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-rw-r--r--include/linux/ptrace.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index addfbe7c180e..1693775ecfe8 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -344,6 +344,10 @@ static inline void user_single_step_siginfo(struct task_struct *tsk,
#define signal_pt_regs() task_pt_regs(current)
#endif
+#ifndef current_user_stack_pointer
+#define current_user_stack_pointer() user_stack_pointer(current_pt_regs())
+#endif
+
extern int task_current_syscall(struct task_struct *target, long *callno,
unsigned long args[6], unsigned int maxargs,
unsigned long *sp, unsigned long *pc);