x86-64: Move current task from PDA to per-cpu and consolidate with 32-bit.
[linux-2.6.git] / arch / x86 / include / asm / current.h
1 #ifndef _ASM_X86_CURRENT_H
2 #define _ASM_X86_CURRENT_H
3
4 #include <linux/compiler.h>
5 #include <asm/percpu.h>
6
7 #ifndef __ASSEMBLY__
8 struct task_struct;
9
10 DECLARE_PER_CPU(struct task_struct *, current_task);
11
12 static __always_inline struct task_struct *get_current(void)
13 {
14         return percpu_read(current_task);
15 }
16
17 #define current get_current()
18
19 #endif /* __ASSEMBLY__ */
20
21 #endif /* _ASM_X86_CURRENT_H */