linux-kernel - Re: linux-next: tip tree build warning

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Date:	Wed, 28 Oct 2009 08:31:45 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: tip tree build warning


* Stephen Rothwell <sfr@...b.auug.org.au> wrote:

> Hi all,
> 
> Today's linux-next build (x86_64 allmodconfig) produced this warning:
> 
> In file included from arch/x86/include/asm/smp.h:13,
>                  from arch/x86/include/asm/mmzone_64.h:12,
>                  from arch/x86/include/asm/mmzone.h:4,
>                  from include/linux/mmzone.h:783,
>                  from include/linux/gfp.h:4,
>                  from include/linux/kmod.h:22,
>                  from include/linux/module.h:13,
>                  from arch/x86/kernel/apic/apic_noop.c:14:
> arch/x86/include/asm/apic.h: In function 'default_apicid_to_cpu_present':
> arch/x86/include/asm/apic.h:591: warning: the frame size of 8192 bytes is larger than 2048 bytes
> 
> It may not have been caused by the tip tree, but I can't find what 
> changed to cause this and a commit from the tip tree has exposed it 
> (9844ab11c763bfed9f054c82366b19dcda66aca9 "x86, apic: Introduce the 
> NOOP apic driver").

That commit is very simple. Are you sure it's not GCC bogosity?

	Ingo
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