* We need the APIC definitions automatically as part of 'smp.h'
*/
#ifndef __ASSEMBLY__
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/threads.h>
#include <linux/cpumask.h>
+#include <asm/pda.h>
#endif
#ifdef CONFIG_X86_LOCAL_APIC
extern void smp_alloc_memory(void);
extern int pic_mode;
extern int smp_num_siblings;
-extern int cpu_sibling_map[];
+extern cpumask_t cpu_sibling_map[];
+extern cpumask_t cpu_core_map[];
-extern void smp_flush_tlb(void);
-extern void smp_message_irq(int cpl, void *dev_id, struct pt_regs *regs);
-extern void smp_invalidate_rcv(void); /* Process an NMI */
extern void (*mtrr_hook) (void);
extern void zap_low_mappings (void);
+extern void lock_ipi_call_lock(void);
+extern void unlock_ipi_call_lock(void);
#define MAX_APICID 256
+extern u8 x86_cpu_to_apicid[];
+
+#define cpu_physical_id(cpu) x86_cpu_to_apicid[cpu]
+
+#ifdef CONFIG_HOTPLUG_CPU
+extern void cpu_exit_clear(void);
+extern void cpu_uninit(void);
+#endif
/*
* This function is needed by all SMP systems. It must _always_ be valid
* from the initial startup. We map APIC_BASE very early in page_setup(),
* so this is correct in the x86 case.
*/
-#define smp_processor_id() (current_thread_info()->cpu)
+#define raw_smp_processor_id() (read_pda(cpu_number))
extern cpumask_t cpu_callout_map;
-#define cpu_possible_map cpu_callout_map
+extern cpumask_t cpu_callin_map;
+extern cpumask_t cpu_possible_map;
/* We don't mark CPUs online until __cpu_up(), so we need another measure */
static inline int num_booting_cpus(void)
return cpus_weight(cpu_callout_map);
}
-extern void map_cpu_to_logical_apicid(void);
-extern void unmap_cpu_to_logical_apicid(int cpu);
-
#ifdef CONFIG_X86_LOCAL_APIC
#ifdef APIC_DEFINITION
return GET_APIC_ID(*(unsigned long *)(APIC_BASE+APIC_ID));
}
#endif
+#endif
+
+extern int safe_smp_processor_id(void);
+extern int __cpu_disable(void);
+extern void __cpu_die(unsigned int cpu);
+extern unsigned int num_processors;
+
+#endif /* !__ASSEMBLY__ */
+
+#else /* CONFIG_SMP */
+
+#define safe_smp_processor_id() 0
+#define cpu_physical_id(cpu) boot_cpu_physical_apicid
+
+#define NO_PROC_ID 0xFF /* No processor magic marker */
+
+#endif
+
+#ifndef __ASSEMBLY__
+
+extern u8 apicid_2_node[];
+#ifdef CONFIG_X86_LOCAL_APIC
static __inline int logical_smp_processor_id(void)
{
/* we don't want to mark this access volatile - bad code generation */
return GET_APIC_LOGICAL_ID(*(unsigned long *)(APIC_BASE+APIC_LDR));
}
-
#endif
-#endif /* !__ASSEMBLY__ */
-
-#define NO_PROC_ID 0xFF /* No processor magic marker */
-
#endif
+
#endif