[PATCH] drm/amdkfd: allow unregister process with queues

[PATCH] drm/amdkfd: allow unregister process with queues

[Oded Gabbay]

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>
---
 drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index 69af73f..7b1d510 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -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);
-- 
1.9.1

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Re: [PATCH] drm/amdkfd: allow unregister process with queues

[Alex Deucher]

On Tue, May 5, 2015 at 4:39 AM, Oded Gabbay <oded.gabbay@gmail.com> wrote:
> 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>

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>


> ---
>  drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> index 69af73f..7b1d510 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> @@ -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);
> --
> 1.9.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
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