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sh: Fix up cpu to node mapping in sysfs.
Currently cpu_to_node() is always 0 in the UP case, though we do want to have the CPU association linked in under sysfs even in the cases where we're only on a single CPU. Fix this up, so we have the cpu0 link on all of the available nodes that don't already have a CPU link of their own. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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@ -1,3 +1,12 @@
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/*
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* arch/sh/kernel/topology.c
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*
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* Copyright (C) 2007 Paul Mundt
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/cpu.h>
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#include <linux/cpumask.h>
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#include <linux/init.h>
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@ -23,6 +32,18 @@ static int __init topology_init(void)
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__FUNCTION__, i, ret);
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}
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#if defined(CONFIG_NUMA) && !defined(CONFIG_SMP)
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/*
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* In the UP case, make sure the CPU association is still
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* registered under each node. Without this, sysfs fails
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* to make the connection between nodes other than node0
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* and cpu0.
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*/
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for_each_online_node(i)
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if (i != numa_node_id())
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register_cpu_under_node(raw_smp_processor_id(), i);
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#endif
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return 0;
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}
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subsys_initcall(topology_init);
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