linux-kernel - Re: [BUGFIX][PATCH] cpu to node relationship fixup take2 [2/2] map cpu to node

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Message-ID: <4519137A.2050008@intel.com>
Date:	Tue, 26 Sep 2006 19:48:10 +0800
From:	"bibo,mao" <bibo.mao@...el.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
CC:	tony.luck@...el.com, akpm@...l.org, linux-ia64@...r.kernel.org,
	linux-kernel@...r.kernel.org, y-goto@...fujitsu.com
Subject: Re: [BUGFIX][PATCH] cpu to node relationship fixup take2 [2/2] map
 cpu to node

yes, the hot-fix works for me now :)

thanks
bibo,mao

KAMEZAWA Hiroyuki wrote:
> 
> Uh... sorry. How about this hot-fix ?
> 
> -Kame
> =========
> 
> 
> Non-NUMA case should be handled...
> 
> Signed-Off-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
> 
> Index: linux-2.6.18/arch/ia64/kernel/topology.c
> ===================================================================
> --- linux-2.6.18.orig/arch/ia64/kernel/topology.c	2006-09-26 20:31:25.000000000 +0900
> +++ linux-2.6.18/arch/ia64/kernel/topology.c	2006-09-26 20:34:03.000000000 +0900
> @@ -36,10 +36,8 @@
>  	 */
>  	if (!can_cpei_retarget() && is_cpu_cpei_target(num))
>  		sysfs_cpus[num].cpu.no_control = 1;
> -#ifdef CONFIG_NUMA
>  	map_cpu_to_node(num, node_cpuid[num].nid);
>  #endif
> -#endif
>  
>  	return register_cpu(&sysfs_cpus[num].cpu, num);
>  }
> Index: linux-2.6.18/include/asm-ia64/numa.h
> ===================================================================
> --- linux-2.6.18.orig/include/asm-ia64/numa.h	2006-09-26 20:31:25.000000000 +0900
> +++ linux-2.6.18/include/asm-ia64/numa.h	2006-09-26 20:33:49.000000000 +0900
> @@ -69,6 +69,8 @@
>  
>  
>  #else /* !CONFIG_NUMA */
> +#define map_cpu_to_node(cpu, nid)	do{}while(0)
> +#define unmap_cpu_from_node(cpu, nid)	do{}while(0)
>  
>  #define paddr_to_nid(addr)	0
>  
> 
> 
> 
-
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