diff options
Diffstat (limited to 'arch/x86/kernel/setup_percpu.c')
| -rw-r--r-- | arch/x86/kernel/setup_percpu.c | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index a4b619c3310..55c46074eba 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) { |