[PATCH] ftrace/x86: Fix missing ops arg on static function tracing

From	Namhyung Kim <namhyung@kernel.org>
Newsgroups	linux.kernel
Subject	[PATCH] ftrace/x86: Fix missing ops arg on static function tracing
Date	2015-11-14 10:40 +0100
Message-ID	<quFto-2fw-3@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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The commit f1ab00af816e ("ftrace/x86: Get rid of ftrace_caller_setup")
moved code that loads ftrace_ops into 3rd parameter but it missed to do
for static tracing.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 arch/x86/kernel/mcount_64.S | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/kernel/mcount_64.S b/arch/x86/kernel/mcount_64.S
index 94ea120fa21f..6c1ccf9e5427 100644
--- a/arch/x86/kernel/mcount_64.S
+++ b/arch/x86/kernel/mcount_64.S
@@ -278,6 +278,9 @@ trace:
 	/* save_mcount_regs fills in first two parameters */
 	save_mcount_regs
 
+	/* Load the ftrace_ops into the 3rd parameter */
+	movq function_trace_op(%rip), %rdx
+
 	call   *ftrace_trace_function
 
 	restore_mcount_regs
-- 
2.6.2

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[PATCH] ftrace/x86: Fix missing ops arg on static function tracing Namhyung Kim <namhyung@kernel.org> - 2015-11-14 10:40 +0100

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