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Message-ID: <alpine.LFD.0.9999.0711200848160.7601@localhost.localdomain>
Date: Tue, 20 Nov 2007 08:55:15 +0100 (CET)
From: Thomas Gleixner <tglx@...utronix.de>
To: Mike Travis <travis@....com>
cc: Andrew Morton <akpm@...ux-foundation.org>,
Suresh B Siddha <suresh.b.siddha@...el.com>,
Christoph Lameter <clameter@....com>,
linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 1/1] x86: convert-cpuinfo_x86-array-to-a-per_cpu-array
fix
On Wed, 14 Nov 2007, Mike Travis wrote:
> Hi Andrew,
>
> It appears that this patch is missing from the latest 2.6.24 git kernel?
>
> (Suresh noticed that it is still a problem.)
>
> Thanks,
> Mike
>
> This fix corrects the problem that early_identify_cpu() sets
> cpu_index to '0' (needed when called by setup_arch) after
> smp_store_cpu_info() had set it to the correct value.
>
> Signed-off-by: Mike Travis <travis@....com>
> ---
> arch/x86_64/kernel/smpboot.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- linux.orig/arch/x86_64/kernel/smpboot.c 2007-10-12 14:28:45.000000000 -0700
> +++ linux/arch/x86_64/kernel/smpboot.c 2007-10-12 14:53:42.753508152 -0700
> @@ -141,8 +141,8 @@ static void __cpuinit smp_store_cpu_info
> struct cpuinfo_x86 *c = &cpu_data(id);
>
> *c = boot_cpu_data;
> - c->cpu_index = id;
> identify_cpu(c);
> + c->cpu_index = id;
> print_cpu_info(c);
> }
The correct fix is already in mainline:
commit 699d934d5f958d7944d195c03c334f28cc0b3669
tglx
-
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