ACPICA: revert "acpi_serialize" changes
This reverts 977a6226feae3e2c10a4d8227625ff0f04b49239
and reverts 1ba753acb372c2955a4843302e92e49ce82e2fea
and updates acpi_ev_queue_notify_request()
to restore the previous implementation of the
"acpi_serialize" workaround.
http://bugzilla.kernel.org/show_bug.cgi?id=8171
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/events/evxface.c b/drivers/acpi/events/evxface.c
index 685a103..a3379ba 100644
--- a/drivers/acpi/events/evxface.c
+++ b/drivers/acpi/events/evxface.c
@@ -768,9 +768,11 @@
return (AE_BAD_PARAMETER);
}
- /* Must lock interpreter to prevent race conditions */
+ status = acpi_ex_enter_interpreter();
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
- acpi_ex_enter_interpreter();
status = acpi_ev_acquire_global_lock(timeout);
acpi_ex_exit_interpreter();