diff options
Diffstat (limited to 'include/asm-x86_64/smp.h')
| -rw-r--r-- | include/asm-x86_64/smp.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/include/asm-x86_64/smp.h b/include/asm-x86_64/smp.h deleted file mode 100644 index 3f303d2365ed..000000000000 --- a/include/asm-x86_64/smp.h +++ /dev/null @@ -1,117 +0,0 @@ -#ifndef __ASM_SMP_H -#define __ASM_SMP_H - -/* - * We need the APIC definitions automatically as part of 'smp.h' - */ -#include <linux/threads.h> -#include <linux/cpumask.h> -#include <linux/bitops.h> -#include <linux/init.h> -extern int disable_apic; - -#include <asm/mpspec.h> -#include <asm/apic.h> -#include <asm/io_apic.h> -#include <asm/thread_info.h> - -#ifdef CONFIG_SMP - -#include <asm/pda.h> - -struct pt_regs; - -extern cpumask_t cpu_present_mask; -extern cpumask_t cpu_possible_map; -extern cpumask_t cpu_online_map; -extern cpumask_t cpu_callout_map; -extern cpumask_t cpu_initialized; - -/* - * Private routines/data - */ - -extern void smp_alloc_memory(void); -extern volatile unsigned long smp_invalidate_needed; -extern void lock_ipi_call_lock(void); -extern void unlock_ipi_call_lock(void); -extern int smp_num_siblings; -extern void smp_send_reschedule(int cpu); - -extern cpumask_t cpu_sibling_map[NR_CPUS]; -extern cpumask_t cpu_core_map[NR_CPUS]; -extern u8 cpu_llc_id[NR_CPUS]; - -#define SMP_TRAMPOLINE_BASE 0x6000 - -/* - * On x86 all CPUs are mapped 1:1 to the APIC space. - * This simplifies scheduling and IPI sending and - * compresses data structures. - */ - -static inline int num_booting_cpus(void) -{ - return cpus_weight(cpu_callout_map); -} - -#define raw_smp_processor_id() read_pda(cpunumber) - -extern int __cpu_disable(void); -extern void __cpu_die(unsigned int cpu); -extern void prefill_possible_map(void); -extern unsigned num_processors; -extern unsigned __cpuinitdata disabled_cpus; - -#define NO_PROC_ID 0xFF /* No processor magic marker */ - -#endif /* CONFIG_SMP */ - -static inline int hard_smp_processor_id(void) -{ - /* we don't want to mark this access volatile - bad code generation */ - return GET_APIC_ID(*(unsigned int *)(APIC_BASE+APIC_ID)); -} - -/* - * Some lowlevel functions might want to know about - * the real APIC ID <-> CPU # mapping. - */ -extern u8 x86_cpu_to_apicid[NR_CPUS]; /* physical ID */ -extern u8 x86_cpu_to_log_apicid[NR_CPUS]; -extern u8 bios_cpu_apicid[]; - -static inline int cpu_present_to_apicid(int mps_cpu) -{ - if (mps_cpu < NR_CPUS) - return (int)bios_cpu_apicid[mps_cpu]; - else - return BAD_APICID; -} - -#ifndef CONFIG_SMP -#define stack_smp_processor_id() 0 -#define cpu_logical_map(x) (x) -#else -#include <asm/thread_info.h> -#define stack_smp_processor_id() \ -({ \ - struct thread_info *ti; \ - __asm__("andq %%rsp,%0; ":"=r" (ti) : "0" (CURRENT_MASK)); \ - ti->cpu; \ -}) -#endif - -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)); -} - -#ifdef CONFIG_SMP -#define cpu_physical_id(cpu) x86_cpu_to_apicid[cpu] -#else -#define cpu_physical_id(cpu) boot_cpu_id -#endif /* !CONFIG_SMP */ -#endif - |