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Diffstat (limited to 'arch/x86/kernel/setup_percpu.c')
-rw-r--r--arch/x86/kernel/setup_percpu.c36
1 files changed, 29 insertions, 7 deletions
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index a4b619c33106..55c46074eba0 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -5,12 +5,11 @@
#include <linux/percpu.h>
#include <linux/kexec.h>
#include <linux/crash_dump.h>
-#include <asm/smp.h>
-#include <asm/percpu.h>
+#include <linux/smp.h>
+#include <linux/topology.h>
#include <asm/sections.h>
#include <asm/processor.h>
#include <asm/setup.h>
-#include <asm/topology.h>
#include <asm/mpspec.h>
#include <asm/apicdef.h>
#include <asm/highmem.h>
@@ -20,8 +19,8 @@ unsigned int num_processors;
unsigned disabled_cpus __cpuinitdata;
/* Processor that is doing the boot up */
unsigned int boot_cpu_physical_apicid = -1U;
-unsigned int max_physical_apicid;
EXPORT_SYMBOL(boot_cpu_physical_apicid);
+unsigned int max_physical_apicid;
/* Bitmask of physically existing CPUs */
physid_mask_t phys_cpu_present_map;
@@ -131,7 +130,27 @@ static void __init setup_cpu_pda_map(void)
/* point to new pointer table */
_cpu_pda = new_cpu_pda;
}
-#endif
+
+#endif /* CONFIG_SMP && CONFIG_X86_64 */
+
+#ifdef CONFIG_X86_64
+
+/* correctly size the local cpu masks */
+static void setup_cpu_local_masks(void)
+{
+ alloc_bootmem_cpumask_var(&cpu_initialized_mask);
+ alloc_bootmem_cpumask_var(&cpu_callin_mask);
+ alloc_bootmem_cpumask_var(&cpu_callout_mask);
+ alloc_bootmem_cpumask_var(&cpu_sibling_setup_mask);
+}
+
+#else /* CONFIG_X86_32 */
+
+static inline void setup_cpu_local_masks(void)
+{
+}
+
+#endif /* CONFIG_X86_32 */
/*
* Great future plan:
@@ -187,6 +206,9 @@ void __init setup_per_cpu_areas(void)
/* Setup node to cpumask map */
setup_node_to_cpumask_map();
+
+ /* Setup cpu initialized, callin, callout masks */
+ setup_cpu_local_masks();
}
#endif
@@ -280,8 +302,8 @@ static void __cpuinit numa_set_cpumask(int cpu, int enable)
cpulist_scnprintf(buf, sizeof(buf), mask);
printk(KERN_DEBUG "%s cpu %d node %d: mask now %s\n",
- enable? "numa_add_cpu":"numa_remove_cpu", cpu, node, buf);
- }
+ enable ? "numa_add_cpu" : "numa_remove_cpu", cpu, node, buf);
+}
void __cpuinit numa_add_cpu(int cpu)
{