diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/osl.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 217713c11aaa..f9eeae871593 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -1188,6 +1188,12 @@ EXPORT_SYMBOL(acpi_os_execute); void acpi_os_wait_events_complete(void) { + /* + * Make sure the GPE handler or the fixed event handler is not used + * on another CPU after removal. + */ + if (acpi_irq_handler) + synchronize_hardirq(acpi_gbl_FADT.sci_interrupt); flush_workqueue(kacpid_wq); flush_workqueue(kacpi_notify_wq); } |