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Subject[PATCH v3 6/9] hacking: Move SCHED_STACK_END_CHECK after DEBUG_STACK_USAGE
Date
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
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