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-rw-r--r--lib/Kconfig.debug10
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index eb9e9a7870fa..e07465bb0dd7 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -416,6 +416,16 @@ config MAGIC_SYSRQ_DEFAULT_ENABLE
This may be set to 1 or 0 to enable or disable them all, or
to a bitmask as described in Documentation/sysrq.txt.
+config MAGIC_SYSRQ_SERIAL
+ bool "Enable magic SysRq key over serial"
+ depends on MAGIC_SYSRQ
+ default y
+ help
+ Many embedded boards have a disconnected TTL level serial which can
+ generate some garbage that can lead to spurious false sysrq detects.
+ This option allows you to decide whether you want to enable the
+ magic SysRq key.
+
config DEBUG_KERNEL
bool "Kernel debugging"
help