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* [for-next][PATCH 5/5] function_graph: Place ftrace_graph_entry_stub() prototype in include/linux/ftrace.h
       [not found] <20190425162808.056301033@goodmis.org>
@ 2019-04-25 16:28 ` Steven Rostedt
  0 siblings, 0 replies; only message in thread
From: Steven Rostedt @ 2019-04-25 16:28 UTC (permalink / raw)
  To: linux-kernel
  Cc: Ingo Molnar, Andrew Morton, Greentime Hu, Vincent Chen,
	James E.J. Bottomley, Helge Deller, linux-parisc

From: "Steven Rostedt (VMware)" <rostedt@goodmis.org>

ftrace_graph_entry_stub() is defined in generic code, its prototype should
be in the generic header and not defined throughout architecture specific
code in order to use it.

Cc: Greentime Hu <green.hu@gmail.com>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-parisc@vger.kernel.org
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
 arch/nds32/kernel/ftrace.c  | 1 -
 arch/parisc/kernel/ftrace.c | 1 -
 include/linux/ftrace.h      | 2 ++
 3 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/nds32/kernel/ftrace.c b/arch/nds32/kernel/ftrace.c
index 8a41372551ff..fd2a54b8cd57 100644
--- a/arch/nds32/kernel/ftrace.c
+++ b/arch/nds32/kernel/ftrace.c
@@ -7,7 +7,6 @@
 #ifndef CONFIG_DYNAMIC_FTRACE
 extern void (*ftrace_trace_function)(unsigned long, unsigned long,
 				     struct ftrace_ops*, struct pt_regs*);
-extern int ftrace_graph_entry_stub(struct ftrace_graph_ent *trace);
 extern void ftrace_graph_caller(void);
 
 noinline void __naked ftrace_stub(unsigned long ip, unsigned long parent_ip,
diff --git a/arch/parisc/kernel/ftrace.c b/arch/parisc/kernel/ftrace.c
index e46a4157a894..a28f915993b1 100644
--- a/arch/parisc/kernel/ftrace.c
+++ b/arch/parisc/kernel/ftrace.c
@@ -51,7 +51,6 @@ void notrace __hot ftrace_function_trampoline(unsigned long parent,
 				unsigned long org_sp_gr3)
 {
 	extern ftrace_func_t ftrace_trace_function;  /* depends on CONFIG_DYNAMIC_FTRACE */
-	extern int ftrace_graph_entry_stub(struct ftrace_graph_ent *trace);
 
 	if (ftrace_trace_function != ftrace_stub) {
 		/* struct ftrace_ops *op, struct pt_regs *regs); */
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 730876187344..9b28fce436ca 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -751,6 +751,8 @@ struct ftrace_graph_ret {
 typedef void (*trace_func_graph_ret_t)(struct ftrace_graph_ret *); /* return */
 typedef int (*trace_func_graph_ent_t)(struct ftrace_graph_ent *); /* entry */
 
+extern int ftrace_graph_entry_stub(struct ftrace_graph_ent *trace);
+
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
 
 struct fgraph_ops {
-- 
2.20.1



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2019-04-25 16:28 ` [for-next][PATCH 5/5] function_graph: Place ftrace_graph_entry_stub() prototype in include/linux/ftrace.h Steven Rostedt

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