[PATCH] CHECK_IRQ_PER_CPU() to avoid dead code in __do_IRQ()

[mirror_ubuntu-bionic-kernel.git] / include / linux / irq.h

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 4a362b9ec966e30cf34e926b5085365e8a03bea4..69681c3b1f05f8fac09efb8ad5334c60b65686c0 100644 (file)
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -32,7 +32,12 @@
 #define IRQ_WAITING    32      /* IRQ not yet seen - for autodetection */
 #define IRQ_LEVEL      64      /* IRQ level triggered */
 #define IRQ_MASKED     128     /* IRQ masked - shouldn't be seen again */
-#define IRQ_PER_CPU    256     /* IRQ is per CPU */
+#if defined(ARCH_HAS_IRQ_PER_CPU)
+# define IRQ_PER_CPU   256     /* IRQ is per CPU */
+# define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU)
+#else
+# define CHECK_IRQ_PER_CPU(var) 0
+#endif
 
 /*
  * Interrupt controller descriptor. This is all we need