linux-kernel - Re: [PATCH 1/10] x86 boot: include missing smp.h header

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Message-ID: <482D8A0D.7020902@sgi.com>
Date:	Fri, 16 May 2008 06:20:13 -0700
From:	Mike Travis <travis@....com>
To:	Paul Jackson <pj@....com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jack Steiner <steiner@....com>,
	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org,
	"Huang, Ying" <ying.huang@...el.com>,
	Andi Kleen <andi@...stfloor.org>, Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH 1/10] x86 boot: include missing smp.h header

Acked-By: Mike Travis <travis@....com>

Paul Jackson wrote:
> From: Paul Jackson <pj@....com>
> 
> The patch:
>     x86: convert cpu_to_apicid to be a per cpu variable
> introduced a dependency of ipi.h on smp.h in x86
> builds with an allnoconfig.  Including smp.h in ipi.h
> fixes the build error:
>     In file included from arch/x86/kernel/traps_64.c:48:
>     include/asm/ipi.h: In function 'send_IPI_mask_sequence':
>     include/asm/ipi.h:114: error: 'per_cpu__x86_cpu_to_apicid' undeclared (first use in this function)
> 
> Signed-off-by: Paul Jackson <pj@....com>
> Cc: Mike Travis <travis@....com>
> 
> ---
>  include/asm-x86/ipi.h |    1 +
>  1 file changed, 1 insertion(+)
> 
> --- linux.orig/include/asm-x86/ipi.h	2008-05-13 10:44:39.000000000 -0700
> +++ linux/include/asm-x86/ipi.h	2008-05-13 10:56:37.431506774 -0700
> @@ -20,6 +20,7 @@
>  
>  #include <asm/hw_irq.h>
>  #include <asm/apic.h>
> +#include <asm/smp.h>
>  
>  /*
>   * the following functions deal with sending IPIs between CPUs.
> 

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