diff options
| author | Ralph Campbell <rcampbell@nvidia.com> | 2020-03-03 16:13:39 -0800 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2020-05-22 11:13:49 +1000 |
| commit | e3d8b08904694e9ccae5163d0bb7d35fa66e5bdc (patch) | |
| tree | 8f7d8263200f78977c57bd1bf3f32c1123bfc6ca /drivers/gpu/drm/arc | |
| parent | 9c1c08a68dcdea3a933948b4e7927bdbc56aac4c (diff) | |
drm/nouveau/svm: map pages after migration
When memory is migrated to the GPU, it is likely to be accessed by GPU
code soon afterwards. Instead of waiting for a GPU fault, map the
migrated memory into the GPU page tables with the same access permissions
as the source CPU page table entries. This preserves copy on write
semantics.
Signed-off-by: Ralph Campbell <rcampbell@nvidia.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jason Gunthorpe <jgg@mellanox.com>
Cc: "Jérôme Glisse" <jglisse@redhat.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/arc')
0 files changed, 0 insertions, 0 deletions