Commit 1e5ec956 authored Apr 14, 2015 by Oded Gabbay

drm/amdkfd: allow unregister process with queues



Sometimes we might unregister process that have queues, because we couldn't
preempt the queues. Until now we blocked it with BUG_ON but instead just
print it as debug.

Reviewed-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

parent 5ebe6afa

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -430,9 +430,10 @@ static int unregister_process_nocpsch(struct device_queue_manager *dqm,

		BUG_ON(!dqm \|\| !qpd);

		BUG_ON(!list_empty(&qpd->queues_list));
		pr_debug("In func %s\n", __func__);

		pr_debug("kfd: In func %s\n", __func__);
		pr_debug("qpd->queues_list is %s\n",
		list_empty(&qpd->queues_list) ? "empty" : "not empty");

		retval = 0;
		mutex_lock(&dqm->lock);