Merge branch 'cpus4096' into irq/threaded

[safe/jmp/linux-2.6] / kernel / irq / autoprobe.c

diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index cc0f732..1de9700 100644 (file)
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -10,6 +10,7 @@
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
+#include <linux/async.h>
 
 #include "internals.h"
 
@@ -34,6 +35,10 @@ unsigned long probe_irq_on(void)
        unsigned int status;
        int i;
 
+       /*
+        * quiesce the kernel, or at least the asynchronous portion
+        */
+       async_synchronize_full();
        mutex_lock(&probing_active);
        /*
         * something may have generated an irq long ago and we want to