linux-kernel - [PATCH v3] ARM: ftrace: remove mcount(),ftrace_caller_old() and ftrace_call

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Message-ID: <20190823182239.20f9a656@xhacker.debian>
Date:   Fri, 23 Aug 2019 10:33:58 +0000
From:   Jisheng Zhang <Jisheng.Zhang@...aptics.com>
To:     Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>,
        Russell King <linux@...linux.org.uk>
CC:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH v3] ARM: ftrace: remove mcount(),ftrace_caller_old() and
 ftrace_call_old()

Commit d3c61619568c ("ARM: 8788/1: ftrace: remove old mcount support")
removed the old mcount support, but forget to remove these three
declarations. This patch removes them.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@...aptics.com>
---

Changes since v2:
  - really remove mcount() declaration too. I made a mistake when sending out v2

Changes since v1:
  - remove mcount() declaration too

 arch/arm/include/asm/ftrace.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/arch/arm/include/asm/ftrace.h b/arch/arm/include/asm/ftrace.h
index 18b0197f2384..48ec1d0337da 100644
--- a/arch/arm/include/asm/ftrace.h
+++ b/arch/arm/include/asm/ftrace.h
@@ -11,7 +11,6 @@
 #define MCOUNT_INSN_SIZE	4 /* sizeof mcount call */
 
 #ifndef __ASSEMBLY__
-extern void mcount(void);
 extern void __gnu_mcount_nc(void);
 
 #ifdef CONFIG_DYNAMIC_FTRACE
@@ -23,9 +22,6 @@ static inline unsigned long ftrace_call_adjust(unsigned long addr)
 	/* With Thumb-2, the recorded addresses have the lsb set */
 	return addr & ~1;
 }
-
-extern void ftrace_caller_old(void);
-extern void ftrace_call_old(void);
 #endif
 
 #endif
-- 
2.23.0.rc1