ACPI: Remove deferred execution from global lock acquire wakeup path
On acquiring the ACPI global lock, if there were sleepers on the lock,
we used to use acpi_os_execute() to defer a thread which would signal
sleepers. Now just signal the semaphore directly.
http://bugzilla.kernel.org/show_bug.cgi?id=5534#c159
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c
index 6eef4ef..ee2a10b 100644
--- a/drivers/acpi/events/evmisc.c
+++ b/drivers/acpi/events/evmisc.c
@@ -342,20 +342,8 @@
if (acquired) {
/* Got the lock, now wake all threads waiting for it */
-
acpi_gbl_global_lock_acquired = TRUE;
-
- /* Run the Global Lock thread which will signal all waiting threads */
-
- status =
- acpi_os_execute(OSL_GLOBAL_LOCK_HANDLER,
- acpi_ev_global_lock_thread, context);
- if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status,
- "Could not queue Global Lock thread"));
-
- return (ACPI_INTERRUPT_NOT_HANDLED);
- }
+ acpi_ev_global_lock_thread(context);
}
return (ACPI_INTERRUPT_HANDLED);