1 files changed, 9 insertions, 0 deletions

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 356a5ab8279c..63f04c15e6f5 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -77,6 +77,15 @@ config DEBUG_KERNEL
           Say Y here if you are developing drivers or trying to debug and
           identify kernel problems.
 
+config DEBUG_SHIRQ
+        bool "Debug shared IRQ handlers"
+        depends on DEBUG_KERNEL && GENERIC_HARDIRQS
+        help
+          Enable this to generate a spurious interrupt as soon as a shared
+          interrupt handler is registered, and just before one is deregistered.
+          Drivers ought to be able to handle interrupts coming in at those
+          points; some don't and need to be caught.
+
 config LOG_BUF_SHIFT
         int "Kernel log buffer size (16 => 64KB, 17 => 128KB)" if DEBUG_KERNEL
         range 12 21