linux-kernel - [PATCH] trace/recordmcount: add the necessary dependencies

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Message-Id: <20230412101840.13601-1-sunying@nj.iscas.ac.cn>
Date:   Wed, 12 Apr 2023 18:18:40 +0800
From:   sunying@...iscas.ac.cn
To:     rostedt@...dmis.org, mhiramat@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
        Ying Sun <sunying@...iscas.ac.cn>
Subject: [PATCH] trace/recordmcount: add the necessary dependencies

From: Ying Sun <sunying@...iscas.ac.cn>

HAVE_C_RECORDMCOUNT is used only if the condition
"ifdef CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT" is met in the Makefile,
adding a dependency constraint on this configuration option
 to prevent it from being set ‘y' but not taking effect.

Suggested-by: Yanjie Ren <renyanjie01@...il.com>
Signed-off-by: Ying Sun <sunying@...iscas.ac.cn>
---
 kernel/trace/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 8cf97fa4a4b3..69bb70b6bdd7 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -94,6 +94,7 @@ config HAVE_OBJTOOL_NOP_MCOUNT
 
 config HAVE_C_RECORDMCOUNT
 	bool
+	depends on FTRACE_MCOUNT_USE_RECORDMCOUNT
 	help
 	  C version of recordmcount available?
 
-- 
2.25.1