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Commit ae9d983b authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Ingo Molnar
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x86: cleanup smp.h variants 

Bring the smp.h variants into sync to prepare merging and
paravirt support.
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent c2805aa1
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Showing with 104 additions and 152 deletions
include/asm-x86/apic.h
View file @ ae9d983b
......@@ -42,6 +42,7 @@ extern int local_apic_timer_disabled;
extern int apic_runs_main_timer;
extern int ioapic_force;
extern int disable_apic;
extern int disable_apic_timer;
extern unsigned boot_cpu_id;
......
include/asm-x86/mpspec.h
View file @ ae9d983b
......@@ -13,8 +13,11 @@ extern int quad_local_to_mp_bus_id[NR_CPUS/4][4];
extern unsigned int def_to_bigsmp;
extern int apic_version[MAX_APICS];
extern u8 apicid_2_node[];
extern int pic_mode;
#define MAX_APICID 256
#else
#define MAX_MP_BUSSES 256
......
include/asm-x86/smp_32.h
View file @ ae9d983b
#ifndef __ASM_SMP_H
#define __ASM_SMP_H
/*
* We need the APIC definitions automatically as part of 'smp.h'
*/
#ifndef __ASSEMBLY__
#include <linux/kernel.h>
#include <linux/threads.h>
#include <linux/cpumask.h>
#endif
#include <linux/init.h>
#if defined(CONFIG_X86_LOCAL_APIC) && !defined(__ASSEMBLY__)
#include <linux/bitops.h>
#include <asm/mpspec.h>
#include <asm/apic.h>
#ifdef CONFIG_X86_IO_APIC
#include <asm/io_apic.h>
#endif
/*
* We need the APIC definitions automatically as part of 'smp.h'
*/
#ifdef CONFIG_X86_LOCAL_APIC
# include <asm/mpspec.h>
# include <asm/apic.h>
# ifdef CONFIG_X86_IO_APIC
# include <asm/io_apic.h>
# endif
#endif
#define BAD_APICID 0xFFu
#ifdef CONFIG_SMP
#ifndef __ASSEMBLY__
extern cpumask_t cpu_callout_map;
extern cpumask_t cpu_callin_map;
/*
* Private routines/data
*/
extern int smp_num_siblings;
extern unsigned int num_processors;
extern void smp_alloc_memory(void);
extern int pic_mode;
extern int smp_num_siblings;
DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
DECLARE_PER_CPU(cpumask_t, cpu_core_map);
extern void lock_ipi_call_lock(void);
extern void unlock_ipi_call_lock(void);
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 __initdata x86_cpu_to_apicid_init[];
extern void *x86_cpu_to_apicid_ptr;
DECLARE_PER_CPU(u8, x86_cpu_to_apicid);
#define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu)
extern void set_cpu_sibling_map(int cpu);
DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
DECLARE_PER_CPU(cpumask_t, cpu_core_map);
DECLARE_PER_CPU(u8, cpu_llc_id);
DECLARE_PER_CPU(u8, x86_cpu_to_apicid);
#ifdef CONFIG_HOTPLUG_CPU
extern void cpu_exit_clear(void);
......@@ -53,6 +43,9 @@ extern void cpu_uninit(void);
extern void remove_siblinginfo(int cpu);
#endif
/* Globals due to paravirt */
extern void set_cpu_sibling_map(int cpu);
struct smp_ops
{
void (*smp_prepare_boot_cpu)(void);
......@@ -67,6 +60,7 @@ struct smp_ops
int wait);
};
#ifdef CONFIG_SMP
extern struct smp_ops smp_ops;
static inline void smp_prepare_boot_cpu(void)
......@@ -107,10 +101,12 @@ int native_cpu_up(unsigned int cpunum);
void native_smp_cpus_done(unsigned int max_cpus);
#ifndef CONFIG_PARAVIRT
#define startup_ipi_hook(phys_apicid, start_eip, start_esp) \
do { } while (0)
#define startup_ipi_hook(phys_apicid, start_eip, start_esp) do { } while (0)
#endif
extern int __cpu_disable(void);
extern void __cpu_die(unsigned int cpu);
/*
* 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(),
......@@ -119,9 +115,11 @@ do { } while (0)
DECLARE_PER_CPU(int, cpu_number);
#define raw_smp_processor_id() (x86_read_percpu(cpu_number))
extern cpumask_t cpu_callout_map;
extern cpumask_t cpu_callin_map;
extern cpumask_t cpu_possible_map;
#define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu)
extern int safe_smp_processor_id(void);
void __cpuinit smp_store_cpu_info(int id);
/* We don't mark CPUs online until __cpu_up(), so we need another measure */
static inline int num_booting_cpus(void)
......@@ -129,56 +127,39 @@ static inline int num_booting_cpus(void)
return cpus_weight(cpu_callout_map);
}
extern int safe_smp_processor_id(void);
extern int __cpu_disable(void);
extern void __cpu_die(unsigned int cpu);
extern unsigned int num_processors;
void __cpuinit smp_store_cpu_info(int id);
#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 /* CONFIG_SMP */
#ifndef __ASSEMBLY__
#endif /* !CONFIG_SMP */
#ifdef CONFIG_X86_LOCAL_APIC
#ifdef APIC_DEFINITION
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(*(u32 *)(APIC_BASE + APIC_LDR));
}
# ifdef APIC_DEFINITION
extern int hard_smp_processor_id(void);
#else
#include <mach_apicdef.h>
# else
# include <mach_apicdef.h>
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 long *)(APIC_BASE+APIC_ID));
return GET_APIC_ID(*(u32 *)(APIC_BASE + APIC_ID));
}
#endif /* APIC_DEFINITION */
# endif /* APIC_DEFINITION */
#else /* CONFIG_X86_LOCAL_APIC */
#ifndef CONFIG_SMP
#define hard_smp_processor_id() 0
#endif
# ifndef CONFIG_SMP
# define hard_smp_processor_id() 0
# endif
#endif /* CONFIG_X86_LOCAL_APIC */
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
#endif /* !ASSEMBLY */
#endif
include/asm-x86/smp_64.h
View file @ ae9d983b
#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>
/*
* We need the APIC definitions automatically as part of 'smp.h'
*/
#include <asm/apic.h>
#include <asm/io_apic.h>
#include <asm/thread_info.h>
#ifdef CONFIG_SMP
#include <asm/mpspec.h>
#include <asm/pda.h>
#include <asm/thread_info.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 int smp_num_siblings;
extern unsigned int num_processors;
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 int smp_call_function_mask(cpumask_t mask, void (*func)(void *),
void *info, int wait);
/*
* cpu_sibling_map and cpu_core_map now live
* in the per cpu area
*
* extern cpumask_t cpu_sibling_map[NR_CPUS];
* extern cpumask_t cpu_core_map[NR_CPUS];
*/
extern u8 __initdata x86_cpu_to_apicid_init[];
extern void *x86_cpu_to_apicid_ptr;
extern u8 bios_cpu_apicid[];
DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
DECLARE_PER_CPU(cpumask_t, cpu_core_map);
DECLARE_PER_CPU(u8, cpu_llc_id);
DECLARE_PER_CPU(u8, x86_cpu_to_apicid);
#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)
static inline int cpu_present_to_apicid(int mps_cpu)
{
return cpus_weight(cpu_callout_map);
if (mps_cpu < NR_CPUS)
return (int)bios_cpu_apicid[mps_cpu];
else
return BAD_APICID;
}
#define raw_smp_processor_id() read_pda(cpunumber)
#ifdef CONFIG_SMP
#define SMP_TRAMPOLINE_BASE 0x6000
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 */
#define safe_smp_processor_id() smp_processor_id()
#define raw_smp_processor_id() read_pda(cpunumber)
#define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu)
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));
}
#define stack_smp_processor_id() \
({ \
struct thread_info *ti; \
__asm__("andq %%rsp,%0; ":"=r" (ti) : "0" (CURRENT_MASK)); \
ti->cpu; \
})
/*
* Some lowlevel functions might want to know about
* the real APIC ID <-> CPU # mapping.
* On x86 all CPUs are mapped 1:1 to the APIC space. This simplifies
* scheduling and IPI sending and compresses data structures.
*/
extern u8 __initdata x86_cpu_to_apicid_init[];
extern void *x86_cpu_to_apicid_ptr;
DECLARE_PER_CPU(u8, x86_cpu_to_apicid); /* physical ID */
extern u8 bios_cpu_apicid[];
static inline int cpu_present_to_apicid(int mps_cpu)
static inline int num_booting_cpus(void)
{
if (mps_cpu < NR_CPUS)
return (int)bios_cpu_apicid[mps_cpu];
else
return BAD_APICID;
return cpus_weight(cpu_callout_map);
}
#ifndef CONFIG_SMP
extern void smp_send_reschedule(int cpu);
#else /* CONFIG_SMP */
extern unsigned int boot_cpu_id;
#define cpu_physical_id(cpu) boot_cpu_id
#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
#endif /* !CONFIG_SMP */
#define safe_smp_processor_id() smp_processor_id()
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));
return GET_APIC_LOGICAL_ID(*(u32 *)(APIC_BASE + APIC_LDR));
}
static inline int hard_smp_processor_id(void)
{
/* we don't want to mark this access volatile - bad code generation */
return GET_APIC_ID(*(u32 *)(APIC_BASE + APIC_ID));
}
#ifdef CONFIG_SMP
#define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu)
#else
extern unsigned int boot_cpu_id;
#define cpu_physical_id(cpu) boot_cpu_id
#endif /* !CONFIG_SMP */
#endif
include/asm-x86/topology_64.h
View file @ ae9d983b
......@@ -7,8 +7,6 @@
#include <asm/mpspec.h>
#include <linux/bitops.h>
extern cpumask_t cpu_online_map;
extern unsigned char cpu_to_node[];
extern cpumask_t node_to_cpumask[];
......
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