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-rw-r--r--lib/Kconfig.debug15
1 files changed, 13 insertions, 2 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index a6c8db1d62f6..9bb7d825ba14 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1218,7 +1218,7 @@ config DEBUG_BUGVERBOSE
config DEBUG_LIST
bool "Debug linked list manipulation"
- depends on DEBUG_KERNEL
+ depends on DEBUG_KERNEL || BUG_ON_DATA_CORRUPTION
help
Enable this to turn on extended checks in the linked-list
walking routines.
@@ -1434,7 +1434,8 @@ config RCU_TRACE
select TRACE_CLOCK
help
This option provides tracing in RCU which presents stats
- in debugfs for debugging RCU implementation.
+ in debugfs for debugging RCU implementation. It also enables
+ additional tracepoints for ftrace-style event tracing.
Say Y here if you want to enable RCU tracing
Say N if you are unsure.
@@ -1964,6 +1965,16 @@ config TEST_STATIC_KEYS
If unsure, say N.
+config BUG_ON_DATA_CORRUPTION
+ bool "Trigger a BUG when data corruption is detected"
+ select DEBUG_LIST
+ help
+ Select this option if the kernel should BUG when it encounters
+ data corruption in kernel memory structures when they get checked
+ for validity.
+
+ If unsure, say N.
+
source "samples/Kconfig"
source "lib/Kconfig.kgdb"