linux-kernel - Re: [GIT PULL] percpu fixes for 2.6.32-rc6

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Date:	Tue, 10 Nov 2009 20:37:05 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Tejun Heo <tj@...nel.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Yinghai Lu <yhlu.kernel@...il.com>
Subject: Re: [GIT PULL] percpu fixes for 2.6.32-rc6


* Tejun Heo <tj@...nel.org> wrote:

> In this case, as the second function needs to release to free the old 
> map, the extra unlock/lock pair is actually necessary.  Splitting into 
> two functions is fine but I think it would be better to fix it first 
> and then split them in following patches so that it can be bisected if 
> I screw up while splitting, right?

i think Linus's point was that this hack was the last straw that broke 
the camel's back, and that we are better off with a clean solution 
straight away. If you send the clean approach i can help test it on a 
good number of boxes.

	Ingo
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