linux-kernel - RE: [5/7,v8] NUMA Hotplug Emulator: Support cpu probe/release in x86

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Message-ID: <A24AE1FFE7AEC5489F83450EE98351BF2A40FED661@shsmsx502.ccr.corp.intel.com>
Date:	Fri, 10 Dec 2010 09:35:08 +0800
From:	"Zheng, Shaohui" <shaohui.zheng@...el.com>
To:	David Rientjes <rientjes@...gle.com>, Tejun Heo <tj@...nel.org>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"haicheng.li@...ux.intel.com" <haicheng.li@...ux.intel.com>,
	"lethal@...ux-sh.org" <lethal@...ux-sh.org>,
	Andi Kleen <ak@...ux.intel.com>,
	"dave@...ux.vnet.ibm.com" <dave@...ux.vnet.ibm.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Ingo Molnar <mingo@...e.hu>,
	"Brown, Len" <len.brown@...el.com>,
	Yinghai Lu <Yinghai.Lu@....com>,
	"Li, Haicheng" <haicheng.li@...el.com>,
	Shaohui Zheng <shaohui.zheng@...ux.intel.com>
Subject: RE: [5/7,v8] NUMA Hotplug Emulator: Support cpu probe/release in
 x86_64

Both Tejun's and my patches are under review process, the hotplug emulator patchset is much earlier than Tejun's patch. Currently, I did not know how to handle this situation.

It seems that I have 3 options:
1) continue to send this patchset based on current upstream kernel  
2) continue to send this patchset based on upstream kernel + Tejun's patch
3) Postpone the patchset until Tejun's patches are accepted.

Can someone provide some suggestions? Thanks so much.

Thanks & Regards,
Shaohui


-----Original Message-----
From: David Rientjes [mailto:rientjes@...gle.com] 
Sent: Thursday, December 09, 2010 5:37 AM
To: Zheng, Shaohui; Tejun Heo
Cc: Andrew Morton; linux-mm@...ck.org; linux-kernel@...r.kernel.org; haicheng.li@...ux.intel.com; lethal@...ux-sh.org; Andi Kleen; dave@...ux.vnet.ibm.com; Greg Kroah-Hartman; Ingo Molnar; Brown, Len; Yinghai Lu; Li, Haicheng
Subject: Re: [5/7,v8] NUMA Hotplug Emulator: Support cpu probe/release in x86_64

On Tue, 7 Dec 2010, shaohui.zheng@...el.com wrote:

> From: Shaohui Zheng <shaohui.zheng@...el.com>
> 

This patch is undoubtedly going to conflict with Tejun's unification of 
the 32 and 64 bit NUMA boot paths, specifically the patch at 
http://marc.info/?l=linux-kernel&m=129087151912379.

Tejun, what's the status of that patchset posted on November 27?  Any 
comments about this change?
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