diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_process.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_process.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index 5084794695fb..a17e2dd0f489 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -222,6 +222,13 @@ static void kfd_process_notifier_release(struct mmu_notifier *mn, mutex_unlock(&kfd_processes_mutex); synchronize_srcu(&kfd_processes_srcu); + mutex_lock(&p->mutex); + + /* In case our notifier is called before IOMMU notifier */ + pqm_uninit(&p->pqm); + + mutex_unlock(&p->mutex); + /* * Because we drop mm_count inside kfd_process_destroy_delayed * and because the mmu_notifier_unregister function also drop @@ -274,8 +281,16 @@ static struct kfd_process *create_process(const struct task_struct *thread) INIT_LIST_HEAD(&process->per_device_data); + err = pqm_init(&process->pqm, process); + if (err != 0) + goto err_process_pqm_init; + return process; +err_process_pqm_init: + hash_del_rcu(&process->kfd_processes); + synchronize_rcu(); + mmu_notifier_unregister_no_release(&process->mmu_notifier, process->mm); err_mmu_notifier: kfd_pasid_free(process->pasid); err_alloc_pasid: @@ -300,6 +315,9 @@ struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, pdd = kzalloc(sizeof(*pdd), GFP_KERNEL); if (pdd != NULL) { pdd->dev = dev; + INIT_LIST_HEAD(&pdd->qpd.queues_list); + INIT_LIST_HEAD(&pdd->qpd.priv_queue_list); + pdd->qpd.dqm = dev->dqm; list_add(&pdd->per_device_list, &p->per_device_data); } } @@ -360,6 +378,8 @@ void kfd_unbind_process_from_device(struct kfd_dev *dev, unsigned int pasid) mutex_lock(&p->mutex); + pqm_uninit(&p->pqm); + pdd = kfd_get_process_device_data(dev, p, 0); /* |