diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_process.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_process.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index 945d6226dc51..dc910af2bb3c 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -178,6 +178,8 @@ static void kfd_process_wq_release(struct work_struct *work) kfree(pdd); } + kfd_event_free_process(p); + kfd_pasid_free(p->pasid); mutex_unlock(&p->mutex); @@ -203,8 +205,7 @@ static void kfd_process_destroy_delayed(struct rcu_head *rcu) mmdrop(p->mm); - work = (struct kfd_process_release_work *) - kmalloc(sizeof(struct kfd_process_release_work), GFP_ATOMIC); + work = kmalloc(sizeof(struct kfd_process_release_work), GFP_ATOMIC); if (work) { INIT_WORK((struct work_struct *) work, kfd_process_wq_release); @@ -289,6 +290,8 @@ static struct kfd_process *create_process(const struct task_struct *thread) INIT_LIST_HEAD(&process->per_device_data); + kfd_event_init_process(process); + err = pqm_init(&process->pqm, process); if (err != 0) goto err_process_pqm_init; @@ -431,3 +434,23 @@ bool kfd_has_process_device_data(struct kfd_process *p) { return !(list_empty(&p->per_device_data)); } + +/* This returns with process->mutex locked. */ +struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid) +{ + struct kfd_process *p; + unsigned int temp; + + int idx = srcu_read_lock(&kfd_processes_srcu); + + hash_for_each_rcu(kfd_processes_table, temp, p, kfd_processes) { + if (p->pasid == pasid) { + mutex_lock(&p->mutex); + break; + } + } + + srcu_read_unlock(&kfd_processes_srcu, idx); + + return p; +} |