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-rw-r--r--arch/powerpc/include/asm/ptrace.h7
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index b45108126562..9e2d84c06b74 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -137,15 +137,8 @@ do { \
} while (0)
#endif /* __powerpc64__ */
-/*
- * These are defined as per linux/ptrace.h, which see.
- */
#define arch_has_single_step() (1)
#define arch_has_block_step() (!cpu_has_feature(CPU_FTR_601))
-extern void user_enable_single_step(struct task_struct *);
-extern void user_enable_block_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
-
#define ARCH_HAS_USER_SINGLE_STEP_INFO
#endif /* __ASSEMBLY__ */