From: Joseph Greathouse Date: Wed, 17 Jul 2019 14:47:58 +0000 (-0500) Subject: drm/amdkfd: Remove GWS from process during uninit X-Git-Tag: v5.3-rc1~22^2~1^2~3 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=6a5d4877544b9014c70533200ad4a5f9d6e005c5;p=linux.git drm/amdkfd: Remove GWS from process during uninit If we shut down a process without having destroyed its GWS-using queues, it is possible that GWS BO will still be in the process BO list during the gpuvm destruction. This list should be empty at that time, so we should remove the GWS allocation at the process uninit point if it is still around. Signed-off-by: Joseph Greathouse Acked-by: Alex Deucher Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c index da0958625861..7e6c3ee82f5b 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c @@ -150,6 +150,9 @@ void pqm_uninit(struct process_queue_manager *pqm) struct process_queue_node *pqn, *next; list_for_each_entry_safe(pqn, next, &pqm->queues, process_queue_list) { + if (pqn->q && pqn->q->gws) + amdgpu_amdkfd_remove_gws_from_process(pqm->process->kgd_process_info, + pqn->q->gws); uninit_queue(pqn->q); list_del(&pqn->process_queue_list); kfree(pqn);