smpboot.c File Reference

#include <linux/module.h>
#include <linux/acpi.h>
#include <linux/bootmem.h>
#include <linux/cpu.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/kernel_stat.h>
#include <linux/mm.h>
#include <linux/notifier.h>
#include <linux/smp.h>
#include <linux/spinlock.h>
#include <linux/efi.h>
#include <linux/percpu.h>
#include <linux/bitops.h>
#include <linux/atomic.h>
#include <asm/cache.h>
#include <asm/current.h>
#include <asm/delay.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/machvec.h>
#include <asm/mca.h>
#include <asm/page.h>
#include <asm/paravirt.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
#include <asm/ptrace.h>
#include <asm/sal.h>
#include <asm/tlbflush.h>
#include <asm/unistd.h>
#include <asm/sn/arch.h>

Go to the source code of this file.

Macros
#define	SMP_DEBUG   0
#define	Dprintk(x...)
#define	set_brendez_area(x)
#define	MASTER   (0)
#define	SLAVE   (SMP_CACHE_BYTES/8)
#define	NUM_ROUNDS   64 /* magic value */
#define	NUM_ITERS   5 /* likewise */
#define	DEBUG_ITC_SYNC   0
#define	CPEI_OVERRIDE_DEFAULT   (0)

Functions
void	start_ap (void)
	DEFINE_PER_CPU (int, cpu_state)
	EXPORT_SYMBOL (cpu_core_map)
	DEFINE_PER_CPU_SHARED_ALIGNED (cpumask_t, cpu_sibling_map)
	EXPORT_PER_CPU_SYMBOL (cpu_sibling_map)
	EXPORT_SYMBOL (ia64_cpu_to_sapicid)
	__setup ("force_cpei=", cmdl_force_cpei)
	__setup ("nointroute", nointroute)
void	sync_master (void *arg)
void	ia64_sync_itc (unsigned int master)
int __cpuinit	start_secondary (void *unused)
struct pt_regs *__cpuinit	idle_regs (struct pt_regs *regs)
void __init	smp_build_cpu_map (void)
void __init	smp_prepare_cpus (unsigned int max_cpus)
void __devinit	smp_prepare_boot_cpu (void)
void	smp_cpus_done (unsigned int dummy)
int __cpuinit	__cpu_up (unsigned int cpu, struct task_struct *tidle)
void __init	init_smp_config (void)
void __devinit	identify_siblings (struct cpuinfo_ia64 *c)
int	is_multithreading_enabled (void)
	EXPORT_SYMBOL_GPL (is_multithreading_enabled)

Variables
unsigned long	ia64_iobase
struct task_struct *	task_for_booting_cpu
cpumask_t cpu_core_map[NR_CPUS]	__cacheline_aligned
int	smp_num_siblings = 1
volatile int	ia64_cpu_to_sapicid [NR_CPUS]
struct smp_boot_data smp_boot_data	__initdata
unsigned long	ap_wakeup_vector = -1
char __initdata	no_int_routing
unsigned char	smp_int_redirect
unsigned int	force_cpei_retarget = CPEI_OVERRIDE_DEFAULT

Macro Definition Documentation

#define CPEI_OVERRIDE_DEFAULT   (0)

Definition at line 143 of file smpboot.c.

#define DEBUG_ITC_SYNC   0

Definition at line 107 of file smpboot.c.

#define Dprintk

(

x...

)

Definition at line 67 of file smpboot.c.

#define MASTER   (0)

Definition at line 98 of file smpboot.c.

#define NUM_ITERS   5 /* likewise */

Definition at line 102 of file smpboot.c.

#define NUM_ROUNDS   64 /* magic value */

Definition at line 101 of file smpboot.c.

#define set_brendez_area

(

x

)

Definition at line 91 of file smpboot.c.

#define SLAVE   (SMP_CACHE_BYTES/8)

Definition at line 99 of file smpboot.c.

#define SMP_DEBUG   0

Definition at line 62 of file smpboot.c.

Function Documentation

int __cpuinit __cpu_up	(	unsigned int	cpu,
		struct task_struct *	tidle
	)

Definition at line 739 of file smpboot.c.

__setup

(

)

__setup	(	"nointroute"	,
		nointroute
	)

DEFINE_PER_CPU	(	int	,
		cpu_state
	)

DEFINE_PER_CPU_SHARED_ALIGNED	(	cpumask_t	,
		cpu_sibling_map
	)

EXPORT_PER_CPU_SYMBOL

(

cpu_sibling_map

)

EXPORT_SYMBOL

(

cpu_core_map

)

EXPORT_SYMBOL

(

ia64_cpu_to_sapicid

)

EXPORT_SYMBOL_GPL

(

is_multithreading_enabled

)

void ia64_sync_itc

(

unsigned int

master

)

Definition at line 278 of file smpboot.c.

void __devinit identify_siblings

(

struct cpuinfo_ia64 *

c

)

Definition at line 802 of file smpboot.c.

struct pt_regs* __cpuinit idle_regs ( struct pt_regs *  regs )

read

Definition at line 463 of file smpboot.c.

void __init init_smp_config

(

void

)

Definition at line 780 of file smpboot.c.

int is_multithreading_enabled

(

void

)

Definition at line 850 of file smpboot.c.

void __init smp_build_cpu_map

(

void

)

Definition at line 513 of file smpboot.c.

void smp_cpus_done

(

unsigned int

dummy

)

Definition at line 704 of file smpboot.c.

void __devinit smp_prepare_boot_cpu

(

void

)

Definition at line 571 of file smpboot.c.

void __init smp_prepare_cpus

(

unsigned int

max_cpus

)

Definition at line 540 of file smpboot.c.

void start_ap

(

void

)

int __init start_secondary

(

void *

unused

)

Definition at line 447 of file smpboot.c.

void sync_master

(

void *

arg

)

Definition at line 193 of file smpboot.c.

Variable Documentation

cpumask_t cpu_core_map [NR_CPUS] __cacheline_aligned

Definition at line 119 of file smpboot.c.

struct smp_boot_data smp_boot_data __initdata

Definition at line 132 of file smpboot.c.

unsigned long ap_wakeup_vector = -1

Definition at line 134 of file smpboot.c.

unsigned int force_cpei_retarget = CPEI_OVERRIDE_DEFAULT

Definition at line 146 of file smpboot.c.

volatile int ia64_cpu_to_sapicid[NR_CPUS]

Definition at line 127 of file smpboot.c.

unsigned long ia64_iobase

Definition at line 100 of file setup.c.

char __initdata no_int_routing

Definition at line 136 of file smpboot.c.

unsigned char smp_int_redirect

Definition at line 138 of file smpboot.c.

int smp_num_siblings = 1

Definition at line 124 of file smpboot.c.

struct task_struct* task_for_booting_cpu

Definition at line 112 of file smpboot.c.