smp.h File Reference

#include <linux/errno.h>
#include <linux/types.h>
#include <linux/list.h>
#include <linux/cpumask.h>
#include <linux/init.h>

Go to the source code of this file.

Data Structures
struct	call_single_data

Macros
#define	raw_smp_processor_id()   0
#define	smp_call_function(func, info, wait)   (up_smp_call_function(func, info))
#define	on_each_cpu(func, info, wait)
#define	on_each_cpu_mask(mask, func, info, wait)
#define	on_each_cpu_cond(cond_func, func, info, wait, gfp_flags)
#define	smp_prepare_boot_cpu()   do {} while (0)
#define	smp_call_function_many(mask, func, info, wait)   (up_smp_call_function(func, info))
#define	smp_processor_id()   raw_smp_processor_id()
#define	get_cpu()   ({ preempt_disable(); smp_processor_id(); })
#define	put_cpu()   preempt_enable()

Typedefs
typedef void(*	smp_call_func_t )(void *info)

Functions
void	cpu_idle (void)
int	smp_call_function_single (int cpuid, smp_call_func_t func, void *info, int wait)
void	arch_disable_smp_support (void)
void	smp_setup_processor_id (void)

Variables
unsigned int	total_cpus

Macro Definition Documentation

#define get_cpu

(

)

({ preempt_disable(); smp_processor_id(); })

Definition at line 218 of file smp.h.

#define on_each_cpu	(		func,
			info,
			wait
	)

Value:

({                  \
        local_irq_disable();        \
        func(info);         \
        local_irq_enable();     \
        0;              \
    })

Definition at line 142 of file smp.h.

#define on_each_cpu_cond	(		cond_func,
			func,
			info,
			wait,
			gfp_flags
	)

Value:

do {                            \
        void *__info = (info);              \
        preempt_disable();              \
        if ((cond_func)(0, __info)) {           \
            local_irq_disable();            \
            (func)(__info);             \
            local_irq_enable();         \
        }                       \
        preempt_enable();               \
    } while (0)

Definition at line 167 of file smp.h.

#define on_each_cpu_mask	(		mask,
			func,
			info,
			wait
	)

Value:

do {                        \
        if (cpumask_test_cpu(0, (mask))) {  \
            local_irq_disable();        \
            (func)(info);           \
            local_irq_enable();     \
        }                   \
    } while (0)

Definition at line 155 of file smp.h.

#define put_cpu

(

)

preempt_enable()

Definition at line 219 of file smp.h.

#define raw_smp_processor_id

(

)

0

Definition at line 135 of file smp.h.

#define smp_call_function	(		func,
			info,
			wait
	)		(up_smp_call_function(func, info))

Definition at line 140 of file smp.h.

#define smp_call_function_many	(		mask,
			func,
			info,
			wait
	)		(up_smp_call_function(func, info))

Definition at line 181 of file smp.h.

#define smp_prepare_boot_cpu

(

void

)

do {} while (0)

Definition at line 180 of file smp.h.

#define smp_processor_id

(

)

raw_smp_processor_id()

Definition at line 215 of file smp.h.

Typedef Documentation

typedef void(* smp_call_func_t)(void *info)

Definition at line 17 of file smp.h.

Function Documentation

void arch_disable_smp_support

(

void

)

arch_disable_smp_support() - disables SMP support for x86 at runtime

Definition at line 851 of file smpboot.c.

void cpu_idle

(

void

)

Definition at line 50 of file process.c.

int smp_call_function_single	(	int	cpuid,
		smp_call_func_t	func,
		void *	info,
		int	wait
	)

Definition at line 10 of file up.c.

void smp_setup_processor_id

(

void

)

Definition at line 426 of file setup.c.

Variable Documentation

unsigned int total_cpus

Definition at line 180 of file cpu.c.