linux-kernel - Re: [PATCH 09/10] ppc64: Convert cpu_sibling_map to a per

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Date:	Mon, 17 Sep 2007 16:39:54 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	travis@....com
Cc:	Andrew Morton <akpm@...ux-foundation.org>, Andi Kleen <ak@...e.de>,
	Christoph Lameter <clameter@....com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	sparclinux@...r.kernel.org
Subject: Re: [PATCH 09/10] ppc64: Convert cpu_sibling_map to a per_cpu data
 array (v3)

On Mon, 17 Sep 2007 16:28:31 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> 	the topology (on my POWERPC5+ box) is not correct:
> 
> cpu0/topology/thread_siblings:0000000f
> cpu1/topology/thread_siblings:0000000f
> cpu2/topology/thread_siblings:0000000f
> cpu3/topology/thread_siblings:0000000f
> 
> it used to be:
> 
> cpu0/topology/thread_siblings:00000003
> cpu1/topology/thread_siblings:00000003
> cpu2/topology/thread_siblings:0000000c
> cpu3/topology/thread_siblings:0000000c

This would be because we are setting up the cpu_sibling map before we
call setup_per_cpu_areas().

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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