[PATCH v9 21/28] x86/asm/ftrace: Mark function_hook as function

From: Jiri Slaby
Date: Fri Oct 11 2019 - 07:52:20 EST


Relabel function_hook to be marked really as a function. It is called
from C and has the same expectations towards the stack etc.

Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: x86@xxxxxxxxxx
---
arch/x86/kernel/ftrace_32.S | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/ftrace_32.S b/arch/x86/kernel/ftrace_32.S
index e0061dc976e1..219be1309c37 100644
--- a/arch/x86/kernel/ftrace_32.S
+++ b/arch/x86/kernel/ftrace_32.S
@@ -21,9 +21,9 @@ EXPORT_SYMBOL(__fentry__)
# define MCOUNT_FRAME 0 /* using frame = false */
#endif

-ENTRY(function_hook)
+SYM_FUNC_START(function_hook)
ret
-END(function_hook)
+SYM_FUNC_END(function_hook)

ENTRY(ftrace_caller)

--
2.23.0