drm/amdgpu: fix issue with overlapping userptrs

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commit cc1de6e800 upstream.

Otherwise we could try to evict overlapping userptr BOs in get_user_pages(),
leading to a possible circular locking dependency.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Christian König 2016-02-08 10:57:22 +01:00 • committed by Greg Kroah-Hartman

parent 7a42e7cd29

commit 4d6bc4fa32

3 changed files with 23 additions and 1 deletions

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2

drivers/gpu/drm/amd/amdgpu/amdgpu.h

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3

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

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19

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

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