linux-kernel - Re: [PATCH -v2 3/6] x86, 64bit, numa: Put pgtable to local node memory

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Message-ID: <4D1BD928.50701@zytor.com>
Date:	Wed, 29 Dec 2010 16:58:16 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	David Rientjes <rientjes@...gle.com>
CC:	Yinghai Lu <yinghai@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -v2 3/6] x86, 64bit, numa: Put pgtable to local node memory

On 12/29/2010 04:39 PM, David Rientjes wrote:
> On Wed, 29 Dec 2010, Yinghai Lu wrote:
> 
>>>> -v2: update it to recent numa-emulation change
>>>>
>>>
>>> Lovely, yet another interbranch conflict.  This makes me very concerned.
>>>
>>> What is the delta between these?
>>>
>>
>> your new x86/numa have
>>
>>        setup_physnodes(addr, max_addr, acpi, amd);
>>        fake_physnodes(acpi, amd, num_nodes);
>>
>> instead of
>>
>>         acpi_fake_nodes(nodes, num_nodes);
>>
>> in  numa_emulation()
>>
> 
> That's from f51bf3073a1 (x86, numa: Fake apicid and pxm mappings for NUMA 
> emulation) and c1c3443c9c (x86, numa: Fake node-to-cpumask for NUMA 
> emulation) in x86/numa.  Given the subject line, I think your patchset is 
> targeted to the same branch so I'm not sure what's concerning?

No, it's part of a much bigger patchset which doesn't have anything to
do with NUMA.  That's the problem.

In other words, I need a sane way to merge them and resolve the conflict.

	-hpa

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