linux-kernel - Re: [PATCHSET linux-2.6-x86:tip] x86: make percpu offsets zero-based on SMP

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Message-ID: <496D8CEB.5060402@zytor.com>
Date:	Tue, 13 Jan 2009 22:57:47 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Tejun Heo <tj@...nel.org>
CC:	Brian Gerst <brgerst@...il.com>, ebiederm@...ssion.com,
	cl@...ux-foundation.org, rusty@...tcorp.com.au, mingo@...e.hu,
	travis@....com, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, steiner@....com, hugh@...itas.com
Subject: Re: [PATCHSET linux-2.6-x86:tip] x86: make percpu offsets zero-based
 on SMP

Tejun Heo wrote:
> 
> I think the two changes aren't exclusive at all.  The order of things
> could be different but in the end, yeah, zero-based percpu symbols w/
> mostly empty pda is the goal.
> 
>> Once the PDA is empty, I'll base %gs at the start of the per-cpu
>> area.  I've been working out the bugs with the last patch
>> (zero-basing the percpu area) before submitting, but I probably
>> won't have the time until this weekend to polish it off.  I could
>> submit all but the last patch if you'd like.
> 
> Any chance you can rebase those patches on top of mine?  If you don't
> have time, just send them to me, I'll try to integrate them this week.
> 

A merged tree here would be absolutely wonderful.  I've kept an eye on
the discussion so far, but it looks like you guys are handling it fine.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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