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-rw-r--r--kernel/smp.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/smp.c b/kernel/smp.c
index 80c33f8de14f..487653b5844f 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -3,6 +3,7 @@
*
* (C) Jens Axboe <jens.axboe@oracle.com> 2008
*/
+#include <linux/irq_work.h>
#include <linux/rcupdate.h>
#include <linux/rculist.h>
#include <linux/kernel.h>
@@ -251,6 +252,14 @@ static void flush_smp_call_function_queue(bool warn_cpu_offline)
csd->func(csd->info);
csd_unlock(csd);
}
+
+ /*
+ * Handle irq works queued remotely by irq_work_queue_on().
+ * Smp functions above are typically synchronous so they
+ * better run first since some other CPUs may be busy waiting
+ * for them.
+ */
+ irq_work_run();
}
/*