Commit 27cd39af authored by Tal Cohen's avatar Tal Cohen Committed by Oded Gabbay
Browse files

habanalabs: verify no zero event is sent 



The event notifier mechanism should not raise an empty
event (event equals zero).

Signed-off-by: default avatarTal Cohen <talcohen@habana.ai>
Reviewed-by: default avatarOded Gabbay <ogabbay@kernel.org>
Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent 4f11694f

drivers/misc/habanalabs/common/device.c

+5 −0
Original line number Diff line number Diff line
@@ -1746,6 +1746,11 @@ void hl_notifier_event_send_all(struct hl_device *hdev, u64 event_mask) 
{

	struct hl_fpriv	*hpriv;



	if (!event_mask) {

		dev_warn(hdev->dev, "Skip sending zero event");

		return;

	}



	mutex_lock(&hdev->fpriv_list_lock);



	list_for_each_entry(hpriv, &hdev->fpriv_list, dev_node)

drivers/misc/habanalabs/gaudi/gaudi.c

+3 −1
Original line number Diff line number Diff line
@@ -7945,7 +7945,9 @@ static void gaudi_handle_eqe(struct hl_device *hdev, struct hl_eq_entry *eq_entr 
	/* despite reset doesn't execute. a notification on

	 * occurred event needs to be sent here

	 */

	if (event_mask)

		hl_notifier_event_send_all(hdev, event_mask);



	if (reset_required)

		hl_device_reset(hdev, flags);

	else