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(parent: ee84b62) | patch
drm/amdgpu: use spin_lock_irqsave to protect vm_manager.pasid_idr
authorPhilip Yang <Philip.Yang@amd.com>
Wed, 30 Jan 2019 20:21:16 +0000 (15:21 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 13 Mar 2019 21:02:38 +0000 (14:02 -0700)
commit25aa5c8b063ad633dd7f32406473ce86167f2eca
treea4f1b7e3bf4a87660cdb28c4636e9941b28eb92ctree | snapshot
parentee84b62fba23ebdddb81ebe3f8275ad69d5f7ed7commit | diff
drm/amdgpu: use spin_lock_irqsave to protect vm_manager.pasid_idr

[ Upstream commit 0a5f49cbf9d6ad3721c16f8a6d823363ea7a160f ]

amdgpu_vm_get_task_info is called from interrupt handler and sched timeout
workqueue, we should use irq version spin_lock to avoid deadlock.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c diff | blob | history
Domain: System / Kernel;