linux-kernel - Re: [RFC PATCH] powerpc/numa: initialize distance lookup table from drconf path

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Message-ID: <87fv5fynla.fsf@linux.vnet.ibm.com>
Date:	Fri, 26 Jun 2015 12:15:37 +0530
From:	Nikunj A Dadhania <nikunj@...ux.vnet.ibm.com>
To:	Anton Blanchard <anton@...ba.org>,
	"Michael Ellerman" <mpe@...erman.id.au>
Cc:	linuxppc-dev@...ts.ozlabs.org, paulus@...ba.org,
	linux-kernel@...r.kernel.org, bharata@...ux.vnet.ibm.com
Subject: Re: [RFC PATCH] powerpc/numa: initialize distance lookup table from drconf path


Hi Anton/Michael,

Nikunj A Dadhania <nikunj@...ux.vnet.ibm.com> writes:
> Hi Anton,
>
> Anton Blanchard <anton@...ba.org> writes:
>> Hi Nikunj,
>>
>>> From: Nikunj A Dadhania <nikunj@...ux.vnet.ibm.com>
>>> 
>>> powerpc/numa: initialize distance lookup table from drconf path
>>> 
>>> In some situations, a NUMA guest that supports
>>> ibm,dynamic-memory-reconfiguration node will end up having flat NUMA
>>> distances between nodes. This is because of two problems in the
>>> current code.
>>
>> Thanks for the patch. Have we tested that this doesn't regress the
>> non dynamic representation?
>
> Yes, that is tested. And works as expected.

If the patch looks fine, can this be pushed upstream ?

Regards,
Nikunj

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