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c8cc14eeb2
[ Upstream commit 1b9366c601039d60546794c63fbb83ce8e53b978 ] If waiting for gpu reset done in KFD release_work, thers is WARNING: possible circular locking dependency detected #2 kfd_create_process kfd_process_mutex flush kfd release work #1 kfd release work wait for amdgpu reset work #0 amdgpu_device_gpu_reset kgd2kfd_pre_reset kfd_process_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock((work_completion)(&p->release_work)); lock((wq_completion)kfd_process_wq); lock((work_completion)(&p->release_work)); lock((wq_completion)amdgpu-reset-dev); To fix this, KFD create process move flush release work outside kfd_process_mutex. Signed-off-by: Philip Yang <Philip.Yang@amd.com> Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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| .. | ||
| cik_event_interrupt.c | ||
| cik_int.h | ||
| cik_regs.h | ||
| cwsr_trap_handler_gfx8.asm | ||
| cwsr_trap_handler_gfx9.asm | ||
| cwsr_trap_handler_gfx10.asm | ||
| cwsr_trap_handler.h | ||
| Kconfig | ||
| kfd_chardev.c | ||
| kfd_crat.c | ||
| kfd_crat.h | ||
| kfd_debugfs.c | ||
| kfd_device_queue_manager_cik.c | ||
| kfd_device_queue_manager_v9.c | ||
| kfd_device_queue_manager_v10.c | ||
| kfd_device_queue_manager_v11.c | ||
| kfd_device_queue_manager_vi.c | ||
| kfd_device_queue_manager.c | ||
| kfd_device_queue_manager.h | ||
| kfd_device.c | ||
| kfd_doorbell.c | ||
| kfd_events.c | ||
| kfd_events.h | ||
| kfd_flat_memory.c | ||
| kfd_int_process_v9.c | ||
| kfd_int_process_v11.c | ||
| kfd_interrupt.c | ||
| kfd_iommu.c | ||
| kfd_iommu.h | ||
| kfd_kernel_queue.c | ||
| kfd_kernel_queue.h | ||
| kfd_migrate.c | ||
| kfd_migrate.h | ||
| kfd_module.c | ||
| kfd_mqd_manager_cik.c | ||
| kfd_mqd_manager_v9.c | ||
| kfd_mqd_manager_v10.c | ||
| kfd_mqd_manager_v11.c | ||
| kfd_mqd_manager_vi.c | ||
| kfd_mqd_manager.c | ||
| kfd_mqd_manager.h | ||
| kfd_packet_manager_v9.c | ||
| kfd_packet_manager_vi.c | ||
| kfd_packet_manager.c | ||
| kfd_pasid.c | ||
| kfd_pm4_headers_ai.h | ||
| kfd_pm4_headers_aldebaran.h | ||
| kfd_pm4_headers_diq.h | ||
| kfd_pm4_headers_vi.h | ||
| kfd_pm4_headers.h | ||
| kfd_pm4_opcodes.h | ||
| kfd_priv.h | ||
| kfd_process_queue_manager.c | ||
| kfd_process.c | ||
| kfd_queue.c | ||
| kfd_smi_events.c | ||
| kfd_smi_events.h | ||
| kfd_svm.c | ||
| kfd_svm.h | ||
| kfd_topology.c | ||
| kfd_topology.h | ||
| Makefile | ||
| soc15_int.h | ||