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author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-03-19 18:25:56 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 17:41:02 +0200 |
commit | 7cc3959ecd830796231f50bf5e42dc018b3694f2 (patch) | |
tree | 31975cc806d948e4dbea61f5241a81b4910498d2 /arch/x86/kernel/smpboot_32.c | |
parent | x86: add callin tests to cpu_up (diff) | |
download | linux-7cc3959ecd830796231f50bf5e42dc018b3694f2.tar.xz linux-7cc3959ecd830796231f50bf5e42dc018b3694f2.zip |
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>
Diffstat (limited to 'arch/x86/kernel/smpboot_32.c')
-rw-r--r-- | arch/x86/kernel/smpboot_32.c | 59 |
1 files changed, 2 insertions, 57 deletions
diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c index 33758a2ddd48..1eb7b73b45a3 100644 --- a/arch/x86/kernel/smpboot_32.c +++ b/arch/x86/kernel/smpboot_32.c @@ -74,7 +74,8 @@ EXPORT_PER_CPU_SYMBOL(x86_bios_cpu_apicid); u8 apicid_2_node[MAX_APICID]; -static void map_cpu_to_logical_apicid(void); +extern void map_cpu_to_logical_apicid(void); +extern void unmap_cpu_to_logical_apicid(int cpu); /* State of each CPU. */ DEFINE_PER_CPU(int, cpu_state) = { 0 }; @@ -262,62 +263,6 @@ extern struct { unsigned short ss; } stack_start; -#ifdef CONFIG_NUMA - -/* which logical CPUs are on which nodes */ -cpumask_t node_to_cpumask_map[MAX_NUMNODES] __read_mostly = - { [0 ... MAX_NUMNODES-1] = CPU_MASK_NONE }; -EXPORT_SYMBOL(node_to_cpumask_map); -/* which node each logical CPU is on */ -int cpu_to_node_map[NR_CPUS] __read_mostly = { [0 ... NR_CPUS-1] = 0 }; -EXPORT_SYMBOL(cpu_to_node_map); - -/* set up a mapping between cpu and node. */ -static inline void map_cpu_to_node(int cpu, int node) -{ - printk("Mapping cpu %d to node %d\n", cpu, node); - cpu_set(cpu, node_to_cpumask_map[node]); - cpu_to_node_map[cpu] = node; -} - -/* undo a mapping between cpu and node. */ -static inline void unmap_cpu_to_node(int cpu) -{ - int node; - - printk("Unmapping cpu %d from all nodes\n", cpu); - for (node = 0; node < MAX_NUMNODES; node ++) - cpu_clear(cpu, node_to_cpumask_map[node]); - cpu_to_node_map[cpu] = 0; -} -#else /* !CONFIG_NUMA */ - -#define map_cpu_to_node(cpu, node) ({}) -#define unmap_cpu_to_node(cpu) ({}) - -#endif /* CONFIG_NUMA */ - -u8 cpu_2_logical_apicid[NR_CPUS] __read_mostly = { [0 ... NR_CPUS-1] = BAD_APICID }; - -static void map_cpu_to_logical_apicid(void) -{ - int cpu = smp_processor_id(); - int apicid = logical_smp_processor_id(); - int node = apicid_to_node(apicid); - - if (!node_online(node)) - node = first_online_node; - - cpu_2_logical_apicid[cpu] = apicid; - map_cpu_to_node(cpu, node); -} - -static void unmap_cpu_to_logical_apicid(int cpu) -{ - cpu_2_logical_apicid[cpu] = BAD_APICID; - unmap_cpu_to_node(cpu); -} - static inline void __inquire_remote_apic(int apicid) { unsigned i, regs[] = { APIC_ID >> 4, APIC_LVR >> 4, APIC_SPIV >> 4 }; |