linux-kernel - Re: [PATCH] x86-32: Allocate irq stacks seperate from percpu area

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Message-ID: <20101027154302.GA22816@elte.hu>
Date:	Wed, 27 Oct 2010 17:43:02 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Tejun Heo <tj@...nel.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Brian Gerst <brgerst@...il.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86-32: Allocate irq stacks seperate from percpu area


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

> Hello, Ingo, Linus.
> 
> On 10/27/2010 05:33 PM, Ingo Molnar wrote:
> > Btw., the NUMA stuff never really worked percpu alloc, as per Eric's observation:
> 
> Oh, it works in general.  In this case, it's probably because the NUMA 
> configuration is rather weird in 32bit (but then again NUMA on 32bit is supposed 
> to be so).  I think it's just 32bit init code setting up early_cpu_to_node() 
> differently.

Yeah, i meant on x86 32-bit only - which the whole thread is about.

Thanks,

	Ingo
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