commit d8b878a62fdb44360a708190076ef25c531c63e6
author Heinrich Schuchardt <xypron.glpk@gmx.de> Fri Jan 19 20:24:51 2018 +0100
committer Alexander Graf <agraf@suse.de> Mon Jan 22 23:09:14 2018 +0100
tree 4f2ded29eb08fdab8689f2a4dfe79f8fce462f35
parent 0976f8b913ef35d2915727d9d77b66780793f3e6

efi_loader: add check_tpl parameter to efi_signal_event

In ExitBootServices we need to signal events irrespective of the current
TPL level. A new parameter check_tpl is added to efi_signal_event().

Function efi_console_timer_notify() gets some comments.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>

lib/efi_loader/efi_boottime.c

diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 029dc09..8e5480a 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -149,13 +149,14 @@
  * For the SignalEvent service see efi_signal_event_ext.
  *
  * @event	event to signal
+ * @check_tpl	check the TPL level
  */
-void efi_signal_event(struct efi_event *event)
+void efi_signal_event(struct efi_event *event, bool check_tpl)
 {
 	if (event->notify_function) {
 		event->is_queued = true;
 		/* Check TPL */
-		if (efi_tpl >= event->notify_tpl)
+		if (check_tpl && efi_tpl >= event->notify_tpl)
 			return;
 		EFI_CALL_VOID(event->notify_function(event,
 						     event->notify_context));
@@ -565,7 +566,7 @@
 		if (!efi_events[i].type)
 			continue;
 		if (efi_events[i].is_queued)
-			efi_signal_event(&efi_events[i]);
+			efi_signal_event(&efi_events[i], true);
 		if (!(efi_events[i].type & EVT_TIMER) ||
 		    now < efi_events[i].trigger_next)
 			continue;
@@ -581,7 +582,7 @@
 			continue;
 		}
 		efi_events[i].is_signaled = true;
-		efi_signal_event(&efi_events[i]);
+		efi_signal_event(&efi_events[i], true);
 	}
 	WATCHDOG_RESET();
 }
@@ -690,7 +691,7 @@
 		if (!event[i]->type || event[i]->type & EVT_NOTIFY_SIGNAL)
 			return EFI_EXIT(EFI_INVALID_PARAMETER);
 		if (!event[i]->is_signaled)
-			efi_signal_event(event[i]);
+			efi_signal_event(event[i], true);
 	}
 
 	/* Wait for signal */
@@ -740,7 +741,7 @@
 			break;
 		event->is_signaled = true;
 		if (event->type & EVT_NOTIFY_SIGNAL)
-			efi_signal_event(event);
+			efi_signal_event(event, true);
 		break;
 	}
 	return EFI_EXIT(EFI_SUCCESS);
@@ -797,7 +798,7 @@
 		if (!event->type || event->type & EVT_NOTIFY_SIGNAL)
 			break;
 		if (!event->is_signaled)
-			efi_signal_event(event);
+			efi_signal_event(event, true);
 		if (event->is_signaled)
 			return EFI_EXIT(EFI_SUCCESS);
 		return EFI_EXIT(EFI_NOT_READY);