diff options
Diffstat (limited to 'kernel/smp.c')
| -rw-r--r-- | kernel/smp.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/smp.c b/kernel/smp.c index 80c33f8de14..487653b5844 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(); } /* |