linux-kernel - Re: 2.6.23-rc8-mm2: problems on HP nx6325

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Message-ID: <20070927165346.GA919@uranus.ravnborg.org>
Date:	Thu, 27 Sep 2007 18:53:46 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: 2.6.23-rc8-mm2: problems on HP nx6325

Hi Rafael.
> 
> Fix CPU hotplug breakage on HP nx6325 and similar boxes caused by a reference
> to disable_apic_timer (labeled as __initdata) from the CPU initialization code.
> 
> Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
> ---
>  arch/x86_64/kernel/apic.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Index: linux-2.6.23-rc8-mm2/arch/x86_64/kernel/apic.c
> ===================================================================
> --- linux-2.6.23-rc8-mm2.orig/arch/x86_64/kernel/apic.c
> +++ linux-2.6.23-rc8-mm2/arch/x86_64/kernel/apic.c
> @@ -42,7 +42,7 @@
>  
>  int apic_verbosity;
>  static int apic_calibrate_pmtmr __initdata;
> -int disable_apic_timer __initdata;
> +int disable_apic_timer __cpuinitdata;
>  
This is with your configuration a reference from a .text section
to a .init.data section as I see it.

So this ought to have been flagged by the section mismatch
checks in modpost.

I assume you did not see such warning??

	Sam
-
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