summaryrefslogtreecommitdiff
path: root/arch/sh/Kconfig.debug
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/Kconfig.debug')
-rw-r--r--arch/sh/Kconfig.debug11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 39224b57c6ef..52a132c24aab 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -123,4 +123,15 @@ config SH64_SR_WATCH
bool "Debug: set SR.WATCH to enable hardware watchpoints and trace"
depends on SUPERH64
+config STACK_DEBUG
+ bool "Enable diagnostic checks of the kernel stack"
+ depends on FUNCTION_TRACER
+ select DEBUG_STACKOVERFLOW
+ default n
+ help
+ This option allows checks to be performed on the kernel stack
+ at runtime. Saying Y here will add overhead to every function
+ call and will therefore incur a major performance hit. Most
+ users should say N.
+
endmenu