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-rw-r--r--kernel/irq/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig
index 1f2dece9ad4c..cf1a4a68ce44 100644
--- a/kernel/irq/Kconfig
+++ b/kernel/irq/Kconfig
@@ -56,6 +56,16 @@ config GENERIC_IRQ_CHIP
config IRQ_DOMAIN
bool
+config IRQ_DOMAIN_DEBUG
+ bool "Expose hardware/virtual IRQ mapping via debugfs"
+ depends on IRQ_DOMAIN && DEBUG_FS
+ help
+ This option will show the mapping relationship between hardware irq
+ numbers and Linux irq numbers. The mapping is exposed via debugfs
+ in the file "virq_mapping".
+
+ If you don't know what this means you don't need it.
+
# Support forced irq threading
config IRQ_FORCED_THREADING
bool