#ifndef _ASM_X86_CURRENT_H | |
#define _ASM_X86_CURRENT_H | |
#ifdef CONFIG_X86_32 | |
#include <linux/compiler.h> | |
#include <asm/percpu.h> | |
struct task_struct; | |
DECLARE_PER_CPU(struct task_struct *, current_task); | |
static __always_inline struct task_struct *get_current(void) | |
{ | |
return x86_read_percpu(current_task); | |
} | |
#else /* X86_32 */ | |
#ifndef __ASSEMBLY__ | |
#include <asm/pda.h> | |
struct task_struct; | |
static __always_inline struct task_struct *get_current(void) | |
{ | |
return read_pda(pcurrent); | |
} | |
#else /* __ASSEMBLY__ */ | |
#include <asm/asm-offsets.h> | |
#define GET_CURRENT(reg) movq %gs:(pda_pcurrent),reg | |
#endif /* __ASSEMBLY__ */ | |
#endif /* X86_32 */ | |
#define current get_current() | |
#endif /* _ASM_X86_CURRENT_H */ |