
>> I have not known any hardware that the distances of two direction are
>> different yet
>
> Then let's not add support for this just yet. When we have systems that
> actually need it, we'll be in a much better position to assess the
> suitability of any patches. At the moment, the whole thing is pretty
> questionable and it adds needless complication to the code.
How about I changed to:
To simplify the configuration, the distance of the opposite direction is the same to it by default.

>
> Will
>
> .
>

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