linux-kernel - [PATCH 1/3] ftrace: simplify the Kconfig dependency of FTRACE

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Date:   Sat, 31 Jul 2021 14:22:31 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] ftrace: simplify the Kconfig dependency of FTRACE

The entire FTRACE block is surrounded by 'if TRACING_SUPPORT' ...
'endif'.

Using 'depends on' is a simpler way to guard FTRACE.

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

 kernel/trace/Kconfig | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index d567b1717c4c..9d3f918b5867 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -135,10 +135,9 @@ config TRACING_SUPPORT
 	depends on STACKTRACE_SUPPORT
 	default y
 
-if TRACING_SUPPORT
-
 menuconfig FTRACE
 	bool "Tracers"
+	depends on TRACING_SUPPORT
 	default y if DEBUG_KERNEL
 	help
 	  Enable the kernel tracing infrastructure.
@@ -1032,6 +1031,3 @@ config HIST_TRIGGERS_DEBUG
           If unsure, say N.
 
 endif # FTRACE
-
-endif # TRACING_SUPPORT
-
-- 
2.27.0