Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ad16a469 authored by Edward O'Callaghan's avatar Edward O'Callaghan Committed by Oded Gabbay
Browse files

drm/amdkfd: Reuse function to find a process through pasid 



The kfd_lookup_process_by_pasid() is just for that purpose,
so use it instead of repeating the code.

v2: return on the condition (p == NULL) instead of BUG_ON(!p).

Signed-off-by: default avatarEdward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: default avatarOded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: default avatarOded Gabbay <oded.gabbay@gmail.com>
parent 78b13f79

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

+25 −36
Original line number Diff line number Diff line
@@ -404,26 +404,20 @@ void kfd_unbind_process_from_device(struct kfd_dev *dev, unsigned int pasid) 
{

	struct kfd_process *p;

	struct kfd_process_device *pdd;

	int idx, i;



	BUG_ON(dev == NULL);



	idx = srcu_read_lock(&kfd_processes_srcu);



	/*

	 * Look for the process that matches the pasid. If there is no such

	 * process, we either released it in amdkfd's own notifier, or there

	 * is a bug. Unfortunately, there is no way to tell...

	 */

	hash_for_each_rcu(kfd_processes_table, i, p, kfd_processes)

		if (p->pasid == pasid) {



			srcu_read_unlock(&kfd_processes_srcu, idx);

	p = kfd_lookup_process_by_pasid(pasid);

	if (!p)

		return;



	pr_debug("Unbinding process %d from IOMMU\n", pasid);



			mutex_lock(&p->mutex);



	if ((dev->dbgmgr) && (dev->dbgmgr->pasid == p->pasid))

		kfd_dbgmgr_destroy(dev->dbgmgr);
@@ -451,11 +445,6 @@ void kfd_unbind_process_from_device(struct kfd_dev *dev, unsigned int pasid) 
	pdd->bound = false;



	mutex_unlock(&p->mutex);



			return;

		}



	srcu_read_unlock(&kfd_processes_srcu, idx);

}



struct kfd_process_device *kfd_get_first_process_device_data(struct kfd_process *p)