Revert "ACPICA: revert "acpi_serialize" changes"
This reverts commit a8f4af6dc6600980885c594f52eecd60edd62013.
Thus restoring ACPICA's new acpi_serialize code.
This commit by itself may cause a regression, but
it is reverted in this order so that subsequent
reverts reverts under this one can be made
without conflict.
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/events/evxface.c b/drivers/acpi/events/evxface.c
index a3379ba..685a103 100644
--- a/drivers/acpi/events/evxface.c
+++ b/drivers/acpi/events/evxface.c
@@ -768,11 +768,9 @@
return (AE_BAD_PARAMETER);
}
- status = acpi_ex_enter_interpreter();
- if (ACPI_FAILURE(status)) {
- return (status);
- }
+ /* Must lock interpreter to prevent race conditions */
+ acpi_ex_enter_interpreter();
status = acpi_ev_acquire_global_lock(timeout);
acpi_ex_exit_interpreter();