| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.0 42/60] drm/amdkfd: allow unregister process with queues | Date | Fri, 15 May 2015 16:14:43 -0700 |
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4.0-stable review patch. If anyone has any objections, please let me know.
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From: Oded Gabbay <oded.gabbay@gmail.com>
commit 1e5ec956a057585adaa1365615c82810b2f5356f upstream.
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -429,9 +429,10 @@ static int unregister_process_nocpsch(st 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);
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