amdgpu: remove -EAGAIN handling for hmm_range_fault

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hmm_range_fault can only return -EAGAIN if called with the
HMM_FAULT_ALLOW_RETRY flag, which amdgpu never does.  Remove the handling
for the -EAGAIN case with its non-standard locking scheme.

Link: https://lore.kernel.org/r/20190806160554.14046-2-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

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Christoph Hellwig 2019-08-06 19:05:39 +03:00 • committed by Jason Gunthorpe

parent cc374377a1

commit 9d0a16658f

1 changed files with 3 additions and 20 deletions

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

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