[for-next][PATCH 10/20] x86/ftrace: Remove unused modifying_ftrace_code declaration

[Steven Rostedt]

From: Gaosheng Cui <cuigaosheng1@xxxxxxxxxx>

All uses of modifying_ftrace_code have been removed by
commit 768ae4406a5c ("x86/ftrace: Use text_poke()"),
so remove the declaration, too.

Link: https://lkml.kernel.org/r/20220914110437.1436353-2-cuigaosheng1@xxxxxxxxxx

Cc: <mingo@xxxxxxxxxx>
Cc: <tglx@xxxxxxxxxxxxx>
Cc: <bp@xxxxxxxxx>
Cc: <dave.hansen@xxxxxxxxxxxxxxx>
Cc: <x86@xxxxxxxxxx>
Cc: <hpa@xxxxxxxxx>
Cc: <mhiramat@xxxxxxxxxx>
Cc: <peterz@xxxxxxxxxxxxx>
Cc: <ast@xxxxxxxxxx>
Signed-off-by: Gaosheng Cui <cuigaosheng1@xxxxxxxxxx>
Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
---
 arch/x86/include/asm/ftrace.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
index b5ef474be858..908d99b127d3 100644
--- a/arch/x86/include/asm/ftrace.h
+++ b/arch/x86/include/asm/ftrace.h
@@ -23,7 +23,6 @@
 #define HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
 
 #ifndef __ASSEMBLY__
-extern atomic_t modifying_ftrace_code;
 extern void __fentry__(void);
 
 static inline unsigned long ftrace_call_adjust(unsigned long addr)
-- 
2.35.1