linux-kernel - [PATCH] lib/Kconfig.debug: remove more CONFIG_...

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Message-Id: <20220321121301.1389693-1-linux@rasmusvillemoes.dk>
Date:   Mon, 21 Mar 2022 13:13:00 +0100
From:   Rasmus Villemoes <linux@...musvillemoes.dk>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] lib/Kconfig.debug: remove more CONFIG_..._VALUE indirections

As in "kernel/panic.c: remove CONFIG_PANIC_ON_OOPS_VALUE indirection",
use the IS_ENABLED() helper rather than having a hidden config option.

Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
---
 kernel/hung_task.c |  2 +-
 kernel/watchdog.c  |  4 ++--
 lib/Kconfig.debug  | 21 ---------------------
 3 files changed, 3 insertions(+), 24 deletions(-)

diff --git a/kernel/hung_task.c b/kernel/hung_task.c
index 52501e5f7655..cff3ae8c818f 100644
--- a/kernel/hung_task.c
+++ b/kernel/hung_task.c
@@ -73,7 +73,7 @@ static unsigned int __read_mostly sysctl_hung_task_all_cpu_backtrace;
  * hung task is detected:
  */
 unsigned int __read_mostly sysctl_hung_task_panic =
-				CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE;
+				IS_ENABLED(CONFIG_BOOTPARAM_HUNG_TASK_PANIC);
 
 static int
 hung_task_panic(struct notifier_block *this, unsigned long event, void *ptr)
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 99afb88d2e85..50a1b8a95127 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -57,7 +57,7 @@ int __read_mostly sysctl_hardlockup_all_cpu_backtrace;
  * Should we panic when a soft-lockup or hard-lockup occurs:
  */
 unsigned int __read_mostly hardlockup_panic =
-			CONFIG_BOOTPARAM_HARDLOCKUP_PANIC_VALUE;
+			IS_ENABLED(CONFIG_BOOTPARAM_HARDLOCKUP_PANIC);
 /*
  * We may not want to enable hard lockup detection by default in all cases,
  * for example when running the kernel as a guest on a hypervisor. In these
@@ -168,7 +168,7 @@ static struct cpumask watchdog_allowed_mask __read_mostly;
 
 /* Global variables, exported for sysctl */
 unsigned int __read_mostly softlockup_panic =
-			CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE;
+			IS_ENABLED(CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC);
 
 static bool softlockup_initialized __read_mostly;
 static u64 __read_mostly sample_period;
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 14b89aa37c5c..522231f4a501 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1043,13 +1043,6 @@ config BOOTPARAM_SOFTLOCKUP_PANIC
 
 	  Say N if unsure.
 
-config BOOTPARAM_SOFTLOCKUP_PANIC_VALUE
-	int
-	depends on SOFTLOCKUP_DETECTOR
-	range 0 1
-	default 0 if !BOOTPARAM_SOFTLOCKUP_PANIC
-	default 1 if BOOTPARAM_SOFTLOCKUP_PANIC
-
 config HARDLOCKUP_DETECTOR_PERF
 	bool
 	select SOFTLOCKUP_DETECTOR
@@ -1091,13 +1084,6 @@ config BOOTPARAM_HARDLOCKUP_PANIC
 
 	  Say N if unsure.
 
-config BOOTPARAM_HARDLOCKUP_PANIC_VALUE
-	int
-	depends on HARDLOCKUP_DETECTOR
-	range 0 1
-	default 0 if !BOOTPARAM_HARDLOCKUP_PANIC
-	default 1 if BOOTPARAM_HARDLOCKUP_PANIC
-
 config DETECT_HUNG_TASK
 	bool "Detect Hung Tasks"
 	depends on DEBUG_KERNEL
@@ -1145,13 +1131,6 @@ config BOOTPARAM_HUNG_TASK_PANIC
 
 	  Say N if unsure.
 
-config BOOTPARAM_HUNG_TASK_PANIC_VALUE
-	int
-	depends on DETECT_HUNG_TASK
-	range 0 1
-	default 0 if !BOOTPARAM_HUNG_TASK_PANIC
-	default 1 if BOOTPARAM_HUNG_TASK_PANIC
-
 config WQ_WATCHDOG
 	bool "Detect Workqueue Stalls"
 	depends on DEBUG_KERNEL
-- 
2.31.1