diff options
| author | Shane Francis <[email protected]> | 2020-03-25 09:07:40 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2020-03-25 12:10:40 -0400 |
| commit | 0199172f933342d8b1011aae2054a695c25726f4 (patch) | |
| tree | 1574f9a173adbd5530aa4d29dd16e41099fa21bb /scripts/bpf_helpers_doc.py | |
| parent | 42e67b479eab6d26459b80b4867298232b0435e7 (diff) | |
drm/amdgpu: fix scatter-gather mapping with user pages
Calls to dma_map_sg may return less segments / entries than requested
if they fall on page bounderies. The old implementation did not
support this use case.
Fixes: be62dbf554c5 ("iommu/amd: Convert AMD iommu driver to the dma-iommu api")
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=206461
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=206895
Bug: https://gitlab.freedesktop.org/drm/amd/issues/1056
Signed-off-by: Shane Francis <[email protected]>
Reviewed-by: Michael J. Ruhl <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Cc: [email protected]
Diffstat (limited to 'scripts/bpf_helpers_doc.py')
0 files changed, 0 insertions, 0 deletions