drm/amdgpu: reserve root PD while releasing it

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commit 2642cf110d upstream.

Otherwise somebody could try to evict it at the same time and try to use
half torn down structures.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-and-Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Christian König 2017-10-13 17:24:31 +02:00 • committed by Greg Kroah-Hartman

parent 509536b227

commit 99b0ea0391

1 changed files with 11 additions and 2 deletions

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drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

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