Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Changbin Du <changbin.du@gmail.com>
To:     Andrew Morton <akpm@linux-foundation.org>,
        Randy Dunlap <rdunlap@infradead.org>
Cc:     Thomas Gleixner <tglx@linutronix.de>, linux-kernel@vger.kernel.org,
        Changbin Du <changbin.du@gmail.com>
Subject: [PATCH v3 6/9] hacking: Move SCHED_STACK_END_CHECK after DEBUG_STACK_USAGE
Date:   Mon,  9 Sep 2019 22:44:50 +0800
Message-Id: <20190909144453.3520-7-changbin.du@gmail.com>
In-Reply-To: <20190909144453.3520-1-changbin.du@gmail.com>
References: <20190909144453.3520-1-changbin.du@gmail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

They are both memory debug options to debug kernel stack issues.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
---
 lib/Kconfig.debug | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 1385e17122a1..ce545bb80ea2 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -652,6 +652,18 @@ config DEBUG_STACK_USAGE
 
 	  This option will slow down process creation somewhat.
 
+config SCHED_STACK_END_CHECK
+	bool "Detect stack corruption on calls to schedule()"
+	depends on DEBUG_KERNEL
+	default n
+	help
+	  This option checks for a stack overrun on calls to schedule().
+	  If the stack end location is found to be over written always panic as
+	  the content of the corrupted region can no longer be trusted.
+	  This is to ensure no erroneous behaviour occurs which could result in
+	  data corruption or a sporadic crash at a later stage once the region
+	  is examined. The runtime overhead introduced is minimal.
+
 config DEBUG_VM
 	bool "Debug VM"
 	depends on DEBUG_KERNEL
@@ -1005,18 +1017,6 @@ config SCHEDSTATS
 	  application, you can say N to avoid the very slight overhead
 	  this adds.
 
-config SCHED_STACK_END_CHECK
-	bool "Detect stack corruption on calls to schedule()"
-	depends on DEBUG_KERNEL
-	default n
-	help
-	  This option checks for a stack overrun on calls to schedule().
-	  If the stack end location is found to be over written always panic as
-	  the content of the corrupted region can no longer be trusted.
-	  This is to ensure no erroneous behaviour occurs which could result in
-	  data corruption or a sporadic crash at a later stage once the region
-	  is examined. The runtime overhead introduced is minimal.
-
 config DEBUG_TIMEKEEPING
 	bool "Enable extra timekeeping sanity checking"
 	help
-- 
2.20.1