123456789101112131415161718192021222324252627282930313233343536373839 |
- #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 */
|