#define KSTK_EIP(tsk) ((tsk)->thread.pc)
#define KSTK_ESP(tsk) ((tsk)->thread.sp)
-#define user_stack_pointer(regs) ((regs)->sp)
-
-#define cpu_relax() barrier()
+#define user_stack_pointer(regs) ((regs)->regs[15])
#endif /* __ASSEMBLY__ */
#endif /* __ASM_SH_PROCESSOR_64_H */