linux-kernel - [PATCH RFC v4 3/3] ftrace: Use correct config option for preemption debug

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Message-Id: <20170907001752.27015-4-joelaf@google.com>
Date:   Wed,  6 Sep 2017 17:17:52 -0700
From:   Joel Fernandes <joelaf@...gle.com>
To:     linux-kernel@...r.kernel.org
Cc:     Joel Fernandes <joelaf@...gle.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Peter Zijlstra <peterz@...radead.org>, kernel-team@...roid.com,
        Ingo Molnar <mingo@...hat.com>
Subject: [PATCH RFC v4 3/3] ftrace: Use correct config option for preemption debug

I notice that CONFIG_PREEMPT_DEBUG doesn't exist, though this code uses it. I
think it wants CONFIG_DEBUG_PREEMPT. Replace it with the same.

Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: kernel-team@...roid.com
Signed-off-by: Joel Fernandes <joelaf@...gle.com>
---
 include/linux/ftrace.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 5790ba7a85bd..768e49b8c80f 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -307,7 +307,7 @@ DECLARE_PER_CPU(int, disable_stack_tracer);
 static inline void stack_tracer_disable(void)
 {
 	/* Preemption or interupts must be disabled */
-	if (IS_ENABLED(CONFIG_PREEMPT_DEBUG))
+	if (IS_ENABLED(CONFIG_DEBUG_PREEMPT))
 		WARN_ON_ONCE(!preempt_count() || !irqs_disabled());
 	this_cpu_inc(disable_stack_tracer);
 }
@@ -320,7 +320,7 @@ static inline void stack_tracer_disable(void)
  */
 static inline void stack_tracer_enable(void)
 {
-	if (IS_ENABLED(CONFIG_PREEMPT_DEBUG))
+	if (IS_ENABLED(CONFIG_DEBUG_PREEMPT))
 		WARN_ON_ONCE(!preempt_count() || !irqs_disabled());
 	this_cpu_dec(disable_stack_tracer);
 }
-- 
2.14.1.581.gf28d330327-goog