x86: move {un}map_cpu_to_logical_apicid to smpboot.c
Move map_cpu_to_logical_apicid() and unmap_cpu_to_logical_apicid() to smpboot.c. They take together all the bunch of static functions they rely upon Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -50,6 +50,66 @@ static cpumask_t cpu_sibling_setup_map;
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/* Set if we find a B stepping CPU */
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int __cpuinitdata smp_b_stepping;
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#if defined(CONFIG_NUMA) && defined(CONFIG_X86_32)
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/* which logical CPUs are on which nodes */
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cpumask_t node_to_cpumask_map[MAX_NUMNODES] __read_mostly =
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{ [0 ... MAX_NUMNODES-1] = CPU_MASK_NONE };
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EXPORT_SYMBOL(node_to_cpumask_map);
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/* which node each logical CPU is on */
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int cpu_to_node_map[NR_CPUS] __read_mostly = { [0 ... NR_CPUS-1] = 0 };
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EXPORT_SYMBOL(cpu_to_node_map);
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/* set up a mapping between cpu and node. */
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static void map_cpu_to_node(int cpu, int node)
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{
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printk(KERN_INFO "Mapping cpu %d to node %d\n", cpu, node);
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cpu_set(cpu, node_to_cpumask_map[node]);
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cpu_to_node_map[cpu] = node;
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}
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/* undo a mapping between cpu and node. */
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static void unmap_cpu_to_node(int cpu)
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{
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int node;
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printk(KERN_INFO "Unmapping cpu %d from all nodes\n", cpu);
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for (node = 0; node < MAX_NUMNODES; node++)
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cpu_clear(cpu, node_to_cpumask_map[node]);
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cpu_to_node_map[cpu] = 0;
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}
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#else /* !(CONFIG_NUMA && CONFIG_X86_32) */
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#define map_cpu_to_node(cpu, node) ({})
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#define unmap_cpu_to_node(cpu) ({})
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#endif
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#ifdef CONFIG_X86_32
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u8 cpu_2_logical_apicid[NR_CPUS] __read_mostly =
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{ [0 ... NR_CPUS-1] = BAD_APICID };
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void map_cpu_to_logical_apicid(void)
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{
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int cpu = smp_processor_id();
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int apicid = logical_smp_processor_id();
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int node = apicid_to_node(apicid);
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if (!node_online(node))
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node = first_online_node;
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cpu_2_logical_apicid[cpu] = apicid;
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map_cpu_to_node(cpu, node);
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}
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void unmap_cpu_to_logical_apicid(int cpu)
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{
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cpu_2_logical_apicid[cpu] = BAD_APICID;
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unmap_cpu_to_node(cpu);
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}
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#else
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#define unmap_cpu_to_logical_apicid(cpu) do {} while (0)
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#define map_cpu_to_logical_apicid() do {} while (0)
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#endif
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static void __cpuinit smp_apply_quirks(struct cpuinfo_x86 *c)
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{
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#ifdef CONFIG_X86_32
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@ -74,7 +74,8 @@ EXPORT_PER_CPU_SYMBOL(x86_bios_cpu_apicid);
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u8 apicid_2_node[MAX_APICID];
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static void map_cpu_to_logical_apicid(void);
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extern void map_cpu_to_logical_apicid(void);
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extern void unmap_cpu_to_logical_apicid(int cpu);
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/* State of each CPU. */
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DEFINE_PER_CPU(int, cpu_state) = { 0 };
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@ -262,62 +263,6 @@ extern struct {
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unsigned short ss;
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} stack_start;
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#ifdef CONFIG_NUMA
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/* which logical CPUs are on which nodes */
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cpumask_t node_to_cpumask_map[MAX_NUMNODES] __read_mostly =
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{ [0 ... MAX_NUMNODES-1] = CPU_MASK_NONE };
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EXPORT_SYMBOL(node_to_cpumask_map);
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/* which node each logical CPU is on */
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int cpu_to_node_map[NR_CPUS] __read_mostly = { [0 ... NR_CPUS-1] = 0 };
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EXPORT_SYMBOL(cpu_to_node_map);
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/* set up a mapping between cpu and node. */
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static inline void map_cpu_to_node(int cpu, int node)
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{
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printk("Mapping cpu %d to node %d\n", cpu, node);
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cpu_set(cpu, node_to_cpumask_map[node]);
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cpu_to_node_map[cpu] = node;
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}
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/* undo a mapping between cpu and node. */
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static inline void unmap_cpu_to_node(int cpu)
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{
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int node;
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printk("Unmapping cpu %d from all nodes\n", cpu);
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for (node = 0; node < MAX_NUMNODES; node ++)
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cpu_clear(cpu, node_to_cpumask_map[node]);
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cpu_to_node_map[cpu] = 0;
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}
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#else /* !CONFIG_NUMA */
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#define map_cpu_to_node(cpu, node) ({})
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#define unmap_cpu_to_node(cpu) ({})
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#endif /* CONFIG_NUMA */
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u8 cpu_2_logical_apicid[NR_CPUS] __read_mostly = { [0 ... NR_CPUS-1] = BAD_APICID };
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static void map_cpu_to_logical_apicid(void)
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{
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int cpu = smp_processor_id();
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int apicid = logical_smp_processor_id();
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int node = apicid_to_node(apicid);
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if (!node_online(node))
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node = first_online_node;
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cpu_2_logical_apicid[cpu] = apicid;
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map_cpu_to_node(cpu, node);
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}
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static void unmap_cpu_to_logical_apicid(int cpu)
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{
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cpu_2_logical_apicid[cpu] = BAD_APICID;
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unmap_cpu_to_node(cpu);
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}
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static inline void __inquire_remote_apic(int apicid)
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{
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unsigned i, regs[] = { APIC_ID >> 4, APIC_LVR >> 4, APIC_SPIV >> 4 };
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